1. Introduction Miniaturization of optical fiber (OF) sensors is an important objective for biochemical monitoring as small sizes means fast diffusion times and sensor response . In addition to sensor
In this study, we present a dual-Fizeau-interferometer-based high-speed and wide-range fiber-optic Fabry-Perot (F-P) demodulation system. We employ two Fizeau interferometers with air
K. Hammarling, H. I. Muri, M. S. Wahl, M. Engholm, and D. R. Hjelme, “A combined glucose and pH sensor on a single optical fiber for continuous point-of-care testing (Conference Presentation),” 2018,
A dual Fabry-Perot (FP) interferometric fiber-optic acoustic sensor based on sandwich-structure composite diaphragm is proposed, where fixed
The sensitivity of fiber optic sensors is one of their most critical parameters, which affects the resolution, accuracy, stability, dynamic range, and response time of the sensor.
A novel optical fiber low-coherence interferometric sensing system, which is suitable for absolute remote measurement and is endowed with a dual-interferometer as receiving
In this study, we will combine the enhanced VE with the HVE to reduce the difficulty of sensor fabrication while achieving high sensitivity. Two FPIs were constructed using single-mode fiber...
A coaxial dual-wavelength interferometric system was proposed here to detect thermal-induced displacements of an ultrasensitive FPA based on polyvinyl-chloride (PVC)/gold bimorph
In this study, we presented and demonstrated a novel fiber sensor based on a dumbbell stepped fiber core structure for the simultaneous measurement of three parameters: force,
A fiber optic dual-cavity Fabry-Perot interferometer (DFPI) for simultaneous high- temperature and high-gas-pressure measurements is proposed and experimentally demonstrated.
An interferometric fiber optic temperature sensing system employing a light emitting diode (LED) as the broadband optical source and a single mode fiber coil, which was fabricated in definite
In this work, we report advances on our previously reported index-temperature multicore fiber interferometer (Flores-Bravo et al., 2021a). We have
A fiber-optic, extrinsic Fabry-Perot interferometric (EFPI), dual-cavity sensor made of sapphire was fabricated and interrogated by a dual-segment, low-coherence Fizeau interferometer to
A frequency-modulated continuous-wave technique is used to detect phases of backscattered signals in a single-mode fiber. A distributed
In this paper, an optical fiber composite Fabry-Perot interferometric (CFPI) sensor capable of simultaneous measurement of high temperature and strain is presented. The CFPI sensor consists of
We report a high-resolution fiber optic temperature sensor system based on an air-filled Fabry–Pérot (FP) cavity, whose spectral fringes shift due
Download Citation | On Aug 1, 2025, Qiang Chen and others published From simulation to experiment: A Sagnac interference-based double holes optical fiber sensor for ultrasensitive Cu (II
In our experiments, the preliminary investigations of absolute distance measurement by this fiber interferometric dual-comb system are demonstrated on a large-scale guide rail and
In this review, the refractive index (RI) and temperature dual-parameter sensors based on optical fiber interferometers have been reviewed. The sensing performance of typical structures has been
In this paper, we proposed an in-fiber Mach-Zehnder temperature sensor based on a dual-core fiber (DCF) in which one core, working as the sensing arm, is suspended in an embedded fluidic channel
We demonstrate a new single point, multi-parameter, fiber optic sensor concept based on a combination of interferometric and plasmonic sensor modalities on an optical fiber end face.
placement sensor based on a plastic dual-core fiber with one end coated with a silver mirror. The two fiber cores are first excited with the same laser beam, the light in each core is then back-reflected at
The sensing capability of the proposed system is verified for strain measurements using SMF and a multimode polymer optical fiber. The microwave-photonic interferometric configuration might pave
In this review, we examine and compare over 400 fiber optic interferometers as well as more than 60 fiber optic refractive sensors based on
Long and short path length differences interferometric sensing modalities have been combined based on immobilizing hydrogel on thin-core optical fiber end face. Dual parameter sensing of hydrogel
In this paper, multi-core fiber (MCF) is integrated in interferometric fiber optic gyroscope (IFOG) as the sensing coil to improve its sensitivity without increasing the fiber length or Shupe error.
The branching interferometric distributed fiber optic vibration sensor (IDFOVS) attracts attention for its capability to monitor regions with intricate geometries. However, the localization
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