高能激光辐照下光纤布拉格光栅响应特性

陶蒙蒙; 杨鹏翎; 刘卫平; 吴勇; 武俊杰; 叶锡生

doi:10.3788/CO.20120505.0544

Volume 5 Issue 5

Oct. 2012

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Chinese Optics > 2012 > 5(5): 544-549.

TAO Meng-meng, YANG Peng-ling, LIU Wei-ping, WU Yong, WU Jun-jie, YE Xi-sheng. Response characteristics of fiber Bragg gratings irradiated by high energy lasers[J]. Chinese Optics, 2012, 5(5): 544-549. doi: 10.3788/CO.20120505.0544

Citation:

TAO Meng-meng, YANG Peng-ling, LIU Wei-ping, WU Yong, WU Jun-jie, YE Xi-sheng. Response characteristics of fiber Bragg gratings irradiated by high energy lasers[J]. Chinese Optics, 2012, 5(5): 544-549. doi: 10.3788/CO.20120505.0544

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Response characteristics of fiber Bragg gratings irradiated by high energy lasers

doi: 10.3788/CO.20120505.0544

State Key Laboratory of Laser Interaction with Matter, Northwest Institute of Nuclear Technology, Xi'an 710024, China

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Author Bio:
TAO Meng-meng(1989-), male, born in Zhoukou, Henan Province. Now he is a master student in Northwest Institute of Nuclear Technology. His research interests are fiber lasers and fiber sensors. E-mail:tonylemon@sina.cn YE Xi-sheng(1967-), male, born in Taixing, Zhejiang Province. He is a research professor in Northwest Institute of Nuclear Technology, and he is the director of the State Key Laboratory of Laser Interaction with Matter. His research interest is laser technology and applications. E-mail:yxschx@yeah.net

TAO Meng-meng(1989-), male, born in Zhoukou, Henan Province. Now he is a master student in Northwest Institute of Nuclear Technology. His research interests are fiber lasers and fiber sensors. E-mail:tonylemon@sina.cn YE Xi-sheng(1967-), male, born in Taixing, Zhejiang Province. He is a research professor in Northwest Institute of Nuclear Technology, and he is the director of the State Key Laboratory of Laser Interaction with Matter. His research interest is laser technology and applications. E-mail:yxschx@yeah.net
Received Date: 21 Jun 2012
Rev Recd Date: 23 Aug 2012
Publish Date: 10 Oct 2012

Abstract

Abstract

The response characteristics of a Fiber Bragg Grating(FBG) irradiated by high energy laser beams are investigated both theoretically and experimentally to explore the possible applications of the FBG to High Energy Laser(HEL) parameter measurements. The thermal response characteristics of the FBG irradiated by HEL beams are obtained by solving the heat transfer equation using certain approximations. The resonance wavelength information of the FBG is recorded with an interrogator. The experimental results show that the maximum resonance wavelength shift of the FBG changes linearly with the irradiating power density within a certain range, which agrees with the results of numerical simulation.
- fiber Bragg grating,
- laser radiation,
- high energy laser,
- response characteristics

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References

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