Study on temperature error processing technique for fiber optic
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
Fiber Optic Temperature Sensor
Explore the world of fiber optic temperature sensors - their operation, advantages, applications, types, and future outlook in sensor technology.
Thermally induced error analysis and suppression of optic fiber delay
The results also show that the ability of temperature inhibition can be controlled flexibly by adjusting the design parameters of the insulation cavity. It has potential application value in some
Analysis of the Temperature Field Characteristics and Thermal
This paper investigates the mechanism of thermal-induced errors in interferometric fiber optic gyroscopes (IFOGs) caused by temperature changes in a vacuum environment, proposing a
Fiber Optic Temperature Sensors
To date, various types of fiber optic temperature sensors have been reported in the literatures and they are mostly based on fiber interferometric [Choi et al., 2008] and fiber Bragg grating (FBG) [Han et al.,
Analysis and compensation method for nonlinear temperature error of
Therefore, this paper reveals the correlation mechanism between the temperature gradient distribution driven by the conductor current-carrying capacity and the nonlinear error by establishing
Failure Mechanisms of Fiber Optic Temperature Sensors in High
This work will focus on failure mechanisms observed at multiple length scales that impact the performance of high temperature optical fiber sensors.
Temperature Measurement Using Optical Fiber Methods: Overview
Optical fiber sensors can be used in cases where standard electrical measurement methods cannot be used. These may be areas with high electrical and magnetic interference or critical areas.
Optical Fiber Sensors for High-Temperature Monitoring:
High-temperature measurements above 1000 °C are critical in harsh environments such as aerospace, metallurgy, fossil fuel, and power production. Fiber-optic
Temperature error of fiber-optic measuring systems
Abstract The temperature-measurement error that arises in using a phase sensor based on the homodyne Mach-Zehnder interferometer has been estimated.
Failure Mechanisms of Fiber Optic Temperature Sensors in High
It was found that Au-coated silica fibers, which are a standard in the industry, undergo various failure modes when subjected to combinations of high temperature and high vibration.
Preparation of Papers for AIAA Technical Conferences
Obtaining a high accuracy, high spatial resolution temperature profile of critical test artifacts and test components has long been the holy grail of temperature sensing. Optical Frequency-Domain
Failure Mechanisms of Fiber Optic Temperature Sensors in High
ABSTRACT Fiber optic temperature sensors are used in a variety of harsh environment applications. We have explored use of such temperature sensors in commercial gas turbines to measure the
Temperature characterization of fiber optic current sensor influenced
Among them, the fiber optic of the fiber optic sensing ring mainly uses high birefringence rotating fiber, while the polarization-maintaining transmission fiber uses polarization-maintaining fiber.
RBF Neural Network-Based Temperature Error Compensation for Fiber Optic
The fiber optic gyroscope (FOG) is one of the most successful fiber sensors [1, 2] and is a key component of inertial navigation systems. Digital closed-loop FOGs have many advantages such as
The Analysis on Temperature Characteristic of Fiber Optic Current
This paper researched on the error ratio of fiber optical current sensor (FOCS) induced by temperature drift. The principle about the influence of temperature f
Temperature variation mechanism and error suppression of key
However, the half-wave voltage of the modulator varies significantly with temperature to cause errors in the feedback gain, and consequently generate significant errors in the scale factor
Analysis of Temperature Drift Issues and Compensation Methods for Fiber
Explore the impact of temperature drift on Fiber Optic Gyroscopes (FOGs), effective compensation methods, and experimental results. Learn how third-order polynomial models improve
Optical Fiber Based Temperature Sensors: A Review
Optical fiber-based temperature sensors have played a crucial role in this decade to detect high fever and tackle COVID-19-like pandemics.
How Temperature Affects Fiber Optic Cables: A Guide
Learn about the impact of temperature on fiber optic cables and how to mitigate it. Find out the causes, effects, and solutions for temperature-related issues.
Analysis of Temperature Drift Issues and Compensation
Explore the impact of temperature drift on Fiber Optic Gyroscopes (FOGs), effective compensation methods, and experimental results. Learn how
Failure Mechanisms of Fiber Optic Temperature Sensors in High
tic effects may play a role under the high temperature, high vibration environment experienced by the probes. Detailed structural analysis of the fiber optic temperature sensors by scanning electron
Failure Mechanisms of Fiber Optic Temperature Sensors in High
Detailed structural analysis of the fiber optic temperature sensors by scanning electron microscopy, ToF-SIMS, and X-ray microscopy will be presented to corroborate the above simulations and proposed
Temperature variation mechanism and error suppression of key
Especially, under the influence of temperature, the change of half-wave voltage and polarization crosstalk will lead to the deterioration of the performance of the modulator and bring
High sensitivity fiber optic temperature sensor composed of two
As the temperature rises, the interference spectrum of FPI1 gradually red-shifts, while the interference spectrum of FPI2 gradually blue-shifts, resulting in an enhanced HVE.
Temperature Dependence of Faraday Effect-Induced Bias Error in a
In this study, we present that the Faraday effect-induced bias error of PM-IFOG changes with temperature in the non-skeleton fiber coil. This phenomenon is caused by the temperature
(PDF) Fiber Optic Temperature Sensors
PDF | The physical phenomenon and construction of optic fiber sensors are discussed in this paper. The description is limited to those sensors
Temperature Sensors
Several fiber optic sensing concepts have been exploited to develop thermometers as well as to perform temperature measurements based on reflectance, microbending, fluorescence, absorbance, and
Demodulation Method for GaAs Fiber-Optic Temperature Sensing
This article presents a demodulation method for GaAs fiber-optic temperature sensing utilizing reference filters. The method employs a long-pass filter (LPF) waveform as the baseline reference waveform in
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