Real-time nonlinear optical correlator in speckle metrology
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説明
In speckle correlation technique, both the specklegram and its Fourier transformed fringe pattern are detected by nonlinear Optic RAM detectors. The speckle correlation is calculated by the nonlinear optical correlator using a phase modulation property of a liquid crystal television. The effects of the binarization for the signals on the diffraction efficiency are discussed theoretically and experimentally.
収録刊行物
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- SPIE Proceedings
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SPIE Proceedings 1564 294-, 1991-11-01
SPIE
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詳細情報 詳細情報について
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- CRID
- 1873679867989661952
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- DOI
- 10.1117/12.49719
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- ISSN
- 0277786X
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- データソース種別
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- OpenAIRE