Valentin Simeonov Collaborateur scientifique- EPFL ENAC EFLUM List of publications Refereed 1. V. Mitev, V. Simeonov, and I. Grigorov, "Model experiment in measuring the temperature and concentration of water vapours in air by spontaneous Raman scattering", Bulg. J. Phys. 9, No 5, pp. 549-558, (1982) 2. V. Mitev, V. Simeonov, and I. Grigorov, ”Atmospheric gases temperature measurements by pure rotational Raman scattering”, Russian Journal of Applied Spectroscopy, 39, pp. 338-340, (1983), (in Russian) 3. V. Naboco, V. Mitev, L. Gardev, V. Simeonov, and I. Grigorov, ” Survey of the dynamical range and response time of a photomultiplier in a counting mode”, Technical review XXII, No.3, pp. 43-47, (1985) ,(in Bulgarian) 4. I. Grigorov, V. Simeonov, P. Tomov, V. Mitev, J. Paneva, P. Georgiev, ”Lidar experiments for determination of atmospheric extinction profiles in clear atmosphere and in stratified clouds”, Bulg. J. Phys. 15, No 2, pp. 173-181, (1988), (in Russian) 5. V. Mitev, I. Grigorov, V. Simeonov, P. Tomov, and P. Georgiev, ”Raman lidar for atmospheric measurements”, Atmospheric optics, 1 No.3 pp. 122-124, (1988), (in Russian) 6. V. Mitev, I. Grigorov, V. Simeonov, Yu. Arshinov, S. Bobrovnikov, "Raman lidar measurements of the atmospheric extinction coefficient profile", Bulg. J. Phys., 17, No 1, pp. 67-74 , (1990) 7. V. Mitev, I. Grigorov, V. Simeonov, "Lidar measurements of atmospheric aerosol extinction profiles: a comparison between two techniques - Klett inversion and pure rotational Raman scattering method", Appl.Opt., 31, No.30, pp. 6469-6474, (1992) 8. I. Kolev, O. Parvanov, B. Kaprielov, V. Mitev, V. Simeonov, I. Grigorov, "Lidar observation of aerosol and temperature stratification over urban area during the formation of a stable atmospheric PBL", Comptes rendus de l'Academie Bulgare des Sciences, 46, No. 5, pp. 71 - 74, (1993) 9. V. Mitev, V. Simeonov, I. Grigorov, Y. Paneva, P. Georgiev, "Atmospheric temperature profiles measured by rotational Raman lidar and radiosondes: results from intercomparison experiments", Bulg. J. Phys., 20, No 12, pp. 76-86, (1993) 10. L. de Schoulepnikoff, V. Mitev, V. Simeonov, B. Calpini and H. van den Bergh, “Experimental Investigation of high-power single-pass Raman shifters in the ultraviolet with Nd:YAG and KrF lasers,” Appl. Opt. 36, 5026-5043, (1997) 11. B. Calpini, V. Simeonov, F. Jeanneret, J. Kuebler, V. Sathya, and H. van den Bergh "Ozone LIDAR as an Analytical Tool in Effective Air Pollution Management: The Geneva 96 Campaign", Chimia, 51, pp. 700-704, (1997) 12. V. Simeonov, V. Mitev, H. van den Bergh, and B. Calpini, "Raman frequency shifting in CH4:H2:Ar mixture pumped by the fourth harmonic of Nd:YAG laser", Appl.Opt. 37, pp. 7112-7115, (1998) 13. V. Simeonov, G. Larcheveque, P. Quaglia, H. van den Bergh, and B. Calpini, "Influence of the PMT spatial uniformity on lidar signal", Appl. Opt, 38, pp. 5186-5190, (1999) 14. B. Lazzarotto, V. Simeonov, P. Quaglia G. Larchevêque, H. van den Bergh, and B. Calpini, "A Raman Differential Absorption Lidar for Ozone and Water Vapor Measurement in the Lower Troposphere," Int. J. Env. Anal. Chem., 74, 255-261, (1999) 15. P. Quaglia, G. Larcheveque, R. Jimenez, V. Simeonov, G. Ancellet, H. van den Bergh, and B. Calpini, "Planetary Boundary Layer ozone fluxes from combined airborne, ground based lidars and wind profiler measurements," Eur. J. Anal. Chem., Analysis, 27, 305-313, (1999) 16. I. Kolev, P. Savov, B. Kaprielov, O. Parvanov and V. Simeonov, “Lidar observation of the nocturnal boundary layer formation over Sofia, Bulgaria”, Atmospheric Environment, 34, Issue 19, pp. 3223-3235, (2000) 17. B. Lazzarotto, M. Froud, G. Larchevêque, V. Mitev, P. Quaglia, V. Simeonov, A. Thompson, H. van den Bergh, and B. Calpini, “Ozone and water-vapor measurements by Raman lidar in the planetary boundary layer: error sources and field measurements”, Appl. Opt. 40, pp. 2985-2997, (2001) 18. K. Kourtidis, C. Zerefos, S. Rapsomanikis, V. Simeonov, D. Balis, E. Kosmidis, P. E. Perros, D. Melas, A. Thompson, J. Witte, B. Calpini, B. Rappenglueck, I. Isaksen, W. M. Sharobiem, A. Papayannis, P. Fabian, N. Mihalopoulos, H. Gimm, and R. Drakou, “Regional levels of ozone in the troposphere over Eastern Mediterranean”, J. Geoph. Res.- Atmosphere. 107, NO. D18, 8140, doi:10.1029/2000JD000140, 2002 19. B. Calpini, , G. Larchevêque, and V. Simeonov, (2001). “Study of vertical fluxes of aerosols in the lower atmosphere by LIDAR measurements: characterization of the PBL development during the WINTEX experiment.” Theoretical and applied Climatology 70 (1-4): Electronic Supplementary Material: Documented datasets 20. I. Balin, G. Larchevêque, P. Quaglia, V. Simeonov, H. van den Bergh, and B. Calpini, “Water vapor vertical profile by Raman lidar in the free troposphere from the Jungfraujoch Alpine Station”, In: Beniston, M. (ed), Climatic Change: Implications for the Hydrological Cycle and for Water Management. Advances in Global Change Research, 10. Kluwer Academic Publishers, Dordrecht and Boston, , pp. 123-138,(2002) 