Incoherent Optical Image Processing - Theory

Steven Cartwright

doi:10.1117/12.936124

15 April 1983 Incoherent Optical Image Processing - Theory

Steven Cartwright

Proceedings Volume 0422, 10th Intl Optical Computing Conf; (1983) https://doi.org/10.1117/12.936124
Event: 10th International Optical Computing Conference, 1983, Cambridge, United States

Abstract

Incoherent optical processing may be anal-yzed by use of the cross-spectral density function, which gives the coherence as a function of wavelength. The cross-spectral density function may be propagated through a general optical system to yield the intensity in the final plane. Analysis of a specific optical processing system shows the effects of component placement, lens aberrations, and illumination bandwidth. In particular, the use of a grating in the input plane introduces a coherence function that allows the optical processing function to take place. Through this key, we may tie together a method of optical processing, a method of image subtraction, and the Lau Effect.

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Steven Cartwright "Incoherent Optical Image Processing - Theory", Proc. SPIE 0422, 10th Intl Optical Computing Conf, (15 April 1983); https://doi.org/10.1117/12.936124

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KEYWORDS

Optical signal processing

Fourier transforms

Argon

Image processing

Optical transfer functions

Optical filters

Transparency

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