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Proceedings Paper

Liquid crystal blazed grating beam deflector
Author(s): Xu Wang; Daniel W. Wilson; Richard E. Muller; Paul D. Maker; Demetri Psaltis
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Paper Abstract

A multiple-angle liquid crystal blazed grating beam deflector has been developed. It consists of a stack of liquid crystal blazed gratings where each layer can deflect incident light with very high efficiency into one of two different directions depending on the driving condition. Four steering angles (10.8 degrees, 7.2 degrees, 3.6 degrees, 0 degrees) with about 70% diffraction efficiency are demonstrated with 15 V. The device's working principle, design considerations, fabrication process, and characterization results are described.

Paper Details

Date Published: 5 November 1998
PDF: 12 pages
Proc. SPIE 3468, Advanced Optical Memories and Interfaces to Computer Storage, (5 November 1998); doi: 10.1117/12.330436
Show Author Affiliations
Xu Wang, California Institute of Technology (United States)
Daniel W. Wilson, Jet Propulsion Lab. (United States)
Richard E. Muller, Jet Propulsion Lab. (United States)
Paul D. Maker, Jet Propulsion Lab. (United States)
Demetri Psaltis, California Institute of Technology (United States)


Published in SPIE Proceedings Vol. 3468:
Advanced Optical Memories and Interfaces to Computer Storage
Pericles A. Mitkas; Zameer U. Hasan, Editor(s)

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