Noise-suppressed optical correlation-domain reflectometry using dual lasers

IF 2.6 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Optical Fiber Technology Pub Date : 2025-06-04 DOI:10.1016/j.yofte.2025.104294

Keisuke Motoda , Guangtao Zhu , Takaki Kiyozumi , Takahiro Ishimaru , Hiroshi Takahashi , Kunihiro Toge , Yosuke Mizuno

引用次数: 0

Abstract

We develop a new configuration of optical correlation-domain reflectometry (OCDR), termed dual-laser OCDR, which utilizes two independent laser diodes for the incident and reference light sources. We experimentally verify its operation via distributed reflectivity measurement along a 52-m-long sensing fiber under the control of the relative modulation phase between the incident and reference lights. The unique operation of dual-laser OCDR offers multiple advantages over conventional OCDR, including system simplification and constant spatial resolution over sensing position.

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使用双激光器的噪声抑制光学相关域反射计

我们开发了一种新的光学相关域反射计（OCDR）结构，称为双激光OCDR，它利用两个独立的激光二极管作为入射光源和参考光源。我们在入射光和参考光之间的相对调制相位控制下，通过沿着52米长的传感光纤进行分布式反射率测量，实验验证了它的运行。与传统的OCDR相比，双激光OCDR的独特操作具有多种优势，包括系统简化和相对于传感位置的恒定空间分辨率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Optical Fiber Technology 工程技术-电信学

CiteScore

4.80

自引率

11.10%

发文量

327

审稿时长

63 days

期刊介绍： Innovations in optical fiber technology are revolutionizing world communications. Newly developed fiber amplifiers allow for direct transmission of high-speed signals over transcontinental distances without the need for electronic regeneration. Optical fibers find new applications in data processing. The impact of fiber materials, devices, and systems on communications in the coming decades will create an abundance of primary literature and the need for up-to-date reviews. Optical Fiber Technology: Materials, Devices, and Systems is a new cutting-edge journal designed to fill a need in this rapidly evolving field for speedy publication of regular length papers. Both theoretical and experimental papers on fiber materials, devices, and system performance evaluation and measurements are eligible, with emphasis on practical applications.