Miniature All-Sapphire Single-Crystal Fiber Fabry-Perot Sensor Fabricated by Femtosecond Laser Micro-machining and CO2 Laser Welding

Shuo Yang; Ziang Feng; Xiaoting Jia; Gary Pickrell; Wing Ng; Anbo Wang; Yizheng Zhu

doi:10.1364/CLEO_AT.2020.ATu3K.7

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper ATu3K.7
•https://doi.org/10.1364/CLEO_AT.2020.ATu3K.7

Miniature All-Sapphire Single-Crystal Fiber Fabry-Perot Sensor Fabricated by Femtosecond Laser Micro-machining and CO2 Laser Welding

Shuo Yang, Ziang Feng, Xiaoting Jia, Gary Pickrell, Wing Ng, Anbo Wang, and Yizheng Zhu

CLEO: Applications and Technology 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Laser-Based Photonic Fabrication and Integration (ATu3K)

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S. Yang, Z. Feng, X. Jia, G. Pickrell, W. Ng, A. Wang, and Y. Zhu, "Miniature All-Sapphire Single-Crystal Fiber Fabry-Perot Sensor Fabricated by Femtosecond Laser Micro-machining and CO2 Laser Welding," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper ATu3K.7.

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Abstract

This paper reports a miniature all-sapphire high temperature fiber sensor based on fiber Fabry-Perot interferometer fabricated by femtosecond laser micromachining and CO2 laser welding. The sensor was tested to 1455°C with up to 5.38 nm/°C sensitivity.

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