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Correlation-based distributed measurement of SBS-generated dynamic grating spectrum in a polarization-maintaining fiber
- Zou, Weiwen;
- He, Zuyuan;
- Song, Kwang-Yong;
- Hotate, Kazuo
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2초록
The distribution of temperature-induced changes in Brillouin frequency shift and that of birefringence-determined frequency deviation in the spectrum of SBS-generated dynamic grating in a PMF have been measured with 1.2-meter spatial resolution and 110-meter measurement range. Synchronously-controlled sinusoidal frequency-modulations are applied into two laser sources that are used for pump (probe) light and readout light, respectively, enabling distributed generation and detection of the dynamic grating.
키워드
Brillouin sensing; temperature; birefringence; acoustic grating; polarization-maintaining fiber; SPATIAL-RESOLUTION; BRILLOUIN
- 제목
- Correlation-based distributed measurement of SBS-generated dynamic grating spectrum in a polarization-maintaining fiber
- 저자
- Zou, Weiwen; He, Zuyuan; Song, Kwang-Yong; Hotate, Kazuo
- 발행일
- 2008
- 유형
- Proceedings Paper
- 저널명
- 19TH INTERNATIONAL CONFERENCE ON OPTICAL FIBRE SENSORS, PTS 1 AND 2
- 권
- 7004
- 언어
- ENG
- 출판사
- SPIE-INT SOC OPTICAL ENGINEERING
- 발행국가
- 미국
- ISSN
- P 0277-786X