&lt;title&gt;Phase encoded versus intensity encoded inputs to optical correlators&lt;/title&gt;

McClain, John L.; Gregory, Don A.

doi:10.1117/12.205802

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1996

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“…It has also been shown that the Fourier transform that appears at the dc term of the array of transforms is independent of the pixelization of the device. 3 In the technique presented here, the clear aperture defined by the LCTV panel, and the displayed scene are the only terms in the LCTV's transmission function that are needed to determine modulator phase information. A suitable test function, however, must be chosen as input to the device.…”

Section: Theorymentioning

confidence: 99%

Spatial light modulator phase depth determination from optical diffraction information

et al. 1996

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A noninterferometric technique is presented for determining the phase modulating characteristics of spatial light modulators. Examining the far-field diffraction pattern intensity distribution for specific input functions enables the phase modulation to be calculated. Results are compared with usual interferometric techniques for a liquid crystal based modulator. © 1996 Society of Photo-Optical Instrumentation Engineers.

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Section: Theorymentioning

confidence: 99%