21. G. Larchevêque, I. Balin, R. Nessler, P. Quaglia, V. Simeonov, H. van den Bergh, and B. Calpini, “Development of a multiwavelength aerosol and water vapor lidar at the Jungfraujoch Alpine Station (3580m ASL) in Switzerland”, Appl. Opt., 41, pp. 2781-2790, (2002) 22. O. Coach, F. Kirchner, R. Jimenez, I. Balin, P. Quaglia, S. Perego, F. Kirchner, P. Ristori, V. Simeonov, P. Quaglia, V. Vestri, A. Clappier, B. Calpini and H. van den Bergh, “Study of a photochemical episode over the Grenoble area using a mesoscale model and intensive measurements” , Pollution Atmosphérique, No 174, pp. 277-295 , (2002) (in French) 23. O. Couach, I. Balin, R. Jimenez, P. Ristori, S. Perego, F. Kirchner, V. Simeonov, B. Calpini, and H. van den Bergh, “An investigation of ozone and planetary boundary layer dynamics over the complex topography of Grenoble combining measurements and modelling”, Atmos. Chem. Phys., 3, pp. 549-562, (2003) 24. R Jimenez, M. Taslakov, V. Simeonov, B. Calpini, F. Jeanneret, D. Hofstetter, M. Beck, J. Faist, and H.van den Bergh, Ozone detection by differential absorption spectroscopy at ambient pressure with a 9.6 µm pulsed quantum-cascade laser, Appl. Phys. B, 78, pp. 249-256, (2003) 25. D. Gerber, I. Balin, D. Feist, N. Kaempfer, V. Simeonov, B. Calpini, and H. van den Bergh, “Ground-based water vapour soundings by microwave radiometry and Raman lidar on Jungfraujoch (Swiss Alps)”, Atmos. Chem. Phys., 4, pp. 2171–2179, (2004) 26. I. Balin, I. Serikov, S. Bobrovnikov, V. Simeonov , B. Calpini, Y. Arshinov , and H. Van den Bergh, “Simultaneous measurement of atmospheric temperature, humidity, and aerosol extinction and backscatter coefficients by a combined vibrational - pure-rotational Raman lidar”, Appl. Physics B, 79, pp. 775-782, (2004) 27. M. Taslakov, V. Simeonov, and H. van den Bergh, “Quantum cascade laser based system for line-of-sight data transmission in the mid IR”, “Laser, physics and applications”, SPIE vol. 5830, pp. 541-545, (2004) 28. M. Taslakov, V. Simeonov, and H. van den Bergh, ”Open path trace gas measurements using pulsed quantum cascade laser”, “Laser, physics and applications”, SPIE vol. 5830, pp. 347-351, (2004) 29. Matthias V., J. Bösenberg, V. Freudenthaler, A. Amodeo, D. Balis, A. Chaikovsky, G. Chourdakis, A. Comeron, A. Delaval, F. de Tomasi, R. Eixmann, A. Hågård, L. Komguem, S. Kreipl, R. Matthey, I. Mattis, V. Rizi, J.A. Rodriguez, V. Simeonov, X. Wang, “Aerosol lidar intercomparison in the framework of the EARLINET project. 1. Instruments”, Appl. Opt. 43, N. 4, 961-976, (2004) 30. M. Taslakov, V. Simeonov, and H. van den Bergh, “Open-path ozone detection by Quantum Cascade Laser”, Appl. Physics B, 82, 501-506, (2006) 31. M. Taslakov, V. Simeonov, and H.van den Bergh, “Open path atmospheric spectroscopy using room temperature operated pulsed quantum cascade laser”, Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy 63 (5), pp. 1002-1008, (2006) 32. A. Amodeo, J. Bösenberg, A. Ansmann, D. Balis, C. Böckmann, A. Chaikovsky, A. Comeron, V. Mitev, A. Papayannis, G. Pappalardo, M. R. Perrone, V. Rizi, V. Simeonov, P. Sobolewski, N. Spinelli, D. V. Stoyanov, T. Trickl, M. Wiegner , “EARLINET: the European Aerosol Lidar Network” - Optica Pura y Aplicada, of the Optical Spanish Society, 39, pp. N. 1-10, (2006) 33. M. Taslakov, V. Simeonov, H. Van Den Bergh, “Multipurpose terahertz quantum cascade laser based system for industrial, environmental and meteorological applications”, Journal of Physics: Conference Series, 113 (1), 012055, (2008) 34. M. Froidevaux, I. Serikov, S. Burgos, P. Ristori, V. Simeonov, H. Van den Bergh, and M. B. Parlange, “A new lidar for water vapor and temperature measurements in the Atmospheric Boundary Layer”, Asia Flux Newsletter Issue No.28, pp. 13-17, (2009) 35. M. Froidevaux, C. W. Higgins, V. Simeonov, P. Ristori, E. Pardyjak, I. Serikov, R. Calhoun, H. van den Bergh, M. B. Parlange, “A Raman lidar to measure water vapor in the atmospheric boundary layer”, Advances in Water Resources, 51, pp.345-356, (2013) 36. C. Higgins, M. Froidevaux, V. Simeonov, N. Vercauteren, C. Barry, and M. B. Parlange, “The Effect of Scale on the Applicability of Taylor’s Frozen Turbulence Hypothesis in the Atmospheric Boundary Layer”, Boundary-Layer Meteorol., 143 pp. 379–391, DOI 10.1007/s10546-012-9701-1, (2012) 37. C. Higgins, E. Pardyjak, M. Froidevaux, V. Simeonov, and M. B. Parlange, “Measured and Estimated Water Vapor Advection in the Atmospheric Surface Layer”, J. Hydrometeor, 14 (6), pp. 1966-1972. (2013) 38. T. Dinoev, V. Simeonov, Y. Archinov, S. Bobrovnikov, P. Ristori, B. Calpini, M. Parlange, H. Van den Bergh, “Raman Lidar for Meteorological Observations, RALMO – Part I: Instrument description”, Atmosph. Meas. Techn., 6, pp.1329–1346, (2013) 39. E. Brocard, R. Philipona, A. Haefele, G. Romanens, D. Ruffieux, V. Simeonov, and B. Calpini, “ Raman Lidar for Meteorological Observations, RALMO – Part 2: Validation of water vapour measurements”, Atmosph. Meas. Techn. , 6, pp. 1347–1358, (2013) 40. M. Calaf, H. J. Oldroyd, V. Simeonov, and M. B. Parlange, “Coherent Structures and the k−1 spectral behavior”, Physics of Fluids, 25, pp.125107-1-125107-14, (2013) 41. C.W.Higgins, ,G.G.Katul, ,M.Froidevaux, ,V. Simeonov, M.BParlange, “Are atmospheric surface layer flows ergodic?”, Geoph. Res. Lett., 40 (12), pp. 3342-3346, (2013) 42. G. Pappalardo, L. Mona1, G. D’Amico, U. Wandinger, M. Adam, A. Amodeo, A. Ansmann, A. Apituley, L. Alados Arboledas, D. Balis, A. Boselli, J. A. Bravo-Aranda, A. Chaikovsky, A. Comeron, J. Cuesta, F. De Tomasi, V. Freudenthaler, M. Gausa, E. Giannakaki,14, H. Giehl, A. Giunta, I. Grigorov, S. Groß, M. Haeffelin, A. Hiebsch, M. Iarlori, D. Lange, H. Linn´e, F. Madonna, I. Mattis, R.