Novel measurement scheme of peak separation of side-hole fiber grating
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TN2

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    Abstract:

    There are two peaks of different polarizations in the reflection spectrum of the side-hole fiber grating and their separation interval has a linear variation along with the pressure changing while it is insensitive to the temperature. We have proposed a novel measurement scheme based on polarization detection. The detection of peak separation is achieved by measuring the two peaks center wavelengths separately with all polarization maintaining fiber system. The side-hole fiber grating pressure sensing within, the range of 0∼3.5 MPa is realized successfully with the new scheme.

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Zhi-zhong Li, Chong-feng Sun, Chun-yan Cao, Hua-yong Yang, Yong-ming Hu. Novel measurement scheme of peak separation of side-hole fiber grating[J]. Optoelectronics Letters,2006,2(2):109-111

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  • Received:October 14,2005
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