Optical low coherence reflectometry for measuring a stationary Brillouin grating induced under uniform pumping in a short optical fiber
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- 作者：Kazumasa Takada ; takada@el.gunma-u.ac.jp" class="auth_mail" title="E-mail the corresponding author ; Takahiro Yasuno
- 关键词：Fiber sensing ; Interference ; Nonlinear optics ; Four-wave mixing ; Brillouin dynamic grating
- 刊名：Optics Communications
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：382
- 期：Complete
- 页码：646-650
- 全文大小：1306 K
文摘
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A new optical low coherence reflectometry is proposed based on Brillouin grating.
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The intrinsic beat noise was reduced by the polarization diversity technique.
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The Brillouin gratings were generated by uniformly pumping a short optical fiber.
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The reflections from the gratings were measured at around 1 mm spatial resolution.