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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 8 — Mar. 10, 2003
  • pp: 1493–1502

Code-multiplexed optical scanner

Nabeel A. Riza and Muzammil A. Arain  »View Author Affiliations


Applied Optics, Vol. 42, Issue 8, pp. 1493-1502 (2003)
http://dx.doi.org/10.1364/AO.42.001493


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Abstract

A three-dimensional (3-D) optical-scanning technique is proposed based on spatial optical phase code activation on an input beam. This code-multiplexed optical scanner (C-MOS) relies on holographically stored 3-D beam-forming information. Proof-of-concept C-MOS experimental results by use of a photorefractive crystal as a holographic medium generates eight beams representing a basic 3-D voxel element generated via a binary-code matrix of the Hadamard type. The experiment demonstrates the C-MOS features of no moving parts, beam-forming flexibility, and large centimeter-size apertures. A novel application of the C-MOS as an optical security lock is highlighted.

© 2003 Optical Society of America

OCIS Codes
(090.4220) Holography : Multiplex holography
(120.5800) Instrumentation, measurement, and metrology : Scanners

Citation
Nabeel A. Riza and Muzammil A. Arain, "Code-Multiplexed Optical Scanner," Appl. Opt. 42, 1493-1502 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-8-1493

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