| 单词 | photoconductive detector |
| 释义 | photoconductive detectorphotoconductive detectorA photoconductive cell used to detect photons in the infrared, usually made from either germanium or silicon doped with a variety of other metals, e.g. copper, arsenic, antimony. These detectors are used at wavelengths from about 10 to 200 μm, with liquid-helium cooling. In contrast to bolometers, the responsive elements of photoconductive detectors undergo no significant temperature change. See also infrared detectors. |
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