Imaging photon detectors

Jonathon R. Howorth; J. Ralph Powell

doi:10.1117/12.19486

1 July 1990 Imaging photon detectors

Jonathon R. Howorth, J. Ralph Powell

Proceedings Volume 1243, Electron Image Tubes and Image Intensifiers; (1990) https://doi.org/10.1117/12.19486
Event: Electronic Imaging: Advanced Devices and Systems, 1990, Santa Clara, CA, United States

Abstract

Imaging photon detectors (IPDs) can perform down to light levels of a few photons/sq cm/sec; this is 5-6 orders of magnitude more sensitive than civil and military low-light TV systems, and obviates the use of cryogenically cooled arrays which can destroy the linearity of cooled CCDs. An account is presently given of the characteristics of vacuum-tube IPDs with resistive anode, with centroiding CCD, and with wedge-and-strip readout, in order to evaluate their comparative advantages. All three readout system types are in principle capable of covering the entire EM spectrum, from MeV photons/particles down to less than 1 eV, and share similar limitations in count rate, counting efficiency, and resolution.

Citation Download Citation

Jonathon R. Howorth and J. Ralph Powell "Imaging photon detectors", Proc. SPIE 1243, Electron Image Tubes and Image Intensifiers, (1 July 1990); https://doi.org/10.1117/12.19486

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