Share Email Print
cover

Proceedings Paper

Measurement of spontaneous Brillouin scattering in optical fiber with a fiber Bragg grating Sagnac loop
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

A novel method for direct optical detection of spontaneous Brillouin scattering in optical fiber by using a fiber Bragg grating (FBG) Sagnac loop is introduced. The transmission character as an optical filter of FBG Sagnac loop is investigated theoretically. The filter which is based on an asymmetric grating Sagnac loop is manufactured and used in the measurement of spontaneous Brillouin scattering sensing system, and the separation of backscattered spontaneous Brillouin from Rayleigh is achieved effectively. It is demonstrated that the fiber grating Sagnac loop filter can be applied in the distributed sensing system based on spontaneous Brillouin scattering.

Paper Details

Date Published: 16 May 2008
PDF: 4 pages
Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70043Z (16 May 2008); doi: 10.1117/12.786070
Show Author Affiliations
Zhonghua Ou, Univ. of Electronic Science and Technology of China (China)
Lixun Zhang, Univ. of Electronic Science and Technology of China (China)
Zhiyong Dai, Univ. of Electronic Science and Technology of China (China)
Yongzhi Liu, Univ. of Electronic Science and Technology of China (China)


Published in SPIE Proceedings Vol. 7004:
19th International Conference on Optical Fibre Sensors

© SPIE. Terms of Use
Back to Top