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Proceedings Paper

Holographic Beamformer Designed By An Iterative Technique
Author(s): M. T. Eismann; A. M. Tai; J. N. Cederquist
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Paper Abstract

A fundamentally energy efficient, two element holographic beamformer for converting a Gaussian beam into a rectangular uniform beam in the far-field was designed, fabricated, and tested. The design method is based on a modification of the Gerchberg-Saxton iterative Fourier transform algorithm to include an x-y separability constraint on the phase of one of the holographic elements. This modification gave a design with improved beamforming performance. The two required holographic elements were fabricated using a combination of optical and computer-generation techniques. The experimental results verify the effectiveness of the design approach.

Paper Details

Date Published: 6 May 1989
PDF: 9 pages
Proc. SPIE 1052, Holographic Optics: Optically and Computer Generated, (6 May 1989); doi: 10.1117/12.951481
Show Author Affiliations
M. T. Eismann, Environmental Research Institute of Michigan (United States)
A. M. Tai, Environmental Research Institute of Michigan (United States)
J. N. Cederquist, Environmental Research Institute of Michigan (United States)


Published in SPIE Proceedings Vol. 1052:
Holographic Optics: Optically and Computer Generated
Ivan Cindrich; Sing H. Lee, Editor(s)

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