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Proceedings Paper

Influence of temperature on holographic gratings fabricated in photopolymer
Author(s): Dejun Feng
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Paper Abstract

Through a two laser beams interference method, holographic gratings were successfully fabricated in Polyacrylic Acid binder photopolymer (PAA). The real-time dynamic fabrication process of the grating was monitored by a He-Ne laser which was used as the probe light. During the heat treatment process of grating, the refractive index modulation and hence the diffraction efficiency will change. Firstly, the gratings were fabricated under different temperature; secondly, the dynamic change of diffraction efficiency of holographic grating with temperature was investigated just after fabricating it at room temperature. The change range of temperature in experiments was from 25°C to 100°C. We found there was one optimal temperature value for each kind of photopolymer. The surface topographical change of Photopolymer film was also investigated by atomic force microscope(AFM). The results and concerned discussion will help to design and synthesize the highly functional Photopolymer that can show better environmental stability.

Paper Details

Date Published: 4 January 2008
PDF: 5 pages
Proc. SPIE 6837, Information Optics and Photonics Technologies II, 683717 (4 January 2008); doi: 10.1117/12.757066
Show Author Affiliations
Dejun Feng, Shandong Univ. (China)

Published in SPIE Proceedings Vol. 6837:
Information Optics and Photonics Technologies II
Guoguang Mu; Feijun Song; Francis T. S. Yu; Suganda Jutamulia, Editor(s)

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