Performance Enhancement of Long Period Fiber Gratings for Strain and Temperature Sensing (Special Issue on Optical Fiber Sensors)
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概要
- 論文の詳細を見る
We will discuss performance optimization of strain and temperature sensors based on long period fiber gratings (LPFGs) through control of the temperature sensitivity of the resonant peak shifts. Distinction between the effects of strain and temperature is a major concern for applications to communication and sensing. This was achieved in this work by suppressing or enhancing the temperature sensitivity by adjusting the doping concentrations of GeO_2 and B_2O_3 in the core or cladding. The LPFGs were fabricated with a CO_2 laser by the mechanical stress relaxation and microbending methods. The optimized temperature sensitivities were 0.002nm / ℃ for the suppressed case and 0.28nm / ℃ for the enhanced case, respectively. These LPFGs were used for simultaneous measurement of strain and temperature. The result indicated the rms errors of 23 μstrain for the strain and 1.3℃ for the temperature.
- 社団法人電子情報通信学会の論文
- 2000-03-25
著者
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Kim Chang-seok
Access Network Laboratory Korea Telecom
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CHUNG Youngjoo
the Department of Information and Communications, Kwangju Institute of Science and Technology
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PAEK Un-Chul
the Department of Information and Communications, Kwangju Institute of Science and Technology
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Paek Un-chul
The Department Of Information And Communications Kwangju Institute Of Science And Technology
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Chung Youngjoo
The Department Of Information And Communications Kwangju Institute Of Science And Technology
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HAN Younggeun
the Department of Information and Communications, Kwangju Institute of Science and Technology
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Han Younggeun
The Department Of Information And Communications Kwangju Institute Of Science And Technology
関連論文
- Temperature Sensor Based on Self-Interference of a Single Long-Period Fiber Grating (Special Issue on Optical Fiber Sensors)
- Non-contact Technique of Optical Fiber Coating Removal with Hot Air Stream
- Performance Enhancement of Long Period Fiber Gratings for Strain and Temperature Sensing (Special Issue on Optical Fiber Sensors)