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Chinese Physics, 2004, Vol. 13(9): 1428-1431    DOI: 10.1088/1009-1963/13/9/011
CLASSICAL AREAS OF PHENOMENOLOGY Prev   Next  

Holographic grating formation in dry photopolymer film with shrinkage

Luo Shou-Jun (骆守俊)a, Liu Guo-Dong (刘国栋)a, He Qing-Sheng (何庆声)a, Wu Min-Xian (邬敏贤)a, Jin Guo-Fan (金国藩)a, Shi Meng-Quan (施盟泉)b, Wang Tao (王涛)b, Wu Fei-Peng (吴飞鹏)b
a State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084, China; b Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100101, China
Abstract  An important issue in developing applications for photopolymers in holography is the effect of shrinkage on recording properties. In this paper, we introduce a model to describe real-time formation of a single grating in photopolymers at any geometrical angle, under the assumption that the shrinkage is in proportion to the polymerization. This model combines polymerization kinetics with the coupled-wave theory, explaining the shrinkage effect on the diffraction efficiency. The model is validated by comparing its predictions with the experimental results for a film of 99μm thickness.
Keywords:  photopolymer      holographic grating      shrinkage  
Received:  22 December 2003      Revised:  28 April 2004      Accepted manuscript online: 
PACS:  42.40.Eq (Holographic optical elements; holographic gratings)  
  42.40.Ht (Hologram recording and readout methods)  
  78.66.Qn (Polymers; organic compounds)  
  42.70.Jk (Polymers and organics)  
  42.70.Ln (Holographic recording materials; optical storage media)  
Fund: Project supported by the State Key Development Programme for Based Research of China (Grant No G1999033001), and the National Natural Science Foundation of China (Grant No 60277011).

Cite this article: 

Luo Shou-Jun (骆守俊), Liu Guo-Dong (刘国栋), He Qing-Sheng (何庆声), Wu Min-Xian (邬敏贤), Jin Guo-Fan (金国藩), Shi Meng-Quan (施盟泉), Wang Tao (王涛), Wu Fei-Peng (吴飞鹏) Holographic grating formation in dry photopolymer film with shrinkage 2004 Chinese Physics 13 1428

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