Development of Low-Cost SDH-BOTDR using Directly Modulated Laser

Kengo Koizumi; Hitoshi Murai

doi:10.1364/OFS.2023.W4.16

28th International Conference on Optical Fiber Sensors
Technical Digest Series (Optica Publishing Group, 2023),
paper W4.16
•https://doi.org/10.1364/OFS.2023.W4.16

Development of Low-Cost SDH-BOTDR using Directly Modulated Laser

Kengo Koizumi and Hitoshi Murai

Optical Fiber Sensors 2023

Naka-ku, Hamamatsu-shi Japan
20–24 November 2023
ISBN: 978-1-957171-30-2

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Poster Session II (W4)

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K. Koizumi and H. Murai, "Development of Low-Cost SDH-BOTDR using Directly Modulated Laser," in 28th International Conference on Optical Fiber Sensors, Technical Digest Series (Optica Publishing Group, 2023), paper W4.16.

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Abstract

We developed a low-cost self-delayed homodyne BOTDR by employing directly modulated DFB-LD. A 1 km distributed measurement with a 1 m spatial resolution was successfully demonstrated within 1 s by compensating SPM.

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