Multipoint strain sensing system based on fiber loop ringdown and frequency-shifted interferometry

Chen, Zehao; Ou, Yiwen; Yang, Zhangyong; Chen, Jiaxuan; Lv, Hui

doi:10.1117/12.2541914

Cited by 1 publication

(1 citation statement)

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“…Cheng et al [86] integrated FLRD sensors with frequency-shifted interferometric measurements for large-strain measurements, achieving a sensitivity of 0.34 km⁻ 1 •mε⁻ 1 and a dynamic range of 5 me. Chen et al [87] similarly combined FLRD sensors with FSI for large-strain measurements, utilizing a dual-tapered multimode optical fiber as the sensor head. They achieved strain sensitivities of 0.51337 km⁻ 1 •mε⁻ 1 and 0.8667 km⁻ 1 •mε⁻ 1 within a large measurement range of up to 6 me, surpassing the design range and sensitivity of Cheng et al, while also enabling multi-point measurements.…”

Section: Fiber Interferometermentioning

confidence: 99%

The Structure and Applications of Fused Tapered Fiber Optic Sensing: A Review

Ban,

Lian

2024

Photonics

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Tapered optical fibers have continuously evolved in areas such as distributed sensing and laser generation in recent years. Their high sensitivity, ease of integration, and real-time monitoring capabilities have positioned them as a focal point in optical fiber sensing. This paper systematically introduces the structures and characteristics of various tapered optical fiber sensors, providing a comprehensive overview of their applications in biosensing, environmental monitoring, and industrial surveillance. Furthermore, it offers insights into the developmental trends of tapered optical fiber sensing, providing valuable references for future related research and suggesting potential directions for the further advancement of optical fiber sensing.

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