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Proceedings Paper

Fabrication of apodized grating in photopolymer using SLM
Author(s): Duc-Dung Do; Junghoi Kim; Nam Kim; Sang-Keun Gil; Kwon-Yeon Lee; Mun Cheol Paek
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Paper Abstract

Fabricating holographic apodized gratings is often impeded by nonlinear property of materials, which makes the resultant profile out of expectation. In this paper, the new scheme to fabricate Gaussian apodized grating is proposed. Instead of fixed Gaussian recording beams, recording beam profiles that can compensate the nonlinear sensitivity of the material at low recording intensities are created by a gray level spatial light modulator (SLM). DuPont’s HRF-150-38 photopolymer is chosen because of its stability and ease to use. As the first result of the experiment, a Gaussian grating of 2.7±0.02mm standard deviation is recorded at 0.3mW/cm2 recording intensity after exposure of 300 seconds.

Paper Details

Date Published: 7 February 2005
PDF: 8 pages
Proc. SPIE 5636, Holography, Diffractive Optics, and Applications II, (7 February 2005); doi: 10.1117/12.578204
Show Author Affiliations
Duc-Dung Do, Chungbuk National Univ. (South Korea)
Junghoi Kim, Chungbuk National Univ. (South Korea)
Nam Kim, Chungbuk National Univ. (South Korea)
Sang-Keun Gil, Suwon Univ. (South Korea)
Kwon-Yeon Lee, Sunchon National Univ. (South Korea)
Mun Cheol Paek, Electronics and Telecommunications Research Institute (South Korea)

Published in SPIE Proceedings Vol. 5636:
Holography, Diffractive Optics, and Applications II
Yunlong Sheng; Dahsiung Hsu; Chongxiu Yu; Byoungho Lee, Editor(s)

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