Grating sensor array demodulation by use of a passively mode-locked fiber laser

被引：38

作者：

Dennis, ML

Putnam, MA

Kang, JU

Tsai, TE

Duling, IN

Friebele, EJ

机构：

[1] Naval Research Laboratory, Washington

来源：

OPTICS LETTERS | 1997年 / 22卷 / 17期

关键词：

D O I：

10.1364/OL.22.001362

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A fiber Bragg grating sensor array is interrogated by use of a passively mode-locked fiber laser source. A novel demodulation scheme that uses highly dispersive fiber to convert the grating wavelength shift to a temporal shift in the arrival time of the reflected pulses is demonstrated. The source bandwidth of >85 nm permits interrogation of many-grating arrays, and the demodulation technique permits fast sensing of large strains.

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页码：1362 / 1364

页数：3

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