Study about the stress sensitivity enhancement of fiber Bragg gratings

FU Hai-wei; FU Jun-mei; QIAO Xue-guang; JIA Zhen-an

LASER TECHNOLOGY > 2005 > 29(2): 159-161.

FU Hai-wei, FU Jun-mei, QIAO Xue-guang, JIA Zhen-an. Study about the stress sensitivity enhancement of fiber Bragg gratings[J]. LASER TECHNOLOGY, 2005, 29(2): 159-161.

Citation:

FU Hai-wei, FU Jun-mei, QIAO Xue-guang, JIA Zhen-an. Study about the stress sensitivity enhancement of fiber Bragg gratings[J]. LASER TECHNOLOGY, 2005, 29(2): 159-161.

Citation:

FU Hai-wei, FU Jun-mei, QIAO Xue-guang, JIA Zhen-an. Study about the stress sensitivity enhancement of fiber Bragg gratings[J]. LASER TECHNOLOGY, 2005, 29(2): 159-161.

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Study about the stress sensitivity enhancement of fiber Bragg gratings

1.
School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China;
2.
School of Science, Xi'an Shiyou University, Xi'an 710065, China

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Received Date: February 08, 2004
Revised Date: April 11, 2004
Published Date: March 24, 2005

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Abstract

Abstract

A stress sensitivity enhancement model of optical fiber Bragg gratings is proposed.The relationships between stress and relative shift of center wavelength and the expression of stress sensitivity coefficient of the enhanced fiber Bragg gratings are derived.The elastic modulus of the model is also put forward.It is pointed out that the stress sensitivity coefficient of fiber Bragg gratings can be enhanced by properly selecting the elastic modulus and the size of the elastic part.

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References

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