-E. Mamouri, M. A. P. McAuliffe, V. Mitev, F. Molero, F. Navas-Guzman, D. Nicolae, A. Papayannis, M. R. Perrone, C. Pietras, A. Pietruczuk, G. Pisani, J. Preißler, M. Pujadas, V. Rizi, A. A. Ruth, J. Schmidt, F. Schnell, P. Seifert, I. Serikov, M. Sicard, V. Simeonov, N. Spinelli, K. Stebel, M. Tesche, T. Trickl, X.Wang, F. Wagner, M. Wiegner, and K. M.Wilson, Four-dimensional distribution of the 2010 Eyjafjallajökull volcanic cloud over Europe observed by EARLINET, Atm. Chem. and Physics 13 (8), pp. 4429-4450, (2013) Book chapters 1. B. Calpini, V. Simeonov, “Trace gas species detection in the lower atmosphere by lidar from remote sensing of atmospheric pollutants to possible air pollution abatement strategies”, Chapter 4 in “Laser Remote Sensing” Optical Engineering series Volume: 97, T. Fuji and T. Fukuchi eds., Taylor and Francis/CRC Press, 2005 Conferences full text 1. V. Mitev, V. Simeonov, and I. Grigorov, Spatial properties of the radiation of a copper-vapor laser with unstable resonator”, I-st National conference ”Optics-82”, Panagiuriste –Bulgaria Mai 1982, proceedings, pp. 37-41, (in Bulgarian) 2. V. Mitev, V. Simeonov, I. Grigorov, "Temperature dependence measurement in pure rotational Raman spectra", VIII-th International Conference on Raman Spectroscopy, Bordeaux -France, Sept. 1982, proceedings, pp .291-293 3. V. Mitev, V. Simeonov, I. Grigorov, "Rotational Raman scattering spectra in nitrogen and oxygen and application in lidar measurement of the atmospheric temperature", X-th National Conference on Molecular Spectroscopy with International Participation, "Recent Developments of Molecular Spectroscopy", Blagoevgrad, Bulgaria., 1988, proceedings, pp. 639-653 4. V. Mitev, I. Grigorov, V. Simeonov, P. Tomov, P. Georgiev, "Raman Lidar and Temperature Measurements in the Boundary Layer", 14th International Laser Radar Conference, San-Candido, Italy, June 1988, proceedings, pp. 157-158 5. V. Mitev, I. Grigorov, V. Simeonov, "A comparison between Raman lidar and conventional contact measurements of atmospheric temperature", NASA Conference Publication 3158, 16th International Laser Radar Conference MIT, Cambridge, USA, July 20-24, 1992, NASA 3158, pp. 217-220 6. I. Kolev, O. Parvanov, B. Kaprielov, V. Mitev, V. Simeonov, I. Grigorov, “Lidar observation of aerosol and temperature stratification over urban area during the formation of a stable atmospheric PBL”, NASA Conference Publication 3158, 16th International Laser Radar Conference MIT, Cambridge, USA, July 20-24, 1992, NASA 3158, pp. 213-216 7. L. Schoulepnikoff, , V. Simeonov, H. van den Bergh, B. Calpini, D. Jeker, and V. Mitev, “Characterization of Raman cell-based transmitters for UV DIAL applications,” in “Advances in atmospheric remote sensing with Lidar”, Selected papers of the 18th International Laser Radar Conference Berlin, 22-26 July 1996, proceedings, pp. 387-390 8. L. Schoulepnikoff, H. van den Bergh, P. Bielmann, B. Calpini V. Simeonov, and V. Mitev, “Numerical optimization of multiwavelength UV DIAL for pollution modelling”, EUROTRAC symposium 1996, Garmisch-Partenkirchen, Germany , Computational Mechanics Publications, pp. 733-738 9. V. Simeonov, F. Jeanneret, P. Quaglia, H. van den Bergh and B. Calpini, “The EPFL UV ozone DIAL: results and upgrading”, 19th International Laser Radar Conference, July 1998, Annapolis- USA , proceedings pp. 399-402 10. B. Lazzarotto, V. Simeonov, P. Quaglia, G. Larcheveque, H. van den Bergh, B. Calpini, M. Friod, and V. Mitev “Retrieval of ozone and water vapor in the lower troposphere by Raman lidar”, 19th International Laser Radar Conference, July 1998 Annapolis-USA , proceedings pp. 433-435 11. G. Larcheveque, V. Simeonov, H. van den Bergh, and B. Calpini, “Is the PBL height well determined by aerosol lidar in very clean boreal conditions?”, 19th International Laser Radar Conference. July 1998 Annapolis- USA , proceedings pp. 441-443 12. G. Larchevêque, , V. Simeonov, H. van den Bergh, , and B. Calpini,. “Determination of the PBL height by LIDAR in boreal condition.” Proceedings of the 23th EGS, 1998 13. B. Lazzarotto, V. Simeonov, P. Quaglia, G. Larcheveque, H. van den Bergh, and B. Calpini, “ A Raman Differential Absorption Lidar for Ozone and Water Vapor Measurement in the Lower Troposphere” , proceedings of the 28th ISEAC - Geneva, 1998 14. B. Calpini, A. Clapier, R. Jimenez, G. Larcheveque, B. Lazzarotto, A. Martilli, F. Pasi , P. Quaglia, V. Simeonov, and H. van den Bergh, “Photo-oxidation formation in the Milan metropolitan area”, in the Proceedings of EUROTRAC Symposium 98, editors P.M.Borell and P.Borell, WITPRESS Southampton , pp. 875-880, (1999) 15. B. Lazzarotto, G. Larcheveque, P. Quaglia, V. Simeonov, H. van den Bergh, and B. Calpini, “Raman DIAL measurement of ozone and water vapor in the lower troposphere, in “Environmental Sensing and Applications”, SPIE proc. Series, V. 3821, pp. 54-61, 1999 16. V. Simeonov , B. Lazzarotto, G. Larcheveque, P. Quaglia, and B. Calpini, "UV ozone DIAL based on a Raman cell filled with two Raman active gases" in “Environmental sensing and applications”, SPIE proc. Series V.3821, pp. 46-53, 1999 17. P. Quaglia, O. Couach, J. Balin, V. Simeonov, B. Lazzarotto, H. van den Bergh, and B. Calpini, “Air pollution measurements during the Grenoble 1999 campaign”, 20th International Laser Radar Conference July 10-14, 2000 Vichy-France , proceedings, pp.435-438 18. I. Balin, G. Larchevêque, R. Nessler, V. Simeonov, P. Quaglia , H. Van den Bergh and B. Calpini, “Retriveal of the water vapor content in the free troposphere by a Raman lidat technique : implementation, measurements, first results and present limitations”, National Physics Conference: section Optics & Quantum Electronics, IASI-Romania, page 237, 2001 19. V. Simeonov, B. Calpini, and H. van den Bergh, “Lidar measurements at Jungfraujoch in the Frame of EARLINET Project”, Workshop on “Atmospheric Research at the Jungfraujoch and in the Alps” Davos, Switzerland, 20 September 2002 within the 182-nd SAS Annual Meeting, pp. 13-14 20. V. Simeonov, B. Calpini, and H. van den Bergh, “New Raman-shifted sources for ozone DIAL applications “, in Lidar remote sensing in atmospheric and Earth Sciences , 21stInternationalLaserRadar Conference-Quebec Canada, 8-12 July 2002, pp. 19-22 21. V. Simeonov, B. Calpini, I. Balin, P. Ristori, R. Jimenez, and H. van den Bergh, “ UV ozone DIAL based on a N2 Raman converter, design and results during ESCOPMTE field campaign”, in Lidar remote sensing in atmospheric and Earth Sciences , 21stInternationalLaserRadar Conference-Quebec Canada, 8-12 July 2002, pp. 403-406 22. B. Calpini , I. Balin, O. Couach, R. Jimenez, P. Ristori*, P. Quaglia, H. van den Bergh. and V. Simeonov, “Air pollution study over Grenoble-France in summer 1999: lidar measurements and model predictions”, in Lidar remote sensing in atmospheric and Earth Sciences , 21stInternationalLaserRadar Conference-Quebec Canada, 8-12 July 2002, pp. 169-172 23. Balin I., G. Larchvêque, R. Nessler, P Quaglia, V. Simeonov, H. van den Bergh, and B. Calpini, “Monitoring of water vapor, aerosols and clouds/contrails in the free troposphere by lidar from Jungfraujoch station (3580 m ASL), in Lidar remote sensing in atmospheric and Earth Sciences , 21stInternationalLaserRadar Conference-Quebec Canada, 8-12 July 2002, pp. 685-688 24. A. Papayannis, D. Balis, A. Chaikovsky, A. Comeron, R. Eixmann, A.Hägärd, M. Iarlori, L. Komguem, I. Mattis, V. Mitev, M. Pandolfi, J.A. Rodrigues, L. Sauvage, V. Simeonov, P. Sobolewski, N. Spinelli, F. De Tomasi, T. Trickl, G. Tsaknakis and M. Wiegner, “Two years of continuous observations of Saharan dust events over the European continent using a coordinated LIDAR Network in the frame of the EARLINET Project”, 21stInternationalLaserRadar Conference-Quebec Canada, 8-12 July 2002,pp. 309-312 25. I. Balin, G. Larchvêque, R. Nessler, P Quaglia, V. Simeonov, H. van den Bergh, and B. Calpini, “Monitoring of water vapor, aerosols and clouds/contrails in the free troposphere by lidar from Jungfraujoch station (3580 m ASL), 21stInternationalLaserRadar Conference-Quebec Canada, 8-12 July 2002, pp. 685-688 26. Pappalardo G., J. Bösenberg, M. Alpers, A. Ansmann, D. Balis, C. Böckmann, A. Chaikovsky, A. Comeron, A. Hågård, V. Mitev, A. Papayannis, J. Pelon, M.R. Perrone, D. Resendes, V. Rizi, V. Simeonov, N. Spinelli, T. Trickl, G. Vaughan, M. Wiegner, Aerosol Lidar Measurements in the frame of the EARLINET Project, INFMeeting 2002, Bari, 24-28 June 2002 (Abstracts volume 225), 2002 27. I. Balin, V. Simeonov, R. Jimenez, M. Navarette, R. Nessler,P. Ristori, F. Kirchner, H. van den Bergh and B. Calpini, “ The ESCOMPTE – Marseille 2001 International Field Experiment:Ground-based and Lidar Results obtained at St Chamas by the EPFL Mobile Laboratory “,EUROTRAC-2 Symposium 2002 11-15th of March 2002, Garmisch-Partenkirchen, Germany 28. A. Papayanis, G. Tsaknakis, D. Balis, A. Chaikovski, F. de Tomasi, I. Mattis, V. Mitev, G. Pappalardo, J. Pelon, C. Perez, S. Puchalski, V. Rizi, L. Sauvage, V. Simeonov, N. Spinelli, T. Trickl, G. Waughan, M. Weininger, V. Matthias, A. Haagard, M. Alpers and A. Castanho, Three years of observations of Saharan dust outbreaks over Europe monitored by a coordinated LIDAR network in the frame of the EARLINET project, Sixth International symposium on tropospheric profiling-Needs and Technologies, September 14-20, 2003 Leipzig, Germany, p. 225 29. P. Ristori, V. Simeonov, M. Taslakov, L.Molina, M.Molina, and