Abstract

Binary phase-only filters have considerable potential for use in optical correlation systems. However, simple correlation systems using these filters can give false correlation peaks and suffer from inherent noise. We describe a method by which these problems can be overcome by combining the results of sine and cosine binary phase-only correlations and demonstrate it by numerical simulation. Some problems of realizing the method in practice are also discussed.

© 1988 Optical Society of America

Design elements of binary phase-only correlation filters

David L. Flannery, John S. Loomis, and Mary E. Milkovich
Appl. Opt. 27(20) 4231-4235 (1988)

Optical correlator performance of binary phase-only filters using Fourier and Hartley transforms

Don M. Cottrell, Roger A. Lilly, Jeffrey A. Davis, and Timothy Day
Appl. Opt. 26(18) 3755-3761 (1987)

Optical binary phase-only filters for circular harmonic correlations

Luc Leclerc, Yunlong Sheng, and Henry H. Arsenault
Appl. Opt. 30(32) 4643-4649 (1991)

Bandwidth considerations for binary phase-only filters

Fred M. Dickey, K. Terry Stalker, and J. Jeff Mason
Appl. Opt. 27(18) 3811-3818 (1988)

Optimal binary phase-only matched filters

Michael W. Farn and Joseph W. Goodman
Appl. Opt. 27(21) 4431-4437 (1988)