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Radiation Effects on Fiber Bragg Grating Sensors Written in UV KrF Laser Process Condition
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 Title & Authors
Radiation Effects on Fiber Bragg Grating Sensors Written in UV KrF Laser Process Condition
Kim, Jong-Yeol; Lee, Nam-Ho; Jung, Hyun-Kyu;
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We studied the effect of gamma-radiation on the FBGs by a variation of grating the fabrication parameters. The FBGs were fabricated in a different UV KrF laser intensity using the same boron co-doped photo-sensitive fiber and exposed to gamma-radiation up to a dose of 33.8 kGy. According to the experimental data and analysis results, We confirmed that the laser intensity for grating inscription has a highly effect on the radiation sensitivity of the FBGs and the radiation-induced Bragg wavelength shift by the change of laser process condition showed a difference more than about 30 %.
Fiber Bragg gratings;Gamma radiation;Optical fiber sensor;Radiation effect;Photo-sensitive fiber;
 Cited by
UV 레이저 노출조건에 따른 FBG 센서의 방사선 영향,김종열;이남호;정현규;

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