Behavior of Lead Sulfide Photocells in the Ultraviolet*
- 1 December 1958
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America
- Vol. 48 (12), 1007-1009
- https://doi.org/10.1364/josa.48.001007
Abstract
Spectral response measurements have been made on Eastman Kodak lead sulfide cells in the wavelength range 0.2–2.0 μ. The quantum sensitivity (defined as the number of electronic charges passed in the external circuit per incident photon) is roughly constant for wavelengths greater than 0.6 μ, but rises linearly with photon energy at shorter wavelengths. The increase in quantum yield is attributed to electron multiplication by secondary internal emission.Keywords
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