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Proceedings Paper

Holographic grating recorded in photopolymer composed of photosensitive polymer binder
Author(s): Dong Hoon Choi; Dejun Feng; Hanna Yoon; Suk-Ho Choi
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Paper Abstract

Diffraction holographic grating is recorded by two beam coupling method successfully. Two kinds of film samples are prepared. The dynamic behaviors of the diffraction grating with the change of the exposure intensity are studied in detail. In a certain range, the diffraction efficiency will increase with the increase of pump beam intensities. The first order diffraction efficiency is 3 % for Dupont photopolymer and 10 % for our new PVA binder photopolymer formula in our experiments. The influence of the UV curing on the diffraction grating when the diffraction efficiency becomes stable is also studied. The trend of variation of the diffraction efficiency under UV curing is decreasing and becomes stable at a lower value. The dynamic development of the holographic grating with the change of temperature that is from 24 C to 100 C is studied and some interesting results are gotten. The actual period of the grating is about 2.0 um according to the AFM profiles and the theoretical value is 1.92 um .

Paper Details

Date Published: 16 September 2002
PDF: 10 pages
Proc. SPIE 4929, Optical Information Processing Technology, (16 September 2002); doi: 10.1117/12.483217
Show Author Affiliations
Dong Hoon Choi, Kyung Hee Univ. (South Korea)
Dejun Feng, Kyung Hee Univ. (South Korea)
Hanna Yoon, Kyung Hee Univ. (South Korea)
Suk-Ho Choi, Kyung Hee Univ. (South Korea)

Published in SPIE Proceedings Vol. 4929:
Optical Information Processing Technology
Guoguang Mu; Francis T. S. Yu; Suganda Jutamulia, Editor(s)

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