Study on the holographic characteristics of a red-sensitive photopolymer
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Optics and Photon Technology Institute, School of Physics and Information Optoeletronics, Henan University, Kaifeng 475004, China
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Corresponding author:
HUANG Ming-ju, hmingju@163.com
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Received Date:
2006-03-06
Accepted Date:
2006-05-08
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Abstract
The holographic characteristics of the photopolymer dry film,which is based on acrylic acid and N,N'-methylenebisacrylamide as monomers,was studied by recording the transmission diffraction gratings and carrying out the digital holographic storage.Diffraction efficiency of above 40% and energetic sensitivities of 0.01cm2/mJ was obtained in photosensitive films of 180 μm thickness.The recorded gratings are homogenous without overmodulation and noise gratings.In the terms of the Bragg-mismatch,the thickness shrinkage of 1.7% was obtained with a bit-error rate of about 5.3×10-4.These results show the photopolymer is adaptive to the holographic storage.
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