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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 7 — Apr. 1, 2003
  • pp: 561–563

Programmable high-speed polarization multiplexed optical scanner

Nabeel A. Riza and Sajjad A. Khan  »View Author Affiliations


Optics Letters, Vol. 28, Issue 7, pp. 561-563 (2003)
http://dx.doi.org/10.1364/OL.28.000561


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Abstract

A fast digital–analog control polarization-based optical scanner with complete three-dimensional beam-forming programmability is described. Its features include low power consumption and large-aperture liquid-crystal-based optics, digital repeatability, and time-multiplexed accurate analog beam forming. Analog frequency and amplitude control of the nematic liquid-crystal beam-former cells permits continuous fine-scan programmability over a 0.66-mrad horizontal deflection, a 0.75 mrad vertical deflection, and an infinity-to-1.84-m focal-length longitudinal scan. First demonstrations included an 8-point volumetric scan and a 2-bit digital lens scan, both at 1310 nm, with a 35-µs random-access time.

© 2003 Optical Society of America

OCIS Codes
(120.5800) Instrumentation, measurement, and metrology : Scanners
(160.3710) Materials : Liquid crystals
(230.5440) Optical devices : Polarization-selective devices

Citation
Nabeel A. Riza and Sajjad A. Khan, "Programmable high-speed polarization multiplexed optical scanner," Opt. Lett. 28, 561-563 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-7-561


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