Lensless theta decoder

P. Andres; Jorge Ojeda-Castaneda; J. Ibarra

doi:10.1364/OAM.1986.THL6

Annual Meeting Optical Society of America
Technical Digest Series (Optica Publishing Group, 1986),
paper THL6
•https://doi.org/10.1364/OAM.1986.THL6

Lensless theta decoder

P. Andres, Jorge Ojeda-Castaneda, and J. Ibarra

OSA Annual Meeting 1986

Seattle, Washington United States
19–25 October 1986
ISBN:

From the session
Information Processing: 3 (THL)

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P. Andres, J. Ojeda-Castaneda, and J. Ibarra, "Lensless theta decoder," in Annual Meeting Optical Society of America, Technical Digest Series (Optica Publishing Group, 1986), paper THL6.

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Abstract

The self-imaging phenomenon offers the possibility of implementing simple yet versatile optical processors. For example, it can be used for setting economical interferometers, or simple spectroscopes, and lensless spatial filters, or for performing optical correlations, and for implementing optical synthesizers. We suggest a method based on the Lau effect¹ for decoding pictures that are theta-modulated.²

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