21 October 2003 Photorefractive spectrum-enhanced processing by two-wave mixing in a phase-only filter
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Abstract
Enhanced spectra of an object in high-frequency components by a photorefractive BaTiO3 two-wave mixing are image on a phase-only filter of a reference object displayed by a liquid-crystal spatial phase modulator. Enhanced preprocessing of an object with phase-only filtering can be achieved a good discrimination ability. The experiments with the system are shown.
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Yukihiro Ishii, Yukihiro Ishii, Takeshi Takahashi, Takeshi Takahashi, } "Photorefractive spectrum-enhanced processing by two-wave mixing in a phase-only filter", Proc. SPIE 5206, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IX, (21 October 2003); doi: 10.1117/12.508124; https://doi.org/10.1117/12.508124
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