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Photopolymerization-Induced Two-Beam Coupling and Light-Induced Scattering in Polymethyl Methacrylate |
| LI Wei1, ZHANG Xin-Zheng1, SHI Yan-Li1, XU Jing-Jun1, QIAO Hai-Jun1, WU Qiang1, Romano A. Rupp 1,2, LOU Ci-Bo1, WANG Zhen-Hua1, GAO Feng1, TANG Bai-Quan1, Christian Pruner2 |
| 1The Key Laboratory of Weak-Light Nonlinear Photonics (Ministry of Education), Institute of Physics and TEDA Applied Physics School, Nankai University, Tianjin 3004572Physics Faculty, Nonlinear Physics, University of Vienna, A-1090 Wien, European Union |
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| Cite this article: |
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LI Wei, ZHANG Xin-Zheng, SHI Yan-Li et al 2008 Chin. Phys. Lett. 25 2857-2859 |
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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.
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| Keywords:
41.20.Jb
42.70.Jk
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Received: 19 October 2007
Published: 25 July 2008
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| PACS: |
41.20.Jb
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(Electromagnetic wave propagation; radiowave propagation)
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42.70.Jk
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(Polymers and organics)
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