Smoothing Out a Speckled Holographic Beam Pattern by Scanning of Laser Beam/Hologram

Hwihyeong Lee; Sangwoo Park; Hong Jin Kong

doi:10.1364/ASSL.2013.JTh2A.04

Advanced Solid-State Lasers Congress
OSA Technical Digest (online) (Optica Publishing Group, 2013),
paper JTh2A.04
•https://doi.org/10.1364/ASSL.2013.JTh2A.04

Smoothing Out a Speckled Holographic Beam Pattern by Scanning of Laser Beam/Hologram

Hwihyeong Lee, Sangwoo Park, and Hong Jin Kong

Applications of Lasers for Sensing and Free Space Communications 2013

Paris France
27 October–1 November 2013
ISBN: 978-1-55752-982-4

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Poster Session III (JTh2A)

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H. Lee, S. Park, and H. J. Kong, "Smoothing Out a Speckled Holographic Beam Pattern by Scanning of Laser Beam/Hologram," in Advanced Solid-State Lasers Congress, P. McManamon, . Watson, and O. Steinvall, eds., OSA Technical Digest (online) (Optica Publishing Group, 2013), paper JTh2A.04.

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Abstract

The usual iterative Fourier transform algorithm causes speckles between the sampling points due to its random phase. By laser scanning the tiled holograms, the speckles were smoothed out and speckle-free images were obtained.

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