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- Title
A Single-Longitudinal-Mode S + C Band Wavelength-Tunable Fiber Laser.
- Authors
Liu, Da; Jiang, Yi
- Abstract
An external cavity wavelength-fiber ring laser (ECWTFL) based on a semiconductor optical amplifier and a combined wavelength scanning filter in the Littrow configuration is proposed and experimentally demonstrated. With the benefit of the combination of an external cavity wavelength filter and a Lyot filter, the laser achieves a single-mode narrow linewidth output with a linewidth of 1.75 kHz. The wavelength tuning range reaches 133 nm, covering the entire S + C band. The proposed ECWTFL is used for demodulation of a fiber EFPI sensor; the result shows that the proposed ECWTFL has the ability to demodulate the small cavity-length FPI sensor.
- Subjects
FIBER lasers; RING lasers; SEMICONDUCTOR optical amplifiers; DEMODULATION
- Publication
Sensors (14248220), 2024, Vol 24, Issue 8, p2576
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s24082576