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- Title
Ultrasensitive Optical Fiber Sensors Working at Dispersion Turning Point: Review.
- Authors
Xu, Shengyao; Kang, Peng; Hu, Zhijie; Chang, Weijie; Huang, Feng
- Abstract
Optical fiber sensors working at the dispersion turning point (DTP) have served as promising candidates for various sensing applications due to their ultrahigh sensitivity. In this review, recently developed ultrasensitive fiber sensors at the DTP, including fiber couplers, fiber gratings, and interferometers, are comprehensively analyzed. These three schemes are outlined in terms of operation principles, device structures, and sensing applications. We focus on sensitivity enhancement and optical transducers, we evaluate each sensing scheme based on the DTP principle, and we discuss relevant challenges, aiming to provide some clues for future research.
- Subjects
OPTICAL fiber detectors; OPTICAL transducers; DISPERSION (Chemistry)
- Publication
Sensors (14248220), 2023, Vol 23, Issue 3, p1725
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s23031725