Chin. Phys. Lett.  2004, Vol. 21 Issue (11): 2252-2254    DOI:
Original Articles |
Analysis of Photosensitivity of Copolymer Optical Fibre Preform
MA Hui1;LI Zeng-Chang2;MING Hai1;ZHANG Qi-Jin2;TAM Hwa-Yaw3;ZHANG Yong-Sheng1;ZHANG Tao1;WANG Pei1;XIE Jian-Ping1
1Department of Physics, University of Science and Technology of China, Hefei 230026 2Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026 3Department of Electrical Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong
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MA Hui, LI Zeng-Chang, MING Hai et al  2004 Chin. Phys. Lett. 21 2252-2254
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Abstract The photosensitivity of copolymer optical fibre preform is analysed in comparison with the doped one. The effects of write conditions such as pump power and pump time have been studied. Then, the preform is drawn into single mode polymer optical fibre with core refractive index of 1.499, and core-cladding refractive-index difference of 0.008. Long-period birefringence gratings with period of 120um are fabricated in the fibre. The duty cycle is 50%, and the refractive index change in the exposed area is about 1×10-3.
Keywords: 71.20.Rv      82.35.Jk      42.81.Gs      42.79.Dj     
Published: 01 November 2004
PACS:  71.20.Rv (Polymers and organic compounds)  
  82.35.Jk (Copolymers, phase transitions, structure)  
  42.81.Gs (Birefringence, polarization)  
  42.79.Dj (Gratings)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2004/V21/I11/02252
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MA Hui
LI Zeng-Chang
MING Hai
ZHANG Qi-Jin
TAM Hwa-Yaw
ZHANG Yong-Sheng
ZHANG Tao
WANG Pei
XIE Jian-Ping
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