Abstract

Vernier transform scaling is achieved in a shortened optical correlator by placing the input spatial light modulator (SLM) between the telephoto transform lens pair. Translating the SLM changes the Fourier transform scale but not the position of the transform plane.

© 1990 Optical Society of America

Modified two-focal-length optical correlator

Kenneth H. Fielding, Joseph L. Horner, and Charles K. Makekau
Appl. Opt. 29(29) 4332-4333 (1990)

Joint transform correlation using an optically addressed ferroelectric LC spatial light modulator

Tracy D. Hudson and Don A. Gregory
Appl. Opt. 29(8) 1064-1066 (1990)

Multiple Fourier transform generation for coherent optical correlators

Juris Upatnieks, James O. Abshier, Charles R. Christensen, and John Stensby
Appl. Opt. 29(11) 1589-1590 (1990)

Estimation of the spatial coherence outer scale relevant to long baseline interferometry and imaging in optical astronomy

Julien Borgnino
Appl. Opt. 29(13) 1863-1865 (1990)

Choice of phase in binary phase-only filters for optical image recognition

Myung Soo Kim and Clark C. Guest
Appl. Opt. 29(14) 1997-1997 (1990)