This study successfully designed and experimentally validated an optical fiber temperature sensor based on a PDMS microcavity structure that incorporates principles of both Fabry–Pérot (FPI)
A fiber-optic strain sensor with antiresonance suppression was proposed, and sensor sensitization was achieved by constructing a simulated reference interferometer (SRI) using the
The EFPI sensor is fabricated by micromachining a cavity on the tip of a standard single-mode fiber with a femtosecond (fs) laser and is then self
Abstract This study presents an extrinsic Fabry–Perot interferometric (EFPI) fiber-optic strain sensor with a very short cavity. The sensor consists of two vertically
A highly sensitive refractive index sensor based on a fiber in-line Mach–Zehnder interferometer sensor based on single-mode–tapered thin-core–single-mode fiber is proposed.
Abstract In this work, we demonstrate a dual C-type fiber optic vernier sensor based on femtosecond laser etching for measuring seawater temperature and salinity. The C-type fibers are
In this work, we introduce a fiber-based interferometric measurement sensor to monitor the cavity filling of optical microstructures fabricated into a macroscopic molding die.
We report a novel fiber-optic sensor for measurement of static gas pressure based on the natural convection of a heated silicon pillar attached to a
Ultra-Sensitive Optical Fiber Humidity Sensor via Au-Film-Assisted Polyvinyl Alcohol Micro-Cavity and Vernier Effect Liangtao HouYan Li +6 authors L. Ran Physics, Engineering
A subtype of fiber-optic microphone uses a Fabry-Pérot interferometer as the sensing element. In these sensors, two partially reflective mirrors form an optical cavity
And Liu et al. proposed a strain force sensor based on fiber inline Fabry-Perot microcavity plugged by cantilever taper; the sensor exhibited high strain force sensitivity.
This paper reports an optical fiber toluene sensor based on whispering gallery mode (WGM) microbottle resonator. The sensor includes a single-mode fib
Abstract Fiber-optic Fabry–Perot (F-P) sensors are commonly demodulated using spectral interferometric techniques to measure the optical path difference (OPD). However, spurious jumps in
Abstract: A high-sensitivity fiber-optic microcavity relative humidity (RH) sensor with a silicon-based sulfide thin film is presented.
This review outlines the key strategies toward enhancing the performance of optical microcavities, highlights their broad applicability across
This work proposes an optical fiber acoustic sensor using a Fabry-Perot interferometer (FPI), which consists of an optical fiber end face and a gold d
The chitosan-FPI based optical fiber humidity sensor offers the advantages of the simplified fabrication processes, compact structural configuration, cost-effectiveness, high sensitivity,
Explore fiber optic sensors: their working principles, types (intrinsic, extrinsic, hybrid), and diverse applications in mechanical, chemical, and structural health monitoring.
The working principles, fabrication methods, and sensing applications of the fiber bubble microcavity based FPI are systematically studied.
We demonstrate the micro-displacement sensing using the balloon-like optical fiber to the chaotic correlation fiber loop ring down system. The balloon
A fiber-optic sensor is a sensor that uses optical fiber either as the sensing element ("intrinsic sensors"), or as a means of relaying signals from a remote sensor to the electronics that process the signals
All-glass extrinsic Fabry–Perot interferometer thermo-optic coefficient sensor based on a capillary bridged two fiber ends
Compared with other force sensors based on optical fiber in the literature, the proposed all-fiber force sensor provides a substantial advancement in the minimum detectable force possible,
In fact, Silicon dioxide is a high-temperature and high-pressure resistant material used to make optical fibers. Therefore, Open-cavity FPI pressure sensors designed based on the principle of refractive
Various optical fiber structures combined with humidity-sensitive materials have been widely produced into humidity sensors, which use the response of optical fiber carriers to changes in humidity
All-glass extrinsic Fabry–Perot interferometer thermo-optic coefficient sensor based on a capillary bridged two fiber ends Zhitao Cao,1 Lan Jiang,1,* Sumei Wang,1 Mengmeng Wang,1,2 Da Liu,1 Peng
Abstract: A single-optic-fiber temperature and pressure sensor based on a side-polished optical fiber microcavity coated with a polydimethylsiloxane (PDMS) film has been proposed and fabricated.
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