Abstract

We describe the implementation of a scale-invariant binary phase-only matched filter using a 128 × 128 ferroelectric spatial light modulator. A 5-dB discrimination was obtained between a 10-image training set of highly correlated characters (E’s and F’s) over a scale range of 1.0 to 1.5.

© 1994 Optical Society of America

Scale-invariant optical correlators using ferroelectric liquid-crystal spatial light modulators

T. D. Wilkinson, Y. Petillot, R. J. Mears, and J. L. de Bougrenet de la Tocnaye
Appl. Opt. 34(11) 1885-1890 (1995)

Real-time binary phase holograms on a reflective ferroelectric liquid-crystal spatial light modulator

J. Gourlay, S. Samus, P. McOwan, D. G. Vass, I. Underwood, and M. Worboys
Appl. Opt. 33(35) 8251-8254 (1994)

Dynamic holographic interconnects that use ferroelectric liquid-crystal spatial light modulators

D. C. O’Brien, R. J. Mears, T. D. Wilkinson, and W. A. Crossland
Appl. Opt. 33(14) 2795-2803 (1994)

Fractional Talbot four-level phase-only holograms using ferroelectric liquid-crystal spatial light modulators

H. Hamam and J. L. de Bougrenet de la Tocnaye
Opt. Lett. 19(20) 1654-1656 (1994)

Object-binarized phase-only matched filtering with dual liquid-crystal spatial light modulators

Takeshi Takahashi and Yukihiro Ishii
Appl. Opt. 36(5) 1073-1085 (1997)