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Proceedings Paper

Broadband beam steering
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Paper Abstract

A solid-state broad band beam deflector is described. This non-mechanical system steers spatially coherent broad band light to a common location in the far field. The components include a liquid crystal grating and achromatic Fourier transformer. The liquid crystal grating employs a polarization modulation scheme which produces a wavelength independent phase shift. The achromatic Fourier transformer eliminates grating dispersion. The modulation theory for the liquid crystal grating is introduced. Observations of the far field patterns for white light illumination of a binary liquid crystal grating and the design for the achromatic Fourier transformer are presented. Future research, including mid- infrared implementation is discussed.

Paper Details

Date Published: 7 July 1997
PDF: 13 pages
Proc. SPIE 3131, Optical Scanning Systems: Design and Applications, (7 July 1997); doi: 10.1117/12.277739
Show Author Affiliations
Jay E. Stockley, Univ. of Colorado/Boulder (United States)
Steven A. Serati, Boulder Nonlinear Systems, Inc. (United States)
Gary D. Sharp, Boulder Nonlinear Systems, Inc. (United States)
Ping Wang, Boulder Nonlinear Systems, Inc. (United States)
Ken F. Walsh, Rochester Photonics Corp. (United States)
Kristina M. Johnson, Univ. of Colorado/Boulder (United States)


Published in SPIE Proceedings Vol. 3131:
Optical Scanning Systems: Design and Applications
Leo Beiser; Stephen F. Sagan, Editor(s)

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