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Proceedings Paper

Characterization of a double monochromator
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Paper Abstract

Optical spectroradiometers used to measure and monitor the radiance output of uniform sources must be thoroughly characterized. The viability of the use of an instrument for such purposes is based upon the establishment of knowledge of its radiometric responsivity characteristics. The NASA Goddard Space Flight Center Radiometric Calibration Laboratory (RCL) has commissioned a new spectroradiometer for use in measurements of irradiance and radiance sources. The spectroradiometer is comprised of a commercial scanning grating, Czerny-Turner double monochromator. This spectroradiometer has been used to make measurements on a number of irradiance and radiance sources over the wavelength range of 300 to 2400 nm. Instrument characterization included determination of stability, functional wavelength calibration and scattered light performance. Comparison measurements were also made with other radiometers. The data gathered from these measurements is presented, analyzed, and discussed.

Paper Details

Date Published: 14 October 2010
PDF: 10 pages
Proc. SPIE 7826, Sensors, Systems, and Next-Generation Satellites XIV, 782624 (14 October 2010); doi: 10.1117/12.865091
Show Author Affiliations
Leibo Ding, Sigma Space Corp. (United States)
John W. Cooper, Sigma Space Corp. (United States)
Matthew G. Kowalewski, Goddard Earth Sciences and Technology Ctr. (United States)
Gilbert R. Smith, Sigma Space Corp. (United States)
James J. Butler, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 7826:
Sensors, Systems, and Next-Generation Satellites XIV
Roland Meynart; Steven P. Neeck; Haruhisa Shimoda, Editor(s)

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