High-resolution Brillouin optical time domain analysis based on Brillouin dynamic grating
- Authors
- Song, Kwang Yong; Yoon, Hyuk Jin
- Issue Date
- Jan-2010
- Publisher
- OPTICAL SOC AMER
- Citation
- OPTICS LETTERS, v.35, no.1, pp 52 - 54
- Pages
- 3
- Journal Title
- OPTICS LETTERS
- Volume
- 35
- Number
- 1
- Start Page
- 52
- End Page
- 54
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/22681
- DOI
- 10.1364/OL.35.000052
- ISSN
- 0146-9592
1539-4794
- Abstract
- We propose and experimentally demonstrate a high-resolution distributed measurement of the Brillouin gain spectrum in a polarization-maintaining fiber (PMF) using Brillouin dynamic grating. In our approach, acoustic waves which contain the information of the local Brillouin frequency are generated by a long pump pulse in one polarization along the PMF and are read out by a short probe pulse with an orthogonal polarization at a different optical frequency from the pump. In experiments, a distributed strain measurement with a 10 cm spatial resolution is demonstrated in a 105 m PMF. (C) 2009 Optical Society of America
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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