SDLA-LAMA (Spectromètre à Diode Laser Accordable - Laser pour l'Analyse du Méthane Atmosphérique)

A balloon borne tunable diode laser spectrometer devoted to in-situ measurements, in high troposphere and stratosphere, of methane and water vapour.

Balloon launched on: 5/10/1999 at 17:53
Launch site: Centre de Lancement de Ballons CLBA, Aire Sur L'Adour, Landes, France  
Balloon launched by: Centre National d'Etudes Spatiales (CNES)
Balloon manufacturer/size/composition: Zero Pressure Balloon model 35SF Zodiac - 35.000 m3
Balloon serial number: 35 SF Nº 92
End of flight (L for landing time, W for last contact, otherwise termination time): 5/10/1999 at ~ 22:00
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): 4 h 9 m
Payload weight: 378 kgs
Gondola weight: 115 kgs

• In situ measurements of H2O from a stratospheric balloon by diode laser direct-differential absorption spectroscopy at 1.39 µm Applied Optics Vol. 39, Issue 30, pp. 5601-5608 (2000)
• Micro-SDLA website Institut national des sciences de l'Univers - CNRS
• Open multipass absorption cell for in situ monitoring of stratospheric trace gas with telecommunication laser diodes APPLIED OPTICS, Vol. 41, No. 3,20 January 2002