Landslide displacement monitoring is an efficient method to mitigate casualties and economic losses caused by landslide disasters. In recent years, distributed fiber-optic sensing ...
Direct Manufacturer The nonlinearity caused by the azimuth angle and retardation errors of the retarder, as well as the linear birefringence in the sensing fiber is determined to be the main factors leading to the basic
Direct Manufacturer The nonlinear relationship between the output of the fiber-optic current transformer and the current to be measured is derived by means of the mathematical model of the quarter-wave retarder and the spun
Direct Manufacturer Abstract: In fiber-optic sensing, time delays induced by polarization mode dispersion can distort signals in systems relying on phase or intensity variations for measurement, degrading
Direct Manufacturer Relative error''s quadratic dependence on the electric current and the methods for its compensation in fiber optic current sensor systems Penghui Yao, X. Steve Yao,
Direct Manufacturer Fiber-optic shape sensing enables real-time monitoring of structural deformation across a wide range of applications. For large-scale structures, Brillouin-based distributed sensing, typically
Direct Manufacturer This study addresses this fundamental limitation through the introduction of a novel error compensation algorithm, particularly suited for a Brillouin-based shape sensing system, yet agnostic
Direct Manufacturer The optical current transformers (OCTs) using silica optical fiber as Faraday sensor were manufactured and tested in the field (275 kV substation) for 2 years to confirm their long-term reliability.
Direct Manufacturer Fiber optic gyroscope (FOG) has been widely used as satellite and automobile attitude sensor for its high reliability and light weight. However, environment temperature variation results in
Direct Manufacturer Abstract Fiber delay loop is a vital part of some kinds of optical fiber sensing systems such as optical fiber current sensors, optical fiber voltage sensors, and optical fiber gyroscopes. Its
Direct Manufacturer The output signal of a white-light interferometric (WLI) fiber-optic sensor constitutes an interference fringe pattern modified by a Gaussian profile, whose central interference fringe is a
Direct Manufacturer Citations (13) References (11) Abstract Bias error, along with scale factor, is a key factor that affects the measurement accuracy of the fiber-optic current sensor.
Direct Manufacturer What causes measurement errors within spectroscopy instruments? Read to find out plus learn ways to reduce the errors.
Direct Manufacturer The structure of fiber-optic current transformer is complex, and random error becomes one of the major problems that affect the application of fiber-optic current transformers in power engineering.
Direct Manufacturer An extensive review of optical fiber sensors and the most beneficial applications is presented in this chapter. Although electrical sensing technologies have been successfully deployed
Direct Manufacturer Measurement accuracy is essential for the all-fiber optic current sensor. Angle errors of axis alignment in the fusion processing affect the measurement accuracy with different modulation and
Direct Manufacturer In recent years, the spatial resolution of fiber-optic distributed temperature sensing (DTS) has been enhanced in various studies by helically coiling the fiber around a support structure.
Direct Manufacturer This dissertation describes the work conducted on error analysis for Brillouin Optical Time Domain Reflectometry (BOTDR), a distributed strain sensing technology used for monitoring the
Direct Manufacturer 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
Direct Manufacturer This study evaluates the metrological performance of shape sensing cables in the presence of fiber core failures, a critical issue in scenarios where
Direct Manufacturer Accurate measurement methods based on fiber-optic sensors have been widely applied in many scientific fields with the advantages of wide measurement range, high sensitivity, anti
Direct Manufacturer This paper review recent advances in Raman distributed optical fiber sensing in terms of temperature measurement accuracy, spatial resolution, dual-parameters and applications.
Direct Manufacturer Interferometric fiber optic gyroscope (IFOG) is a well-known optical sensor for angular measurement , , and has been widely used in various inertial navigation systems (INS) , .
Direct Manufacturer This paper focuses on the temperature reliability of phase modulators and their impact on the error of sensing systems by conducting a study on the temperature variation mechanism of key
Direct Manufacturer Sagnac fiber optic current sensor (S-FOCS) is a kind of optical interferometer based on Sagnac structure. S-FOCSs are now achieving increased acceptance and application in high voltage
Direct Manufacturer In this paper, we present an evaluation of error analysis and measurement uncertainty for a reference dual-wavelength grating sensor system. The theoretical strain and temperature dependent
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