Fs-Laser Fabricated Miniature Fabry–Perot Interferometer in a No-Core Fiber for High-Temperature Applications †

Author

Chen Zhu, Missouri University of Science and TechnologyFollow
Osamah Alsalman
Jie Huang, Missouri University of Science and TechnologyFollow

Abstract

This Paper Reports a Fiber In-Line Fabry–Perot Interferometer (FPI) Fabricated in a No-Core Fiber using the Direct Femtosecond Laser Writing Technique for High-Temperature Sensing Applications. Two In-Line Reflectors Are Directly Inscribed in a No-Core Fiber to Construct a Low-Finesse FPI. Fringe Visibility Greater Than 10 DB is Obtained from the Reflection Spectra of the Fabricated No-Core Fiber FPIs. Temperature Responses of a Prototype No-Core Fiber FPI Are Characterized Up to 1000 °C. the Proposed Configuration is Compact and Easy to Fabricate, Making It Attractive for Sensing Applications in High-Temperature Harsh Environments.

Recommended Citation

C. Zhu et al., "Fs-Laser Fabricated Miniature Fabry–Perot Interferometer in a No-Core Fiber for High-Temperature Applications †," Sensors, vol. 23, no. 18, article no. 7754, MDPI, Sep 2023.

The definitive version is available at https://doi.org/10.3390/s23187754

Department(s)

Electrical and Computer Engineering

Publication Status

Open Access

Keywords and Phrases

Fabry–Perot interferometer; femtosecond laser fabrication; fiber optic sensor; high temperature

International Standard Serial Number (ISSN)

1424-8220

Document Type

Article - Journal

Document Version

Final Version

File Type

text

Language(s)

English

Rights

© 2023 The Authors, All rights reserved.

Creative Commons Licensing

This work is licensed under a Creative Commons Attribution 4.0 License.

Publication Date

01 Sep 2023

PubMed ID

37765811