Two-Year Solid Hydrogen Cooler For The Cryogenic Limb Array Etalon Spectrometer (CLAES) Instrument

L. G. Naes; T. C. Nast; A. E. Roche; P. B. Forney

doi:10.1117/12.934182

16 August 1983 Two-Year Solid Hydrogen Cooler For The Cryogenic Limb Array Etalon Spectrometer (CLAES) Instrument

L. G. Naes, T. C. Nast, A. E. Roche, P. B. Forney

Proceedings Volume 0364, Technologies of Cryogenically Cooled Sensors and Fourier Transform Spectrometers II; (1983) https://doi.org/10.1117/12.934182
Event: 26th Annual Technical Symposium, 1982, San Diego, United States

Abstract

The Cryogenic Limb Array Etalon Spectrometer (CLAES) is 1 of 13 instruments selected to fly aboard the Upper Atmospheric Research Satellite (UARS) in late 1988. CLAES is being developed by the Lockheed Palo Alto Research Laboratory for the NASA/Goddard Space Flight Center to obtain global measurements of those stratospheric trace specie concentrations affecting the ozone layer balance. It is an earth-limb viewing instrument that requires cryogenic cooling as shown in Table 1 to achieve the required performance sensitivity. Lifetime of the instrument is to be 1.5 years when operating on a 50 percent duty cycle; however, the cryogenic cooling subsystem will be designed to provide 2.0 years of cooling. This provides a 33 percent lifetime design margin for growth in instrument heat rates.

Citation Download Citation

L. G. Naes, T. C. Nast, A. E. Roche, and P. B. Forney "Two-Year Solid Hydrogen Cooler For The Cryogenic Limb Array Etalon Spectrometer (CLAES) Instrument", Proc. SPIE 0364, Technologies of Cryogenically Cooled Sensors and Fourier Transform Spectrometers II, (16 August 1983); https://doi.org/10.1117/12.934182

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