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By this design, optical fiber humidity sensors achieve high sensitivity, rapid response and recovery, low hysteresis, and temperature crosstalk as well as excellent repeatability and stability in
A review of the use of fibre-optic sensor technologies for humidity sensing is presented. The paper first provides a brief overview on the basic concept of what is meant by humidity and on
This chapter reviews optical fiber sensors designed for measuring temperature and humidity, covering their fundamental principles, advanced architectures, and functionalized designs.
A high-sensitivity fiber optic temperature sensor based on the enhanced harmonic Vernier effect (HVE) is proposed, which consists of two Fabry–Perot interferometers (FPI) that are
Sensors based on optical fibers present several advantages over electronic sensors and great research efforts have been made in recent years in
Among all the reported applications, optical waveguides have been widely exploited to measure the physical and chemical variations in the surrounding environment.
This research article explores the potential of optical fibers as sensors, highlighting their ability to measure various parameters such as temperature, pressure, stress, and radiation...
Table 1 systematically summarizes recent advancements in fiber optic temperature and humidity sensors, presenting key performance parameters essential for evaluating sensor efficacy.
After thorough fiber characterization, short (20 m) sensing cable is developed that allows distributed environmental measurement with mutual discrimination of RH and temperature variations at
In this paper, a demonstration of a fiber optic sensor for the simultaneous measurement of relative humidity and temperature based on integrated FPIs was proposed.
Explore the structure, working principles, advantages, and disadvantages of Fiber Optic Temperature Sensors for accurate temperature measurement in diverse
There has been a growing interest in using Fiber Bragg Grating (FBG) sensors for the detection of humidity and water content due to their high sensitivity, ease of installation, multiplexing capability,
This paper presents a system capable of measuring temperature and relative humidity with polymer optical fiber (POF) sensors. The sensors are based on variations of the Young''s and shear moduli of
In this study, a distributed multi-channel fiber-optic sensor for simultaneous measurement of relative humidity (RH) and temperature with finer gauge length based on spatial
A high-sensitive fiber-optic Fabry–Perot sensor with parallel polymer-air cavities based on Vernier effect for simultaneous measurement of pressure and temperature.
The paper deals with the overview of fiber optic methods suitable for temperature measurement and monitoring. The aim is to evaluate the current
A wide range of applications such as health, human comfort, agriculture, food processing and storage, and electronic manufacturing, among
Abstract: It remains a major challenge to prepare a temperature or humidity optical fiber sensor with a simple structure, low cost, and high sensitivity. In this work, a Mach-Zehnder
Recognizing the major developments in the last few years, especially in the field of fibre optic humidity and moisture sensing, this paper aims to extend that approach to review and
A representative variety of optical fibre-based sensing techniques available to perform the measurement of humidity and moisture have been discussed, with a brief introduction to each optical
The techniques presented in this paper can be applied to other interferometric fiber optic sensors by combining the FBG to achieve beyond free
An optical fiber humidity sensor combined with a new type of moisture-sensitive material is proposed and experimentally demonstrated. The structure of the sensor is based on two single-mode
An optical fibre sensor has been developed for simultaneous measurement of relative humidity (RH) and temperature at a single optical fibre
High-temperature measurements above 1000 °C are critical in harsh environments such as aerospace, metallurgy, fossil fuel, and power production.
A distributed fiber-optic sensor for simultaneous relative humidity (RH) and temperature measurement is proposed and experimentally demonstrated by means of optical frequency domain
This paper proposed a fiber optic temperature sensor with an ultra-wide detection range based on the polydimethylsiloxane (PDMS) film-coated
However, most fiber optic sensors require the fabrication of complex sensing probe structures and post-coating of hygroscopic materials. Herein, a polarimetric fiber laser sensor for
This paper reviews the sensing principle, structural design, and temperature measurement performance of fiber-optic high-temperature sensors, as well as recent significant progress in the