Diffraction efficiency of thin film holographic beam steering devices

Charles M. Titus; John Pouch; Hung D. Nguyen; Felix Miranda; Philip J. Bos

doi:10.1117/12.453891

6 November 2002 Diffraction efficiency of thin film holographic beam steering devices

Charles M. Titus, John Pouch, Hung D. Nguyen, Felix Miranda, Philip J. Bos

Proceedings Volume 4825, High-Resolution Wavefront Control: Methods, Devices, and Applications IV; (2002) https://doi.org/10.1117/12.453891
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

Dynamic holography has been demonstrated as a method for correction aberrations in space deployable optics, and can also be used to achieve high-resolution beam steering in the same environment. In this paper we consider some of the factors affecting the efficiency of these devices. Specifically, the effect on the efficiency of a highly collimated beam from the number of discrete phase steps per period on steering resolution is also considered. We also present some results of Finite-Difference Time-Domain (FDTD) calculations of light propagating through liquid crystal blazed gratings. Liquid crystal gratings are shown to spatially modulate both phase and amplitude of propagating light.

Citation Download Citation

Charles M. Titus, John Pouch, Hung D. Nguyen, Felix Miranda, and Philip J. Bos "Diffraction efficiency of thin film holographic beam steering devices", Proc. SPIE 4825, High-Resolution Wavefront Control: Methods, Devices, and Applications IV, (6 November 2002); https://doi.org/10.1117/12.453891

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