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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 27, Iss. 14 — Jul. 15, 1988
  • pp: 2915–2921

Array illuminator based on phase contrast

Adolf W. Lohmann, Johannes Schwider, Norbert Streibl, and James Thomas  »View Author Affiliations


Applied Optics, Vol. 27, Issue 14, pp. 2915-2921 (1988)
http://dx.doi.org/10.1364/AO.27.002915


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Abstract

An array illuminator converts a uniformly wide beam losslessly into an array of bright spots. These spots provide the necessary illumination for microcomponents such as optical logic gates or bistable elements. Such elements may serve as devices in a 2-D discrete parallel processor. We propose an array illuminator with a phase grating on its front end. The phase grating is illuminated uniformly and then converted into an amplitude image by means of a phase contrast setup. The bright spots of the amplitude image are to be used for illuminating the array of microdevices of a digital optical computer.

© 1988 Optical Society of America

History
Original Manuscript: November 20, 1987
Published: July 15, 1988

Citation
Adolf W. Lohmann, Johannes Schwider, Norbert Streibl, and James Thomas, "Array illuminator based on phase contrast," Appl. Opt. 27, 2915-2921 (1988)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-27-14-2915

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