Wavelength Division Multiplexed Fiber Bragg Grating Vibration Sensor Array with Temperature Compensation
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概要
- 論文の詳細を見る
We have developed a novel method of wavelength division multiplexed operation of thermally stabilized fiber Bragg grating (FBG) vibration sensors in that simultaneous multipoint vibration detection with a temperature-insensitive operation can be achieved. One of the sensing elements of the arrayed sensors consists of a pair of FBGs, one is used for providing a narrow-spectrum light from a broad-spectrum incoherent optical source and the other is used for vibration sensing. The paired FBG configuration enables us to compensate the temperature effects that are commonly applied to the FBGs used. In the experiment, two sensing elements are arranged in tandem and the detection of simultaneous two-point multiple vibrations and the measurement of an elastic wave propagating in a metal bar are demonstrated.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2006-05-30
著者
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Yokosuka Hiroki
Department Of Communications Engineering National Defense Academy
-
Takahashi Nobuaki
Department Of Applied Physics National Defense Academy
-
Tanaka Satoshi
Department Of Agricultural Chemistry Faculty Of Agriculture Tottori University
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Tanaka Satoshi
Department of Communications Engineering, National Defense Academy, Yokosuka, Kanagawa 239-8686, Japan
-
Yokosuka Hiroki
Department of Communications Engineering, National Defense Academy, Yokosuka, Kanagawa 239-8686, Japan
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Inamoto Kiyoyuki
Department of Communications Engineering, National Defense Academy, Yokosuka, Kanagawa 239-8686, Japan
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