Stability and lifetime testing of photomultiplier detectors for the Earth observing system SOLSTICE program

Joshua A. Hadler; Toni Van de Kop; Virginia Ann Drake; William E. McClintock; John Murphy; Paul Rodgers

doi:10.1117/12.328508

27 October 1998 Stability and lifetime testing of photomultiplier detectors for the Earth observing system SOLSTICE program

Joshua A. Hadler, Toni Van de Kop, Virginia Ann Drake, William E. McClintock, John Murphy, Paul Rodgers

Author Affiliations +

Proceedings Volume 3427, Optical Systems Contamination and Degradation; (1998) https://doi.org/10.1117/12.328508
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

The primary objective of the Earth Observing System (EOS) Solar Stellar Irradiance Comparison Experiment (SOLSTICE) is to accurately measure the absolute value of the solar UV irradiance at the top of the earth's atmosphere for a minimum mission lifetime of 5 years. To meet this objective, SOLSTICE employs a unique design to determine changes in instrument performance by routinely observing a series of early-type stars and comparing the irradiances directly with the solar value. Although the comparison techniques allows us to track instrument performance, the success of the SOLSTICE experiment depends upon photomultiplier detectors which have graceful degradation properties. Therefore, we have established a laboratory program to evaluate the characteristics of photomultiplier tubes which are exposed to long term fluxes similar to those we expected to encounter in flight. Three types of Hamamatsu photomultiplier tubes were tested as candidates for use in the EOS-SOLSTICE project. The results of these studies: pulse height distribution; quantum efficiency; surface maps,; and lifetime analysis are presented in this paper.

Citation Download Citation

Joshua A. Hadler, Toni Van de Kop, Virginia Ann Drake, William E. McClintock, John Murphy, and Paul Rodgers "Stability and lifetime testing of photomultiplier detectors for the Earth observing system SOLSTICE program", Proc. SPIE 3427, Optical Systems Contamination and Degradation, (27 October 1998); https://doi.org/10.1117/12.328508

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