Liquid crystal blazed grating beam deflector

Xu Wang; Daniel W. Wilson; Richard E. Muller; Paul D. Maker; Demetri Psaltis

doi:10.1117/12.330436

5 November 1998 Liquid crystal blazed grating beam deflector

Xu Wang, Daniel W. Wilson, Richard E. Muller, Paul D. Maker, Demetri Psaltis

Proceedings Volume 3468, Advanced Optical Memories and Interfaces to Computer Storage; (1998) https://doi.org/10.1117/12.330436
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

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.

Citation Download Citation

Xu Wang, Daniel W. Wilson, Richard E. Muller, Paul D. Maker, and Demetri Psaltis "Liquid crystal blazed grating beam deflector", Proc. SPIE 3468, Advanced Optical Memories and Interfaces to Computer Storage, (5 November 1998); https://doi.org/10.1117/12.330436

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