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Optical Engineering

Determination of some main parameters for quantum values of GaAlAs/GaAs transmission-mode photocathodes in near-infrared region
Author(s): Omer Faruk Farsakoglu; D. Mehmet Zengin; Hikmet Kocabas
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Paper Abstract

The values of the quantum yield, its spectral dependence, and the external quantum efficiency of GaAlAs/GaAs transmission-mode photocathodes used in image intensification systems are computed based on the parameters of the internal quantum efficiency, the diffusion length, and the normalized surface recombination velocity. The variations for these parameters obtained are shown on the three orthogonal axes. Possible explanations and further lines of the investigation are also discussed.

Paper Details

Date Published: 1 May 1993
PDF: 9 pages
Opt. Eng. 32(5) doi: 10.1117/12.130264
Published in: Optical Engineering Volume 32, Issue 5
Show Author Affiliations
Omer Faruk Farsakoglu, Univ. of Ankara (Turkey)
D. Mehmet Zengin, Univ. of Ankara (Turkey)
Hikmet Kocabas, Technical Univ. of Istanbul (Turkey)

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