H. van den Bergh, “Ozone and aerosol distribution measured above Mexico City with a differential absorption lidar during the MCMA 2003 field campaign”, 22nd International Laser Radar Conference, (ILRC), Matera Italy 8-12 July 2004, Volume 2: issue 561, ESA SP, pp. 755-758 30. I. Balin, M. Parlange, B. Calpini, V. Simeonov, and H. van den Bergh , "Elevated atmospheric boundary layer over the Swiss Alps during the august 2003 heat wave”, 22nd International Laser Radar Conference, (ILRC), Matera Italy 8-12 July 2004, Volume 2: issue 561, ESA SP, pp 781-784 31. I. Balin, V. Simeonov, I. Serikov, S. Bobrovnikov, B. Calpini,Y. Arshinov, and H. van den Bergh, “Simultaneous measurement of temperature, water vapor, aerosol extinction and backscatter by Raman lidar”, 22nd International Laser Radar Conference, (ILRC), Matera Italy 8-12 July 2004, Volume 2: issue 561, ESA SP, pp.139-142, 32. A. Papayannis et al, “Saharan dust outbreaks towards Europe: 3 years of systematic observations by the European lidar network in the frame of the EARLINET project (2000-2003)”, 22nd International Laser Radar Conference, (ILRC), Matera Italy 8-12 July 2004, Volume 2: issue 561, ESA SP, pp. 845-848 33. P. Keckhut, G. Pappalardo, A. Apituley, F. Congeduti, T. Leblanc, F. Immler, M. Muller, C. L. Robert, V. Simeonov, G. Vaughan, D. Whiteman, “Water vapor Raman lidar within the NDSC, 22nd International Laser Radar Conference, (ILRC), Matera Italy 8-12 July 2004, Volume 2: issue 561, ESA SP pp. 927-929 34. V. Simeonov, P. Ristori, M. Taslakov, H. van den Bergh, L. T. Molina, M. J. Molina, “Ozone and Aerosol Distribution Measured Above Mexico City with a Differential Absorption Lidar during the MCMA 2003 Field Campaign”, in the proceedings of the XX Quadrennial Ozone Symposium, Kos Greece, 1-8 June 2004, V.1 pp. 435-437 35. V. Simeonov, P. Ristori, I. Balin, B. Calpini, H. van den Bergh, “A New DIAL Based on a N2 Raman Converter for Ozone Monitoring; Design and Application during the ESCOMPTE Campaign”, in the proceedings of the XX Quadrennial Ozone Symposium, Kos Greece, 1-8 June, 2004, V.1, pp. 109-110 36. M. Taslakov, V. Simeonov, and H. van den Bergh, “Ozone detection by Quantum Cascade Laser Single-pulse spectroscopy”, in the proceedings of the XX Quadrennial Ozone Symposium, Kos Greece, 1-8 June 2004, V. 1 pp. 603-604 37. Pappalardo G., and J. Bösenberg, A. Ansmann, D. Balis, C. Böckmann, A. Chaikovsky, A. Comeron, , R. Eixmann, I. V. Grigorov, A. Hågård, V. Mitev, S. Nickovic, A. Papayannis, J. Pelon, M. R. Perrone, D. Resendes, V. Rizi, V. Simeonov, P. Sobolewski, N. Spinelli, T. Trickl, G. Vaughan, M. Wiegner, M. Zavrtanik, Aerosol Lidar Measurements in the Framework of EARLINET, 85th AMS Annual Meeting, 9-13 January, San Diego, CA., 2004 38. V. Simeonov, P. Ristori, M. Taslakov,T. Dinoev, L. T. Molina, M. J.Molina, and H. van den Bergh, “Ozone and aerosol distribution above Mexico City measured with a DIAL/elastic lidar system during the Mexico City Metropolitan Area ( MCMA) 2003 field campaign”, in Proc. of SPIE Vol. 5984 pp.59840O-1-59840O-8, Remote Sensing 2005,19–22 September 2005 Bruges, Belgium, 39. P Ristori, M. Froidevaux, T. Dinoev, I. Serikov, V. Simeonov, M. Parlange, H. Van den Bergh, “Development of a temperature and water vapor Raman LIDAR for turbulent observations, in Proc. of SPIE Vol. 5984 59840F-1, Remote Sensing-2005,19–22 September 2005 Bruges, Belgium 40. M. Taslakov, V. Simeonov, H. van den Bergh, and J. Feist, “Ammonia and Ozone Open Path.Measurements Using Quantum Cascade Laser Technology”, in the proceedings of The First International Conference on Environmental Science and Technology January 23-26, 2005, New Orleans, Louisiana, USA 41. M. Taslakov, V. Simeonov, H..van den Bergh, “Open path trace gas measurements using a pulse quantum cascade laser”, 13th International School on Quantum Electronics: Laser Physics and Applications Book Series: SPIE, Volume: 5830 pp. 347-351, 2005 42. M. Taslakov, V. Simeonov, H..van den Bergh, “Quantum cascade laser based system for line-of-sight data transmission in the Mid IR” 13th International School on Quantum Electronics: Laser Physics and Applications Book Series: SPIE, Volume: 5830 pp. 541-545, 2005 43. M. Taslakov, V. Simeonov, H..van den Bergh, “System for a remote readout of multiple passive sensors using 31 THz quantum cascade laser”, 2005 IEEE International Frequency Control Symposium And Exhibition Book Series: IEEE International Frequency Control Symposium Pages: 897-90, 2005. 44. P. Ristori, M. Froidevaux, T. Dinoev, I. Serikov, V. Simeonov, M. Parlange, H. Van den Bergh, “Development of a temperature and water vapor Raman lidar for turbulent observations”, Proc. SPIE Vol. 5984, p. 105-112, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing, Bruges, Belgium | September , 2005 V. Simeonov, P. Ristori, M. Taslakov, T. Dinoev, L. Molina, M. Molina and, H. Van den Bergh, “Ozone and aerosol distribution above Mexico City measured with a DIAL/elastic lidar system during the Mexico City Metropolitan Area (MCMA) 2003 field campaign”, Proc. SPIE Vol. 5984, p. 105-112, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing, Bruges, Belgium | September , 2005 45. Amodeo A., J. Bösenberg, A. Ansmann, D. Balis, C. Böckmann, A. Chaikovsky, A. Comeron, V. Mitev, A. Papayannis, G. Pappalardo, M. R. Perrone, V. Rizi, V. Simeonov, P. Sobolewski, N. Spinelli, D. V. Stoyanov, T. Trickl, M. Wiegner, “EARLINET: the European Aerosol Lidar Network”, Third Workshop "Lidar Measurements in Latin America", 11 - 15 July, 2005, Popayan, Colombia. 