Measurements and Applications
SWIR sensor based on a Fizeau interferometer to detect and quantify facility-scale CH4 emissions
Full Name
GESat GEN1 SWIR Fizeau interferometer
Status
Operational
Instrument Agencies
Absolut Sensing
Maturity
Low Heritage
Instrument Type
Atmospheric chemistry 
Geometry
Push-broom scanning
Instrument Technology
High-resolution nadir-scanning SW spectrometer
Sampling
Imaging
Resolution
50 m GSD
[Best Resolution: 50m]
Swath
12 to 25 km FOV @ Nadir, 250+ km pointing from Nadir
[Max Swath: 250 km]
Accuracy
100 ppb XCH4 and 50 kg/h emission rates in standard wind conditions
Waveband
Narrow band at 1.64 µm
GESat GEN1 - Gas à Effet de Serre Satellite - GEN1 (2025 - 2027) |