Broadband beam steering

Jay E. Stockley; Steven A. Serati; Gary D. Sharp; Ping Wang; Ken F. Walsh; Kristina M. Johnson

doi:10.1117/12.277739

7 July 1997 Broadband beam steering

Jay E. Stockley, Steven A. Serati, Gary D. Sharp, Ping Wang, Ken F. Walsh, Kristina M. Johnson

Proceedings Volume 3131, Optical Scanning Systems: Design and Applications; (1997) https://doi.org/10.1117/12.277739
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

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.

Citation Download Citation

Jay E. Stockley, Steven A. Serati, Gary D. Sharp, Ping Wang, Ken F. Walsh, and Kristina M. Johnson "Broadband beam steering", Proc. SPIE 3131, Optical Scanning Systems: Design and Applications, (7 July 1997); https://doi.org/10.1117/12.277739

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