46. Pappalardo G., J. Bösenberg, A. Ansmann, D. Balis, C. Böckmann, A. Chaikovsky, A. Comeron, R. Eixmann, I. V. Grigorov, A. Hågård, V. Mitev, S. Nickovic, A. Papayannis, J. Pelon, M. R. Perrone, D. Resendes, V. Rizi, V. Simeonov, P. Sobolewski, N. Spinelli, T. Trickl, G. Vaughan, M. Wiegner, M. Zavrtanik, “Aerosol lidar measurements in the framework of EARLINET”, Contribution 5.1 (5 pp. on CD), Second Symposium on Lidar Atmospheric Applications, 85th Annual Meeting of the American Meteorological Society (San Diego, U.S.A.), January 9 to 13, 2005, American Meteorological Society (Washington, U.S.A., 2005) 47. V.Simeonov, T. Dinoev, P. Ristori, I. Serikov, M. Taslakov, M. Parlange, B. Calpini, Y. Arshinov, S. Bobrovnikov, H. van den Bergh, “New remote sensing instruments for water vapour monitoring developed at EPFL”, TECO-2006 - WMO Technical Conference on Meteorological and Environmental Instruments and Methods of Observation Geneva, Switzerland, 4-6 December 2006, available at http://www.wmo.int/pages/prog/www/IMOP/publications/IOM-94-TECO2006/2(6)_Simeonov_Swizerland.pdf 48. B. Calpini, T. Dinoev, P. Ristori, , Y. Roulet., I. Serikov, V. Simeonov, and H. van den Bergh, “Water vapor/aerosol profiling using a Raman lidar: From a R&D tool to an operational instrument in a Met Office”, ISTP 2006 49. I. Serikov,P. Ristori, M. Froidevaux, T. Dinoev, M. Taslakov, Y. Arshinov, S. Bobrovnikov, V Simeonov, M. Parlange, H. van den Bergh, “Temperature and water vapor Raman lidar for observation of land-atmosphere interactions”, in the proceedings of the 23nd International laser Radar Conference, 24-28 July 2006 Nara Japan, pp. 171-174 50. T. Dinoev, P. Ristori, Y. Arshinov, S. Bobrovnikov, I. Serikov, B. Calpini,H. van den Bergh and V. Simeonov, “Meteorological water vapor Raman lidar – advances “, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing SPIE, Volume: 6367 pp. U98-U106 Published: 2006 51. T. Dinoev, Y. Arshinov, S. Bobrovnikov, I. Serikov, B. Calpini, H. van den Bergh and V. Simeonov, “Meteorological water vapor raman lidar – advances”, in the proceedings of the 23nd International laser Radar Conference, 24-28 July 2006 Nara Japan, pp. 47-50 52. G. Papalardo, J Bosenberg, A. Amodeo, A. Ansmann, A. Apituley, D. Balis, C. Bockmann, A. Chaikovski, A. Comeron, V. Freudenthaler, G. Hansen, V. Mitev, A. papayanis, M. perone, A. Pietruchuck, M. Pujadas, F. Ravetta, V. Rizi, V. Simeonov, N. Spinelli, D. Stoyanov, T. trickl, M. Wiegner. “European Aerosol Research Lidar Network- Advanced Sustainable observation system (EARLINET_ASOS), in the proceedings of the 23nd International laser Radar Conference, 24-28 July 2006 Nara Japan, pp. 667-670 53. G. Pappalardo, J. Bösenberg, A. Amodeo, A. Ansmann, A. Apituley, D. Balis, C. Böckmann, A. Chaikovsky, A. Comeron, V. Freudenthaler, G. Hansen, V. Mitev, A. Papayannis, M.R. Perrone, A. Pietruczuk, M. Pujadas, F. Ravetta, V. Rizi, V. Simeonov, N. Spinelli, D. Stoyanov, T. Trickl, M. Wiegner – “EARLINET-ASOS: European Aerosol Research Lidar Network -Advanced Sustainable Observation System”, 7th International Symposium on Tropospheric Profiling: Needs and Technologies, Boulder, Colorado, June 11-17, p. 5.3-5.4, 2006. 54. G.Pappalardo, J. Bösenberg, A. Amodeo, A. Ansmann, A. Apituley, L. A. Arboledas, D. Balis, C. Böckmann, A. Chaikovsky, A. Comeron, V. Freudenthaler, G. Hansen, V. Mitev, D. Nicolae, A. Papayannis, M.R. Perrone, A. Pietruczuk, M. Pujadas, J.-P. Putaud, F. Ravetta, V. Rizi, V. Simeonov, N. Spinelli, D. Stoyanov, T. Trickl, M. Wiegner – “EARLINET-ASOS: programs and perspectives for the aerosol study on continental scale” - Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing II Book Series: Proceedings of SPIE Volume: 6367 Published: 2006 55. G. Pappalardo, J. Bösenberg, A. Amodeo, A. Ansmann, A. Apituley, L. Alados Arboledas, D. Balis, C. Böckmann, A. Chaikovsky, A. Comeron, V. Freudenthaler, G. Hansen, V. Mitev, D. Nicolae, A. Papayannis, M. R. Perrone, A. Pietruczuk, M. Pujadas, J.-P. Putaud, F. Ravetta, V. Rizi, V. Simeonov, N. Spinelli, D. Stoyanov, T. Trickl and M. Wiegner: “European aerosol research LIDAR network - Advanced sustainable observation system (EARLINET-ASOS) for the aerosol study on continental scale”, Conference on Visibility, Aerosols, and Atmospheric Optics Vienna, September 3 to 6, 2006. Invited paper. 