期刊
APPLIED SCIENCES-BASEL
卷 5, 期 4, 页码 1064-1075出版社
MDPI
DOI: 10.3390/app5041064
关键词
volume holography; phase gratings; optical storage materials; integrated optics materials; photosensitive materials; polymers
类别
资金
- co:bios foundation
This paper targets an inherent control of optical shrinkage in photosensitive polymers, contributing by means of spatially resolved analysis of volume holographic phase gratings. Point by point scanning of the local material response to the Gaussian intensity distribution of the recording beams is accomplished. Derived information on the local grating period and grating slant is evaluated by mapping of optical shrinkage in the lateral plane as well as through the depth of the layer. The influence of recording intensity, exposure duration and the material viscosity on the Bragg selectivity is investigated.
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