Home / Experimental Errors in Dual-Fiber Interferometric Sensing
In this study, we propose a novel dual-polarization IFOG configuration based on a four-port circulator, in which the polarization coupling errors and the
In this paper, for the displacement measurement interferometer with multi-mode fiber-coupled delivery, we analyze the errors caused by disturbed MMFs and obtain the analytical
In this work, a long short-term memory neural network is utilized in a Mach-Zehnder interference-based refractive index sensor to break the free spectral range limitation.
The performance of IFOGs is strongly dependent on fiber coils, which are the main sensing element in IFOGs . In general, the stress variation of the fiber coil induced from shock and
Optical fiber sensors that have a compact size and the capability for multi-parameter sensing are desired in various applications. This article reports a
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
Due to the specificity of fiber structure, i.e., multiple cores integrated into only one fiber cladding, multicore fiber (MCF) interferometric sensors exhibit many desirable characteristics
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
Abstract A single-mode single fiber Mach-Zehnder interferometer is fabricated and employed for simultaneous measurement of temperature and direct current flowing through the
Among fiber Bragg grating, distributed acoustic sensing, and other fiber-optic accelerometers, interferometric fiber-optic accelerometers (IFOAs) show the highest sensitivity and
In this paper, the factors influencing positioning error is analyzed, and a comprehensive assessment of the system accuracy is provided. The Cramer-Rao lower bound and correlator performance estimate
In this review, we examine and compare over 400 fiber optic interferometers as well as more than 60 fiber optic refractive sensors based on
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 dual-cavity Fabry-Perot interferometer (DFPI) for simultaneous high- temperature and high-gas-pressure measurements is proposed and experimentally demonstrated.
In this respect, this paper innovatively constructs a heterodyne interferometry error model based on one single-mode PMF, and uses the Jones matrix to analyze the various factors that cause
This study presents the experimental optimization of an interferometric optical fiber sensor for acoustic emission (AE) detection. The
We systematically investigated the refractive index (RI) sensing performance from both theoretical and experimental aspects.
A polarization-space Michelson interferometric fiber-optic vibration sensor is proposed and experimentally demonstrated. A phase-coherent dual-frequency optical pulse with two orthogonal
We have experimentally demonstrated that tailored error-robust optical pulses can improve the inertial sensitivity of a state-of-the-art atom interferometric sensor operating within a
This paper investigates the mechanism of thermal-induced errors in interferometric fiber optic gyroscopes (IFOGs) caused by temperature changes in
In-fiber interferometric-based sensors are a rapidly growing field, as these sensors exhibit many desirable characteristics compared to their regular
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
Abstract Interferometric fiber optic gyroscopes (IFOGs) require strict eigen-frequency modulation matching, as even minor frequency deviations degrade system stability. In this work, a
Abstract Optical interferometry has emerged as a cornerstone technology for high-precision length measurement, offering unparalleled accuracy in various scientific
In this paper, the errors of the displacement measurement interferometer with multi-mode fiber-coupled delivery are analyzed when the
We propose and demonstrate a dual microfiber (DMF) interferometric sensor here. The DMF can be fabricated from standard single-mode optical fibers by using a two-step process. First,
Temperature and refractive index are two important parameters for many fields, where their accurate measurement is crucial. This review discusses the development of refractive index and temperature
IFOG of high sensitivity usually requires a fiber length of more than 1 km, which means the volume and cost of IFOG will increase and large Shupe errors will be induced by temperature
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