56. G. Pappalardo, Jens Bösenberg, Aldo Amodeo, Albert Ansmann, Arnoud Apituley, Dimitris Balis, Christine Böckmann, Anatoly Chaikovsky, Adolfo Comeron, Volver Freudenthaler, Georg Hansen, Valentin Mitev, Alexandros Papayannis, Maria Rita Perrone, Aleksander Pietruczuk, Manuel Pujadas, Francois Ravetta, Vincenzo Rizi, Valentin Simeonov, Nicola Spinelli, Dimitar Stoyanov, Thomas Trickl, Matthias Wiegner – “The European Aerosol Research Lidar Network: EARLINET” - 2006 International Aerosol Conference, pp. 524-525, St. Paul, Minnesota USA Organized by American Association for Aerosol Research (AAAR). 57. G. Pappalardo, J. Bösenberg, A. Amodeo, A. Ansmann, A. Apituley, L. Arboledas, D. Balis, C. Böckmann, A. Chaikovsky, A. Comeron, V. Freudenthaler, G. Hansen, V. Mitev, D. Nicolae, A. Papayannis, M. Perrone, A. Pietruczuk, M. Pujadas, J.-P. Putaud, Fr. Ravetta, V. Rizi, V. Simeonov, N. Spinelli, D. Stoyanov, T. Trickl, M. Wiegner , “EARLINET-ASOS: European Aerosol Research Lidar Network-Advanced Sustainable Observation System”, American Meteorological Society Annual Meeting 2007, S. Antonio, Texas, USA. 58. A. Amodeo, I. Mattis, C. Böckmann, G. D'Amico, D. Müller, L. Osterloh, A. Chaikovsky, G. Pappalardo, A. Ansmann, A. Apituley, L. Arboledas, D. Balis, A. Comeron, V. Freudenthaler, V. Mitev, D. Nicolae, A. Papayannis, M. Rita Perrone, A. Pietruczuk, M. Pujadas, J-P.Putaud, F. Ravetta, V. Rizi, V. Simeonov, N. Spinelli, K. Stebel, D. Stoyanov, T. Trickl, M. Wiegner , “Optimization of lidar data processing: a goal of the EARLINET-ASOS project”, Proc SPIE 11/2007; 6750:12-. DOI:10.1117/12.738348 59. I. Mattis, L. Mona, D. Muller, G. Pappalardo, L.Arboledas,G. D’Amico, A. Amodeo, A. Apituley, J. Baldasano, C. Bockmann, J. Bosenberg, A. Chaikovsky, A. Comeron, E. Giannakaki, I. Grigorov, J. Rascado, O. Gustafsson, M.Iarlori, H. Linne, V.Mitev, F. Menendez, D. Nicolae, A. Papayannis, C.Pando, M.Perrone, A.Pietruczuk, J-P Putaud, F. Ravetta, A, Rodriguez, P. Seifert, M.Sicard, V. Simeonov, P. Sobolewski, N. Spinelli, K. Stebel, A. Stohl, M. Tesche, T. Trickl, X.Wang, and M. Wiegner, “EARLINET correlative measurements for CALIPSO“, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing, SPIE, Volume: 6750 Pages: Z7500-Z7500 Published: 2007, Invited 60. A. Amodeo, G. Pappalardo, J. Bösenberg, , A. Ansmann, , A. Apituley, L. Arboledas, D. Balis, , C. Böckmann, , A. Chaikovsky, A. Comeron,, O.Gustafsson, G. Hansen, V. Mitev, L. Mona, D. Nicolae, A. Papayannis,M. Perrone, A. Pietruczuk, M. Pujadas, J-P Putaud, F. Ravetta, V. Rizi, V. Simeonov, N. Spinelli, D. Stoyanov, T. Trickl, M. Wiegner, A European research infrastructure for the aerosol study on a continental scale: “EARLINET-ASOS, remote sensing of clouds and the atmosphere” SPIE Volume: 6745 Article Number: 67450Y Published: 2007 61. M. Taslakov, V. Simeonov, H.van den Bergh, “Open path spatially resolved detection of atmospheric compounds using pulsed quantum cascade laser spectroscopy”, 14th International School on Quantum Electronics: Laser Physics and Applications Book Series: Proceedings of SPIE Volume: 6604 Article Number: 660424 Published: 2007 62. M. Taslakov, V. Simeonov, H.van den Bergh, “Open path measurements of ozone, water vapor, CO2 and atmospheric temperature using intrapuls tuning method of quantum cascade laser”, 14th International School on Quantum Electronics: Laser Physics and Applications Book Series: Proceedings of SPIE Volume: 6604 Article Number: 660423, Published: 2007 63. M. Taslakov, V. Simeonov, H.van den Bergh, “A frequency stabilized tunable pulsed quantum cascade laser”, 2008 IEEE International Frequency Control Symposium, Vols 1 And 2 Pages: 122-126 Published: 2008 64. M. Taslakov, V. Simeonov, H.van den Bergh, “Line-of-sight data transmission system based on Mid IR quantum cascade laser”, Free-Space Laser Communication Technologies XX Book Series: SPIE, Volume: 6877, pp, F8770-F8770 Published: 2008 65. G. Pappalardo, J. Bösenberg, A. Amodeo, A. Ansmann, L. Arboledas, D. Balis, C. Böckmann, A. Chaikovsky, A. Comerón,V. Freudenthaler, O. Gustafsson, G. Hansen, R.Mamouri, I. Mattis ,V. Mitev, C.Muñoz, D Nicolae, A. Papayannis, C. Pérez, M.Perrone, A. Pietruczuk, M.Pujadas, J.Putaud, F. Ravetta, V. Rizi, F. Rocadenbosch, M. Sicard, V.Simeonov, N Spinelli,D. Stoyanov, T. Trickl, U. Wandinger, M. Wiegner, “EARLINET: the European Aerosol Research Lidar Network for the Aerosol Climatology on Continental Scale”, Current Problems in Atmospheric Radiation (IRS 2008) Book Series: AIP Conference Proceedings Volume: 1100 pp. 189-192 Published: 2009 66. F. Rocadenbosch, I. Mattis, C. Böckmann, G. Pappalardo, J. Bösenberg, L. Arboledas, A. Amodeo, A. Ansmann, A. Apituley, D. Balis, A. Chaikovsky, A. Comerón,V. Freudenthaler, O. Gustafsson, G. Hansen, R.Mamouri, V. Mitev, C.Muñoz, D Nicolae, A. Papayannis, C. Pérez, M.Perrone, A. Pietruczuk, M.Pujadas, J.Putaud, F. Ravetta, V. Rizi, M. Sicard, V.Simeonov, N Spinelli,D. Stoyanov, T. Trickl, U. Wandinger, M. Wiegner, ”The European Aerosol Research Lidar NETwork (EARLINET): an overview”, IGARSS-08 (International Geosciencie and Remote Sensing Symposium 2008, Boston, USA, July 6-11, 2008, Invited 67. A. Papayannis, V. Amiridis, L. Mona, R. E. Mamouri, A. Apituley, L. Alados-Arboledas, D. Balis, A. Chaikovski, F. De