Real-time quantized phase-only filters generation on Epson liquid crystal TV

Christophe Gorecki; Ignacio Soriano Moreno; Juan Carlos Campos Rubio; Maria Josefa Yzuel; Katarzyna Chalasinska-Macukow

doi:10.1117/12.187275

29 September 1994 Real-time quantized phase-only filters generation on Epson liquid crystal TV

Christophe Gorecki, Ignacio Soriano Moreno, Juan Carlos Campos Rubio, Maria Josefa Yzuel, Katarzyna Chalasinska-Macukow

Proceedings Volume 2297, Photonics for Processors, Neural Networks, and Memories II; (1994) https://doi.org/10.1117/12.187275
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

Epson LCTV has been used as a phase only filter in a correlation set up for pattern recognition. The phase modulation of Epson has been measured using a Mach-Zehnder interferometer. We implement the phase only filter on the liquid crystal using different levels of quantization in the phase. We compare the impulse response and the correlation results obtained with this filter with different levels of quantization. Finally we compare the results with those obtained using high resolution techniques as lithography to produce computer generated holograms.

Citation Download Citation

Christophe Gorecki, Ignacio Soriano Moreno, Juan Carlos Campos Rubio, Maria Josefa Yzuel, and Katarzyna Chalasinska-Macukow "Real-time quantized phase-only filters generation on Epson liquid crystal TV", Proc. SPIE 2297, Photonics for Processors, Neural Networks, and Memories II, (29 September 1994); https://doi.org/10.1117/12.187275

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