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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 35 — Dec. 10, 2001
  • pp: 6425–6438

Free-space wavelength-multiplexed optical scanner

Zahid Yaqoob, Azhar A. Rizvi, and Nabeel A. Riza  »View Author Affiliations


Applied Optics, Vol. 40, Issue 35, pp. 6425-6438 (2001)
http://dx.doi.org/10.1364/AO.40.006425


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Abstract

A wavelength-multiplexed optical scanning scheme is proposed for deflecting a free-space optical beam by selection of the wavelength of the light incident on a wavelength-dispersive optical element. With fast tunable lasers or optical filters, this scanner features microsecond domain scan setting speeds and large- diameter apertures of several centimeters or more for subdegree angular scans. Analysis performed indicates an optimum scan range for a given diffraction order and grating period. Limitations include beam-spreading effects based on the varying scanner aperture sizes and the instantaneous information bandwidth of the data-carrying laser beam.

© 2001 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings

History
Original Manuscript: March 30, 2001
Revised Manuscript: July 10, 2001
Published: December 10, 2001

Citation
Zahid Yaqoob, Azhar A. Rizvi, and Nabeel A. Riza, "Free-space wavelength-multiplexed optical scanner," Appl. Opt. 40, 6425-6438 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-35-6425

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