Optical correlation using a phase-only liquid-crystal-over-silicon spatial light modulator

Autor: R.M. Sillitto, Duncan J. Potter, Michael J. Ranshaw, N. E. Fancey, David G. Vass, Adil O. Al-Chalabi
Rok vydání: 1991
Předmět:
Zdroj: SPIE Proceedings.
ISSN: 0277-786X
DOI: 10.1117/12.49725
Popis: The construction and principle of operation of a liquid-crystal-over an MOS- array spatial light modulator (SLM) is described. Photographs are presented of patterns produced by amplitude-only modulation of monochromatic light by the SLM when used in a coherently illuminated imaging system. Optical Fourier transforms of phase patterns, which reveal the phase variations, are included. The use of the 16 X 16 pixel array as a pure-phase filter is discussed, and the results of correlation experiments are presented.
Databáze: OpenAIRE