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Long wavelength infrared detectorLong wavelength infrared detection is achieved by a detector made with layers of quantum well material bounded on each side by barrier material to form paired quantum wells, each quantum well having a single energy level. The width and depth of the paired quantum wells, and the spacing therebetween, are selected to split the single energy level with an upper energy level near the top of the energy wells. The spacing is selected for splitting the single energy level into two energy levels with a difference between levels sufficiently small for detection of infrared radiation of a desired wavelength.
Document ID
19930010198
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Vasquez, Richard P. (Jet Propulsion Lab. California Inst. of Tech., Pasadena., United States)
Date Acquired
August 15, 2013
Publication Date
February 9, 1993
Subject Category
Instrumentation And Photography
Accession Number
93N19387
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-NPO-17543-2-CU|US-PATENT-5,185,647
Patent Application
US-PATENT-APPL-SN-283443|US-PATENT-APPL-SN-562176

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