The Compact Airborne Formaldehyde Experiment (CAFE) is an in situ airborne instrument that measures formaldehyde (CH2O). It uses non-resonant laser-induced fluorescence (LIF) to measure CH20 in the troposphere and lower stratosphere. CAFE uses a laser at 355 nm wavelength to excite CH20 and detect the fluorescence in the 420-550 nm range. It has a typical sampling rate of 1 Hz and achieves a precision of 160 pptv at zero pptv CH20.
Instrument Details
- Meter/Analyzer
- Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > FormaldehydeEarth Science > Atmosphere > Atmospheric Chemistry
- Lower Stratosphere, Troposphere
- 1 Hz
- N/A
- 844.5 THz
- https://doi.org/10.5194/amt-12-4581-2019
Jason St. Clair, Thomas Hanisco
Jason St. Clair
GSFC
NASA
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