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Published on: June 30, 2018
Study on PQ/PMMA Photopolymer Films Fabricated by Solvent Casting
Yu-Hsiang Hsieh1, Yung-Cheng Cheng1, Te-Yuan Chung1
1Department of Optics and Photonics, National Central University, No. 300 Chungda Rd., Chungli District, Taoyuan City, Taiwan 32001.
Abstract:
PQ/PMMA photopolymer films fabricated by solvent casting are realized using tetrahydrofuran (THF) as the solvent. The corresponding photochemical reaction model is established with material parameters numerically studied based on 57 samples recorded with a 532 nm laser. The fabrication and the recording time are noticeably reduced. A 2-fold increase in the average refractive index variation is achieved compared with the two-step thermal polymerization method with the same PQ initial concentration.
