Fabrication of a Screw-Shaped Long-Period Fiber Grating for Refractive Index Sensing

Yonghyun Cho; Farid Ahmed; Hang Eun Joe; Huitaek Yun; Byung Kwon Min; Martin B.G. Jun

doi:10.1109/LPT.2017.2765598

Fabrication of a Screw-Shaped Long-Period Fiber Grating for Refractive Index Sensing

Yonghyun Cho, Farid Ahmed, Hang Eun Joe, Huitaek Yun, Byung Kwon Min, Martin B.G. Jun

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

A process for femtosecond laser-based manufacturing was proposed to fabricate a long-period fiber grating (LPFG) with a screw shape. The screw-shaped LPFG was continuously inscribed by single laser scanning, which results in the improvement of fabrication time. For the single laser scanning, an optical fiber was traveled along fiber axis and rotated about the fiber axis. The 44.65-mm-long LPFG with a screw shape and the period of 450 μ m was fabricated about 17 min, and its sensitivity was 48 51 nm/RIU for the glycerin solutions. The proposed process enables us to produce the screw-shaped LPFGs with fast manufacturing time and reliable performance compared with the process with multi-path scanning.

Original language	English
Article number	8078192
Pages (from-to)	2242-2245
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	29
Issue number	24
DOIs	https://doi.org/10.1109/LPT.2017.2765598
Publication status	Published - 2017 Dec 15

Bibliographical note

Publisher Copyright:
© 1989-2012 IEEE.

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/LPT.2017.2765598

Cite this

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abstract = "A process for femtosecond laser-based manufacturing was proposed to fabricate a long-period fiber grating (LPFG) with a screw shape. The screw-shaped LPFG was continuously inscribed by single laser scanning, which results in the improvement of fabrication time. For the single laser scanning, an optical fiber was traveled along fiber axis and rotated about the fiber axis. The 44.65-mm-long LPFG with a screw shape and the period of 450 μ m was fabricated about 17 min, and its sensitivity was 48 51 nm/RIU for the glycerin solutions. The proposed process enables us to produce the screw-shaped LPFGs with fast manufacturing time and reliable performance compared with the process with multi-path scanning.",

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Fabrication of a Screw-Shaped Long-Period Fiber Grating for Refractive Index Sensing

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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