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Photopolymerization-Induced Two-Beam Coupling and Light-Induced Scattering in Polymethyl Methacrylate |
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| Authors: | LI Wei ZHANG Xin-Zheng SHI Yan-Li XU Jing-Jun QIAO Hai-Jun WU Qiang Romano A. Rupp LOU Ci-Bo WANG Zhen-Hua GAO Feng TANG Bai-Quan Christian Pruner |
| Affiliation: | The Key Laboratory of Weak-Light Nonlinear Photonics (Ministry of Education), Institute of Physics and TEDA Applied Physics School, Nankai University, Tianjin 300457Physics Faculty, Nonlinear Physics, University of Vienna, A-1090 Wien, European Union |
| Abstract: | Light amplification due to two-beam coupling is realized in doped polymethyl methacrylate (PMMA) glasses. A coupling gain as large as 14cm-1 is obtained. The dynamic behaviour of absorption and light-induced scattering due to the process of photopolymerization are also studied. The results show that the amplification and its dynamic process enable possible applications of PMMA in optical devices. |
| Keywords: | 41.20.Jb 42.70.Jk |
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