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Proceedings Paper

Effects of SLM transmissive dead zones on optical correlation
Author(s): Peter D. Gianino; Joseph L. Horner; Charles L. Woods
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Paper Abstract

The inactive areas of certain pixellated SLMs are transmissive rather than opaque, while their active areas modulate the optical phase or amplitude. Computer simulations of optical correlators are made for a continuous-input SLM and a filter SLM implementing either a classical matched, phase-only, or binary phase-only filter. The correlation peak and signal-to-noise ratio are studied as a function of dead-zone area in both the input and filter SLMs. These results are compared with those obtained from correlators whose SLMs have only opaque dead zones.

Paper Details

Date Published: 27 December 1990
PDF: 7 pages
Proc. SPIE 1347, Optical Information Processing Systems and Architectures II, (27 December 1990); doi: 10.1117/12.23413
Show Author Affiliations
Peter D. Gianino, Rome Air Development Ctr. (United States)
Joseph L. Horner, Rome Air Development Ctr. (United States)
Charles L. Woods, Rome Air Development Ctr. (United States)


Published in SPIE Proceedings Vol. 1347:
Optical Information Processing Systems and Architectures II
Bahram Javidi, Editor(s)

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