Effects of SLM transmissive dead zones on optical correlation

Peter D. Gianino; Joseph L. Horner; Charles L. Woods

doi:10.1117/12.23413

27 December 1990 Effects of SLM transmissive dead zones on optical correlation

Peter D. Gianino, Joseph L. Horner, Charles L. Woods

Proceedings Volume 1347, Optical Information Processing Systems and Architectures II; (1990) https://doi.org/10.1117/12.23413
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

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.

Citation Download Citation

Peter D. Gianino, Joseph L. Horner, and Charles L. Woods "Effects of SLM transmissive dead zones on optical correlation", Proc. SPIE 1347, Optical Information Processing Systems and Architectures II, (27 December 1990); https://doi.org/10.1117/12.23413

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