Paper
15 July 1993 Review of low-background Ge photoconductors
Author Affiliations +
Proceedings Volume 1874, Infrared and Millimeter-Wave Engineering; (1993) https://doi.org/10.1117/12.148069
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States
Abstract
Germanium photoconductors are currently the most sensitive detectors for use in low background, far infrared applications. In particular, between the wavelengths of 40 micrometers and 200 micrometers , these detectors have been used in a number of existing or planned systems for space infrared astronomy. We describe briefly the physical mechanisms of photoconductivity, including a discussion of various non-ideal behaviors seen at low backgrounds. The requirements for specialized cryogenic electronics are discussed along with some current implementations. Examples of past focal plane array designs are given, and the extension of the technology to large format imaging arrays is described.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Erick T. Young "Review of low-background Ge photoconductors", Proc. SPIE 1874, Infrared and Millimeter-Wave Engineering, (15 July 1993); https://doi.org/10.1117/12.148069
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KEYWORDS
Sensors

Photoresistors

Germanium

Infrared radiation

Infrared sensors

Electronics

Infrared detectors

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