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Linearly configured BOCDA system using a differential measurement scheme
- Authors
- Jeong, Ji Ho; Chung, Kyu Hwang; Lee, Sang Bae; Song, Kwang Yong; Jeong, Je-Myung; Lee, Kwanil
- Issue Date
- Jan-2014
- Publisher
- OPTICAL SOC AMER
- Citation
- OPTICS EXPRESS, v.22, no.2, pp 1467 - 1473
- Pages
- 7
- Journal Title
- OPTICS EXPRESS
- Volume
- 22
- Number
- 2
- Start Page
- 1467
- End Page
- 1473
- ISSN
- 1094-4087
- Abstract
- 5 We experimentally demonstrate a linearly configured Brillouin optical correlation domain analysis (BOCDA) system enhanced by a differential measurement scheme. On-off control of the pump phase modulation with an intentional loss at the end of a fiber under test is applied for the acquisition of a Brillouin gain spectrum. This application leads to a four-fold enhancement of the spatial resolution and doubling of the measurement range in comparison with the former system under the same modulation parameters. (C) 2014 Optical Society of America
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