Measurement of Bragg-wavelength distribution in a long-length fiber Bragg grating with high speed sampling
Measurement of Bragg-wavelength distribution in a long-length fiber Bragg grating with high speed sampling
复制标题
高速采样长光纤布拉格光栅中布拉格波长分布的测量
DOI：
10.1143/apex.2.082401
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发表时间：
2009
影响因子：
2.3
通讯作者：
K. Kajiwara and K. Hotate
中科院分区：
文献类型：
--
作者：
Xu;B.;嶋田義仁;K. Kajiwara and K. Hotate
采用kHz量级的采样率对长光纤布拉格光栅（FBG）中的布拉格波长分布进行了测量。我们还实现了总分布测量的重复率快于1赫兹。所提出的传感系统是基于反射测量技术“光学相干函数的合成”。该系统的优点是具有随机接入、分布式测量和快速询问的能力。在一个长的FBG的两个点，我们已经进行了反射光谱变化的测量时，80 Hz的振动施加到FBG的一部分。
We have performed a measurement of Bragg wavelength distribution in a long-length fiber Bragg grating (FBG) with kHz order sampling rate. We have also realized the total distribution measurement with a repetition rate faster than 1 Hz. The proposed sensing system is based on a reflectometry technique" synthesis of optical coherence function". The advantage of this system is the capability of random access distributed measurement and fast speed interrogation. At two points of a long-length FBG, we have performed the reflection spectrum variation measurement when an 80 Hz vibration is applied to part of the FBG.