Characterization of a double monochromator

Leibo Ding; John W. Cooper; Matthew G. Kowalewski; Gilbert R. Smith; James J. Butler

doi:10.1117/12.865091

13 October 2010 Characterization of a double monochromator

Leibo Ding, John W. Cooper, Matthew G. Kowalewski, Gilbert R. Smith, James J. Butler

Proceedings Volume 7826, Sensors, Systems, and Next-Generation Satellites XIV; 782624 (2010) https://doi.org/10.1117/12.865091
Event: SPIE Remote Sensing, 2010, Toulouse, France

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.

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Leibo Ding, John W. Cooper, Matthew G. Kowalewski, Gilbert R. Smith, and James J. Butler "Characterization of a double monochromator", Proc. SPIE 7826, Sensors, Systems, and Next-Generation Satellites XIV, 782624 (13 October 2010); https://doi.org/10.1117/12.865091

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KEYWORDS

Sensors

Integrating spheres

Monochromators

Optical spheres

Mercury

Calibration

Lamps

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