solar spectral flux radiometer (ssfr)
DESCRIPTION
Solar Spectral Flux Radiometer (SSFR). ATTREX Science Team Meeting Oct. 23, 2013 NASA ARC/University of Colorado. VIS-NIR: 256 element silicon diode array 260-1090 nm, 3 .0 nm sampling, 8 nm FWHM NIR: 256 element InGaAs array 903-2217 nm, 5.0 nm sampling, 16 nm FWHM. 16-bit system - PowerPoint PPT PresentationTRANSCRIPT
Solar Spectral Flux Radiometer (SSFR)
ATTREXScience Team Meeting
Oct. 23, 2013
NASA ARC/University of Colorado
Zeiss Monolithic Spectrometer
VIS-NIR: 256 element silicon diode array 260-1090 nm, 3.0 nm sampling, 8 nm FWHM
NIR: 256 element InGaAs array 903-2217 nm, 5.0 nm sampling, 16 nm FWHM
16-bit systemNIST traceable calibrationIntegrating sphere for cosine response
Kipp and Zonen CG4 pyrgeometer
• Wavelength range: 4.5-42 μm• Simultaneous zenith and nadir viewing• Hemispheric FOV• Sampling rate: 1 Hz• Measured quantities: Upwelling and downwelling broadband infrared irradiance [W m-2]
Solar Spectral Flux Radiometer (SSFR)
Since the ATTREX mission inearly 2013 SSFR successfully participated in the 2013 SEAC4RS mission • 20 DC-8 science flights• Instrument returned in good
shape• Post-mission calibration to be
performed soon
Solar Spectral Flux Radiometer (SSFR)
For the 2014 ATTREX mission
Pre-mission • Perform SSFR system functional check (mid to late Oct.)• Calibrate SSFR (angular, absolute, wavelength) (late Oct.
to mid Nov.)• Integrate/test on Global Hawk
Solar Spectral Flux Radiometer (SSFR)
Since the ATTREX mission inearly 2013 requests been made to modify SSFR light collector and CG4 mounting to nadir fairing• Currently major undertaking to
remove/install fairing to access light collector and CG4 especially for field calibration
• Reduce risk to AWAS inlet and line mounted to same fairing
Fairing removed for SSFR cal