用于布拉格光栅应变传感器的啁啾光纤光栅查询器

2002 15th Optical Fiber Sensors Conference Technical Digest. OFS 2002(Cat. No.02EX533) Pub Date : 2002-05-10 DOI:10.1109/OFS.2002.1000543

A. Chtcherbakov, P. Swart

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引用次数: 1

摘要

我们提出了一种用于均匀布拉格光栅传感器的啁啾布拉格光栅询问器。传感光栅反射的光的波长是应变的函数。光从啁啾布拉格门控反射的位置是其波长的函数。我们通过调幅光源和测量反射光的相位来确定这个位置，从而确定应变的值。

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Chirped fiber optic Bragg grating interrogator for a Bragg grating strain sensor

We propose a chirped Bragg grating interrogator for a uniform Bragg grating sensor. The wavelength of light reflected by the sensing grating is a function of strain. The position within the chirped Bragg gating the light is reflected from is a function of its wavelength. We determine this position by amplitude modulating the light source and measuring the phase of the reflected light and thus determine the value of the strain.

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2002 15th Optical Fiber Sensors Conference Technical Digest. OFS 2002(Cat. No.02EX533)

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