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Proceedings Paper

Application of liquid crystal optically addressed spatial light modulators to the image self-filtration
Author(s): Alexander V. Parfenov
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Paper Abstract

Liquid crystal spatial light modulators (LC SLM) are being applied as input devices in optical data processing systems, optical filters in optical coherent correlators and projection display devices. The methods of self-filtration of image in image and/or Fourier planes, including spectral, nonlinear, and other types of image filtration, are reported here. The methods are established both on high spatial resolution and nonlinearity of optical response to the input optical signal of LC SLM. A few optical schemes for input image self-filtration were experimentally realized with spatial light modulators based on monocrystalline semiconductors (GaAs, BSO, CdZnSeS), combining sensitivity, spatial resolution, and highly nonlinear modulation curve corresponding to most of the electro-optical effects used in LC SLM.

Paper Details

Date Published: 24 April 1995
PDF: 8 pages
Proc. SPIE 2408, Liquid Crystal Materials, Devices, and Displays, (24 April 1995); doi: 10.1117/12.207528
Show Author Affiliations
Alexander V. Parfenov, P.N. Lebedev Physical Institute (Russia)


Published in SPIE Proceedings Vol. 2408:
Liquid Crystal Materials, Devices, and Displays
Ranganathan Shashidhar; Uzi Efron, Editor(s)

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