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Instrument

MFLL
Multi-functional Fiber Laser Lidar

The Multi-functional Fiber Laser Lidar (MFLL) is an airborne lidar system used to measure atmospheric carbon dioxide (CO2). It includes a multi-frequency, single-beam Laser Absorption Spectrometer (LAS) and a Pseudo-random Noise (PN) altimeter. The LAS operates at 1571 nm to determine the CO2 column amount, while the PN altimeter operates at 1596 nm to measure the distance from the aircraft to the scattering surface and/or cloud top. MFLL typically has a temporal resolution of 10 Hz and a spatial resolution of 1 meter at an altitude of 500 meters.

Image of the MFLL instrument during ACT-America
NASA's DC-8 flying laboratory passes Antarctica's tallest peak, Mount Vinson, on Oct. 22, 2012, during a flight over the continent to measure changes in the massive ice sheet and sea ice. Credit: NASA/Michael Studinger (Photography courtesy NASA Images)

Instrument Details

Lidar
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Full Column Profile, Troposphere
10 Hz
1 m
191 THz, 188 THz
Currently unavailble

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10.3334/ORNLDAAC/1649External Link
10.3334/ORNLDAAC/1892External Link
10.3334/ORNLDAAC/1891External Link
10.3334/ORNLDAAC/1817External Link