非本征光电导红外辐射探测器的宽带光学外差性能

Wideband optical heterodyne performance of extrinsic photoconductive infrared radiation detectors.

作者信息

Kurtin S L, Picus G S, Buczek C J

出版信息

Appl Opt. 1970 Aug 1;9(8):1848-53. doi: 10.1364/AO.9.001848.

DOI:10.1364/AO.9.001848

PMID:20094151

Abstract

Heterodyne detection of infrared radiation by cryogenically cooled extrinsic photoconductors is reviewed. Operational characteristics of a highly compensated Ge : Hg detector are calculated from experimentally determined material parameters. In many cases wideband, quantum noise limited performance can be obtained only if substantial refrigeration capacity is available at detector operating temperature.

摘要

本文综述了利用低温冷却的非本征光电导体对红外辐射进行外差检测的方法。根据实验测定的材料参数，计算了高补偿锗汞探测器的工作特性。在许多情况下，只有当探测器工作温度下具备足够的制冷能力时，才能实现宽带、量子噪声限制的性能。