Tomasi, I. Grigorov, O. Gustafsson, H. Linne, I. Mattis, V. Mitev, F. Molero, D Müller, D. Nicolae, C Pérez, A. Pietruczuk, J. P. Putaud, F. Ravetta, V. Rizi, F. Schnell, M. Sicard, V. Simeonov, K. Stebel, T. Trickl, G. D'Amico, G. Pappalardo, X Wang , Coordinated lidar observations of Saharan dust over Europe in the frame of EARLINET-ASOS project during CALIPSO overpasses: A strong dust case study analysis with modeling support, Proc SPIE 09/2009; DOI:10.1117/12.830842 68. G. Pappalardo, , A. Papayannis, J. Bösenberg, , A. Ansmann, , A. Apituley, L. Arboledas, , D. Balis, , C. Böckmann, , A. Chaikovsky, A. Comeron,, O.Gustafsson, G. Hansen, V. Mitev, L. Mona, D. Nicolae, M. Rita Perrone, A. Pietruczuk, M. Pujadas, J-P Putaud, F. Ravetta, V. Rizi, V. Simeonov, N. Spinelli, D. Stoyanov, T. Trickland M. Wiegner, “EARLINET coordinated lidar observations of Saharan dust events on continental scale”, WMO/GEO Expert meeting on an international sand and dust storm warning system Book Series: IOP Conference Series-Earth and Environmental Science Volume: 7 Article Number: 012002 Published: 2009 69. T. Dinoev, P. Ristori, B. Calpini, H van den Bergh, M. Parlange and V. Simeonov “Meteorological water vapour Raman lidar- Calibration”, 24th International Laser Lidar Conference, pp. 1045-1047, 23-27 June 2008, Boulder, Colorado US 70. I. Serikov, M. Froidevaux, P. Ristori, V. Simeonov, Y. Arshinov, S. Bobrovnikov, H. van den Bergh, M. Parlange, “A temperature and water vapour Raman lidar:Calibration and field tests”, 24th International Laser Lidar Conference, pp. 1033-1038, 23-27 June 2008, Boulder, Colorado US 71. M. Froidevaux, Ch. Higgins, V. Simeonov, I. Serikov, H.van den Bergh, R. Calhoun, P.Ristori, E. Pardyjak, and M. Parlange, “Turbulent Atmospheric Boundary Layer Evaporation (TABLE) experiment: preliminary results”, 25th International Laser Lidar Conference, 5 - 9 July 2010, St. Petersburg, Russia 72. T. Dinoev, I. Serikov, V. Simeonov, Y. Arshinov, S. Bobrovnikov, B. Calpini, H. van den Bergh, M. B. Parlange, “Temperature and aerosol backscatter ratio measurements with the Swiss Raman Lidar for meteorological applications”, 25th International Laser Lidar Conference, 5 - 9 July 2010, St. Petersburg, Russia 73. V. Simeonov , T. Dinoev , B. Calpini , S. Bobrovnikov , Y. Arshinov, P. Ristori , H. van den Bergh , and M. Parlange, ” A Raman lidar as operational tool for water vapor profiling in the Swiss Meteorological Office”, 25th International Laser Lidar Conference, 5 - 9 July 2010, St. Petersburg, Russia 74. T. Dinoev, V. Simeonov, B. Calpini, and M. B. Parlange, “Monitoring of Eyjafjallajökull ash layer evolution over Payerne Switzerland with a Raman lidar”, TECO-2014, WMO Technical Conference On Meteorological And Environmental Instruments, And Methods Of Observation, Helsinki, Finland, 30 August-1 September 2010, full text 7 pages, available at: http://www.wmo.int/pages/prog/www/IMOP/publications/IOM-104_TECO-2010/2_6_Dinoev_Switzerland.pdf 75. V.Simeonov, H. van den Bergh, and M. Parlange, “Long open-path, TDL based system for monitoring methane background concentration for deployment at Jungfraujoch High Altitude Research Station- Switzerland”, WMO Technical Conference On Meteorological And Environmental Instruments, And Methods Of Observation, Helsinki, Finland, 30 August - 1 September 2010, full text 7 pages, available at: http://www.wmo.int/pages/prog/www/IMOP/publications/IOM-104_TECO-2010/P2_21_Simeonov_Switzerland.pdf 76. G.Pappalardo, A. Amodeo, A. Ansmann, A. Apituley, L Arboledas, D. Balis, C. Böckmann, A. Chaikovsk7, A. Comeron, G. D’Amico, F. De Tomasi, V. Freudenthaler, E. Giannakaki, A. Giunta, I. Grigorov, O. Gustafsson, S. Gross, M. Haeffelin, M. Iarlori, S. Kinne, H. Linné, F.Madonna, R. Mamouri, I. Mattis, M. McAuliffe, F.Molero, L. Mona, D. Müller, V. Mitev, D. Nicolae, A. Papayannis, M. Perrone, A. Pietruczuk, M. Pujadas, J.Putaud, F. Ravetta, V. Rizi, I. Serikov,M. Sicard, V. Simeonov, N. Spinelli, K. Stebel, T. Trickl, U. Wandinger, X. Wang, F. Wagner, M. Wiegner, “EARLINET observations of the Eyjafjallajökull ash plume over Europe” Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing VI, edited by Upendra N. Singh, Gelsomina Pappalardo, Proc. of SPIE Vol. 7832, 78320J© 2010 SPIE • CCC code: 0277-786X/10/$18 • doi: 10.1117/12.869016, 2010, Invited paper 77. V.Simeonov, “Absolutely calibrated Raman lidar as a reference tool in atmospheric humidity profiling, TECO-2014”, WMO Technical Conference On Meteorological And Environmental Instruments, And Methods Of Observation, Saint Petersburg, Russian Federation, 07-09 July 2014, available at http://www.wmo.int/pages/prog/www/IMOP/publications/IOM-116_TECO-2014/Session%201/O1_10_Simeonov_Absolutely_calibrated_Raman_lidar.pdf 78. V. Simeonov, S. Fastig, A. Haefele, B. Calpini, “Instrumental correction of the uneven PMT aging effect on the calibration constant of a water vapor Raman lidar”, Proc. SPIE. 9246, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing X, 92460N. (October 20, 2014) doi: 10.1117/12.2066802