A fiber Bragg grating (FBG) flow sensor is designed and fabricated, in which two FBGs are fixed on the front and other side of the metal diaphragm, and differential pressure is used to monitor the flow rate of fluid. The temperature sensitivity of these two FB...
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A high performance multiplexed fiber-optic sensor consisted of diaphragm-based extrinsic Fabry–Perot interferometer (DEFPI) and fiber Bragg grating (FBG) is proposed. The novel structure
A novel fiber Bragg grating (FBG) sensor with simultaneous sensing of displacement and temperature is presented. The FBG is affixed on the cantilever inclinedly.
A novel integrated optical fiber sensor was proposed for temperature, pressure and flow measurement. One fiber Bragg grating (FBG) was fixed in the target for temperature measurement.
Optical fiber sensors based on Fiber Bragg Gratings (FBG) are probably the most successful optical fiber sensors. They consist of a periodic perturbation of the refractive index of the core of a fiber. This
Fiber Bragg grating (FBG) sensors have emerged as advanced tools for monitoring a wide range of physical parameters in various fields, including
Semantic Scholar extracted view of "Fiber-optic differential pressure sensor for deep-sea large pressure background conditions" by Xujin Li et al.
Abstract—This article presents a high-sensitivity fiber Bragg grating (FBG) pressure sensor with a metal diaphragm and hinge-lever structure designed for small-range pressure measurement.
Fiber Bragg grating technology is popularly used in measurements of various physical parameters, such as pressure, temperature, and strain for civil
A fiber Bragg grating (FBG) flow sensor is designed and fabricated, in which two FBGs are fixed on the front and other side of the metal diaphragm, and differential pressure is used to monitor
This review paper aims to give a general understanding of the basic principles of FBG sensors, advances in sensing and data processing techniques, developments of novel optical fiber
Pressure sensors based on fiber Bragg gratings in side-hole optical fiber enable remote monitoring of pressure at multiple points within many otherwise inaccessible environments. However, sensors
Abstract By means of novel packaged-structure design, a temperature independent differential pressure sensor based on fiber Bragg gratings with high sensitivity is experimentally
Fiber Bragg Grating (FBG) technology is one of the most popular choices for optical fiber sensors for strain or temperature measurements due to their simple manufacture, as we will see later on, and
A fiber Bragg grating (FBG) pressure sensor is proposed, designed, and fabricated for lateral earth pressure sensing, in which the FBG sensor is mounted on a 3D printed trestle structure combined
This chapter provides an overview of optical fiber Bragg grating sensors to measure single and multi-axis strain, pressure, temperature, moisture, vibration, acoustics, and other environmental parameters.
This paper describes steps involved in the design and realization of a new type of pressure sensor based on the optical fiber Bragg grating. A
FBG pressure sensors offer crucial information for drilling operations and resource extraction by tracking pressure variations in boreholes and downhole
Citations (71) References (16) Abstract An optical-based differential pressure (DP) flow sensor has been developed for an optically-powered hydraulic valve monitoring and feedback control
2.1.1 Fibre Bragg Grating Optical Fibre Bragg Grating (FBG) sensors are extensively investigated and used in measuring local static and fluctuating temperature, strain, bending, pressure and refractive
The demand for accurate low-pressure sensing has become indispensable across diverse industries and research domains, where meticulous pressure monitoring holds paramount
This review holds important academic and practical value. From a scholarly perspective, it systematically addresses the entire technical chain of optical fiber
The present study proposes a novel real time dynamic pressure sensing device employing Fiber Bragg Grating (FBG) sensor. A hermetically sealed chamber with one surface comprising of a glass epoxy
In this work, a high-precision differential-pressure FBG gas flow and a temperature sensor with an embedded nozzle were designed using a long-diameter nozzle-type throttle tube with a fiber
In-fiber Bragg grating filters continue to proliferate, and their applications expand with the rapid advancement of fiber optic component fabrication techniques. Mathematical models for the
In order to accurate measurement of seepage water pressure in soil, according to the pressure sensor characteristic of bellows, and the strain sensor characteristic of triangle cantilever
Abstract With its unique capabilities, the optical fiber Bragg grating has been used as a key component in the development of many sensors. Incorporating the theory of thin plates, the