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Fs-Laser Fabricated Miniature Fabry–Perot Interferometer in a No-Core Fiber for High-Temperature Applications †.
- Source :
-
Sensors (14248220) . Sep2023, Vol. 23 Issue 18, p7754. 7p. - Publication Year :
- 2023
-
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. [ABSTRACT FROM AUTHOR]
- Subjects :
- *FABRY-Perot interferometers
*FIBERS
*OPTICAL fiber detectors
*FEMTOSECOND lasers
Subjects
Details
- Language :
- English
- ISSN :
- 14248220
- Volume :
- 23
- Issue :
- 18
- Database :
- Academic Search Index
- Journal :
- Sensors (14248220)
- Publication Type :
- Academic Journal
- Accession number :
- 172417618
- Full Text :
- https://doi.org/10.3390/s23187754