Diffraction analysis of  fiber array phase modulator for wavefront aberration control and agile beam steering and tracking

Lewis F. DeSandre; Mark T. Gruneisen

doi:10.1117/12.503921

11 December 2003 Diffraction analysis of fiber array phase modulator for wavefront aberration control and agile beam steering and tracking

Lewis F. DeSandre, Mark T. Gruneisen

Author Affiliations +

Proceedings Volume 5162, Advanced Wavefront Control: Methods, Devices, and Applications; (2003) https://doi.org/10.1117/12.503921
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Conventional beam steering for optical sensors is mechanically complex, consisting of a large number of optical and mechanical components. Steering the field of view requires large and heavy gimbal components. One approach to non-mechanical beam steering consists of a phase-modulated optical fiber array. Agile beam steering of optical radiation using fiber arrays offer significant advantages, such as weight, stability, speed and power requirements, over conventional beam steering systems based on large optics telescopes and gimbals. This paper represents an analysis of an agile beam steering system incorporating a fiber array and phase modulator to continually track a moving object. Expressions and modeling of the far-field beam pattern and off-axis beam steering efficiency are presented.

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Lewis F. DeSandre and Mark T. Gruneisen "Diffraction analysis of fiber array phase modulator for wavefront aberration control and agile beam steering and tracking", Proc. SPIE 5162, Advanced Wavefront Control: Methods, Devices, and Applications, (11 December 2003); https://doi.org/10.1117/12.503921

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