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Infrared predetection dynamic range compression via photorefractive crystalsThe theoretical basis and practical implementation of a predetection dynamic-range compression technique for IR sensor systems are discussed. The approach takes advantage of the nonlinear intensity dependence of the gain coefficient in photorefractive crystals. Its feasibility is demonstrated in numerical computations using the experimental data of Cheng and Partovi (1986) on two-wave mixing in GaAs at 1.15 micron wavelength.
Document ID
19880046344
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Liu, Hua-Kuang (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Cheng, Li-Jen (California Institute of Technology Jet Propulsion Laboratory, Pasadena, United States)
Date Acquired
August 13, 2013
Publication Date
March 15, 1988
Publication Information
Publication: Applied Optics
Volume: 27
ISSN: 0003-6935
Subject Category
Optics
Accession Number
88A33571
Distribution Limits
Public
Copyright
Other

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