Abstract

Indium selenide layers have been formed by successive evaporations of indium and selenium and by direct evaporation of indium selenide. The films are photoconductive with a long wavelength cutoff at about 2 microns and peaks in their spectral response at 0.6 and 1.4 microns. A different time constant is associated with each peak. In the visible region the time constant is greater than 1 millisecond, while in the infrared it is generally less than 100 microseconds.

© 1953 Optical Society of America

On the Relation between the Speed of Response and the Detectivity of Lead Sulfide Photoconductive Cells

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Photoconductivity in Vacuum Coated Selenium Films*

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