Rare-gas optics-free absolute EUV photon spectrometer for solar system studies

Melvin D. Daybell; Michael A. Gruntman; Darrell L. Judge; James A. R. Samson

doi:10.1117/12.60608

29 June 1992 A rare gas optics-free absolute EUV photon spectrometer for solar system studies

Melvin D. Daybell, Michael A. Gruntman, Darrell L. Judge, James A. R. Samson

Proceedings Volume 1745, Instrumentation for Planetary and Terrestrial Atmospheric Remote Sensing; (1992) https://doi.org/10.1117/12.60608
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

We have developed a prototype spectrometer for space applications which require long term absolute EUV photon flux measurements. In this recently developed spectrometer, the energy spectrum of the incoming photons is transformed directly into an electron energy spectrum by taking advantage of the photoelectric effect in one of several rare gases at low pressures. Using an electron energy spectrometer operating at a few eV, and followed by an electron multiplying detector, pulses due to individual electrons are counted. The overall efficiency of this process is essentially independent of gain drifts in the signal path, and the secular degradation of optical components which is often a problem in other techniques is avoided.

Citation Download Citation

Melvin D. Daybell, Michael A. Gruntman, Darrell L. Judge, and James A. R. Samson "A rare gas optics-free absolute EUV photon spectrometer for solar system studies", Proc. SPIE 1745, Instrumentation for Planetary and Terrestrial Atmospheric Remote Sensing, (29 June 1992); https://doi.org/10.1117/12.60608

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