Radiation-induced phosphorescence in UV window materials

Steve Osterman; Dennis Ebbets

doi:10.1117/12.506415

8 December 2003 Radiation-induced phosphorescence in UV window materials

Steve Osterman, Dennis Ebbets

Proceedings Volume 5164, UV/EUV and Visible Space Instrumentation for Astronomy II; (2003) https://doi.org/10.1117/12.506415
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Radiation induced phosphorescence of UV window materials has been identified as a source of background signal in UV detectors for as long as these detectors have flown in space, but there is little detailed knowledge of the spectrum, decay time constants or thermal dependence of the phosphorescence. We present initial results of a study undertaken to characterize this source of background signal, including spectra, decay timescale analysis, and preliminary assessment of depopulation/deexcitation techniques. The ultimate goals of this study are to identify and evaluate phosphorescence mitigation techniques and to identify the source of the phosphorescence in optical materials.

Citation Download Citation

Steve Osterman and Dennis Ebbets "Radiation-induced phosphorescence in UV window materials", Proc. SPIE 5164, UV/EUV and Visible Space Instrumentation for Astronomy II, (8 December 2003); https://doi.org/10.1117/12.506415

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