autonomous airborne sun/sky-scanning spectrometer
DESCRIPTION
Autonomous Airborne Sun/Sky-Scanning Spectrometer. Entrance aperture. Optical fiber. Sun-tracking head. Data products: Aerosol optical depth Columns of H 2 O, O 3 , NO 2 Aerosol extinction Density of H 2 O, O 3 , NO 2. }. When UAV flies vertical profiles. _. __. Ames role : - PowerPoint PPT PresentationTRANSCRIPT
Demonstrated (Existing)
POC
Technology/Application
Funding/Timeline
Planned (Future)
In Development (Mature)
NASA Ames Instrument Workshop April 13, 2005
Autonomous Airborne Sun/Sky-Scanning Spectrometer
• Beat Schmid BAER/SGG, [email protected] x4-5933• Team Members: Nicholas Truong, Roy Johnson, Phil Russell, Jens Redemann, John Livingston
• Ground-based prototype NASA DDF: Mar 04-06• Miniaturization design study NOAA: Mar 05-07• Funding opportunities: NASA, NOAA, DOE
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Measures: Continuous spectrum of solar direct-beam transmission and scattered light at wavelengths, = 300-1017 nm
Data products: Aerosol optical depth Columns of H2O, O3, NO2 Aerosol extinction Density of H2O, O3, NO2
When UAVflies vertical profiles
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Technology: Zeiss Monolithic Miniature Spectrometer, CCD 1044×64 pixels, fiber optics, quad detector, custom entrance optics, tracking motors, bearings, seals, flashdisks
Technology Readiness Level: Ground-based prototyping
Technical challenges:Tracking accuracy, autonomous sun finding, straylight supression, dynamic range, spectrometer temperature control window frost & dirt, pressure & weather seals.
Ames role:World leader in airborne sunphotometry.
Sun-tracking head
Optical fiberEntrance aperture