Phase diffraction grating for the integral transforms of coherent light fields

Eveline Balashova; M. Neofitnyi; V. Svich

doi:10.1117/12.140341

24 April 1992 Phase diffraction grating for the integral transforms of coherent light fields

Eveline Balashova, M. Neofitnyi, V. Svich

Proceedings Volume 1731, Soviet-Chinese Joint Seminar on Holography and Optical Information Processing; (1992) https://doi.org/10.1117/12.140341
Event: Soviet-Chinese Joint Seminar on Holography and Optical Information Processing, 1991, Bishkek, Kirgizstan, Russian Federation

Abstract

The possibility of fulfilling integral transforms of coherent light fields by phase diffraction gratings was studied. To realize the family of Hilbert integral transforms in a prescribed diffraction order, a binary grating consisting of two parts of equal width but different cross size-to-period ratios of rectangular grooves was suggested. Grating geometries permitting the Hilbert transform with the maximum intensity concentration to be performed in a given diffraction order were described. The mapping effect of the integral beam images in Fresnel zones of the suggested phase gratings was discovered. The observation conditions and possible ways of using the effect are also outlined.

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Eveline Balashova, M. Neofitnyi, and V. Svich "Phase diffraction grating for the integral transforms of coherent light fields", Proc. SPIE 1731, Soviet-Chinese Joint Seminar on Holography and Optical Information Processing, (24 April 1992); https://doi.org/10.1117/12.140341

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KEYWORDS

Diffraction gratings

Diffraction

Integral transforms

Lenses

Binary data

Computing systems

Fourier transforms

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