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Optical Engineering

Optimal binary phase and amplitude correlation filters for polarization-rotating spatial light modulators
Author(s): John D. Downie
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Paper Abstract

We investigate the optimal designs of binary phase and amplitude filters (BPAF5) for the key correlation metrics of peak intensity, peak-to-correlation energy, SNR, and discrimination. These filters may be implemented on binary polarization-rotating spatial light modulators. We present simulation results comparing performance to conventional binary phase-only filters (BPOFs) and illustrating trade-offs between the different performance criteria in terms of the filter design parameter. We also extend the generalization to three-level phase and amplitude filters with a nonzero region of support and demonstrate that optimal three-level BPAFs can provide clearly superior performance to optimal three-level BPOFs.

Paper Details

Date Published: 1 August 1993
PDF: 11 pages
Opt. Eng. 32(8) doi: 10.1117/12.145602
Published in: Optical Engineering Volume 32, Issue 8
Show Author Affiliations
John D. Downie, NASA Ames Research Ctr. (United States)


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