Short Wavelength Rocketborne Infrared Spectrometer

Clair L. Wyatt; D. Gary Frodsham

doi:10.1117/12.955865

9 November 1977 Short Wavelength Rocketborne Infrared Spectrometer

Clair L. Wyatt, D. Gary Frodsham

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Proceedings Volume 0124, Modern Utilization of Infrared Technology III; (1977) https://doi.org/10.1117/12.955865
Event: 21st Annual Technical Symposium, 1977, San Diego, United States

Abstract

An ir spectrometer, used to obtain measurements of faint atmospheric emission spectra from a rocket carrier, is described. The sensor scans the 2.07 to 5.47 μm spectral region at the rate of 2 scan/s. The spectral resolution of the sensor, which employs a circular variable filter (CVF), ranges from 1.0 to 3.0%. The entire optical subsection, indium anti-monide detector, CVF, silicon lens, baffle, and removable cover are cooled below 80° K in a high-vacuum Dewar system. The noise equivalent spectral sterance [radiance] of the spectrometer at 5.3 μm is 1.93 x 10-10 (W cm-2sr-1μm-1).

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Clair L. Wyatt and D. Gary Frodsham "Short Wavelength Rocketborne Infrared Spectrometer", Proc. SPIE 0124, Modern Utilization of Infrared Technology III, (9 November 1977); https://doi.org/10.1117/12.955865

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