Research on an extended blue GaAs photocathode

Hui Guo; Liu Feng; Shiming Xiang

doi:10.1117/12.574635

17 January 2005 Research on an extended blue GaAs photocathode

Hui Guo, Liu Feng, Shiming Xiang

Proceedings Volume 5644, Optoelectronic Devices and Integration; (2005) https://doi.org/10.1117/12.574635
Event: Photonics Asia, 2004, Beijing, China

Abstract

A design idea of extended blue NEA GaAs photocathode is given in this paper. A new structure is presented by changing the composition of GaAlAs in grads in order to get the short wavelength response and in the same time to reduce the stress in the photocathode material, so that an extended blue GaAs photocathode with a higher sensitivity of image intensifier can be obtained. Finally, the spectrum responses of both ordinary and extended blue GaAs image intensifier are given, the relationship of material structure and the result of blue extending is discussed.

Citation Download Citation

Hui Guo, Liu Feng, and Shiming Xiang "Research on an extended blue GaAs photocathode", Proc. SPIE 5644, Optoelectronic Devices and Integration, (17 January 2005); https://doi.org/10.1117/12.574635

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