Tests show commercial G1126-02 GaAsP photodiodes designed as ultraviolet detectors modified easily for use as x-ray detectors. Have quartz windows. When used to measure ultraviolet fluxes, windows or other apertures in optical paths covered with optical filters. To modify one of these photodiodes for x-ray application, one removes quartz window and replaces with aluminum foil, which blocks ultraviolet and visible radiation. GaAsP cells cost less than Si cells do and less damaged by radiation.
GaAsP Photodiodes As X-Ray Detectors
NASA Tech Briefs ; 15 , 9
1991-09-01
Miscellaneous
No indication
English
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