A novel and simple fiber-optic sensor for measuring a large displacement range in civil engineering has been developed. The sensor incorporates an extremely simple bowknot bending modulation that incr...
HOME / Experiment on Displacement Characteristics Measurement Using Fiber Optic Sensors - BD Bugler Critical Infrastructure & Optoelectronics
The fiber optic displacement measurement model is established on the base of finite reflective surface, and three-dimensional received light intensity distribution is analyzed in both
A low-cost method to perform precise non-contact displacement measurement by exploiting the near-field chrematistics of fiber specklegrams.
Here, we present a comprehensive analytical model for multi-axis tilt sensing based on intensity-modulated optical fiber sensors (OFDSs).
FODS using plastic fibers are analyzed for force or pressure measurement . Buchade and Shaligram studied the effect of angle between transmitting and receiving fiber on the
A reflective intensity-modulated fiber-optic sensor based on microelectromechanical systems (MEMS) for pressure measurements is
This work introduces a mathematical model for designing optical fiber linear and angular displacement sensors (OFLADS) capable of simultaneously
This paper introduces a novel design methodology for optical fiber bundles in OFDSs, simplifying the design process while customizing it to meet
This paper describes the optimal design of a miniature fiber-optic linear displacement sensor. It is characterised by its ability to measure the
Optical Fiber Displacement Sensors (OFDSs) provide several advantages over conventional sensors, including their compact size, flexibility,
A fiber-optic displacement sensor based on Fabry–Pérot interferometer (FPI) with high sensitivity is investigated in both numerical simulation and experiment. The end faces of two fiber tips
This paper presents a linear fiber optic displacement sensor for the use over a large range based on the macro-bending loss. The sensor incorporates an extremely simple design, light source
Of particular interest here, fiber optic displacement sensors have gained wide interest and have evolved from basic intensity modulation-based configurations to more advanced structures,
The sensor system successfully measured the pore water pressure, and vertical and horizontal ground displacements through a continuous standard optical fibre attached to three
These characteristics allow FBG to be a proper alternative sensing element for displacement measurements. In this article, the recent sensing advances and principles of detection of FBG-based
fiber based sensors are also presented in this chapter. The application of the FODSs in liquid refractive index measu ement is investigated theoretically and experimentally. In the last part of this chapter, a
This article reviews specifically the advanced fiber optic displacement sensing techniques that have been developed in the past two decades.
The paper presents some fiber optic sensors that have been devised to provide a low-cost solution to monitor mechanical quantities, such as displacement, vibration amplitude and
These sensors measured the parameter by allocating a fiber displacement in lateral, longitudinal, angular, or differential deviations and
This paper describes the optimal design of a miniature fiber-optic linear displacement sensor. It is characterized by its ability to measure
In this paper a quasi-distributed fiber-optic displacement sensor (QDFODS) for landslide monitoring using an optical time domain reflectometer (OTDR) was demonstrated.
Experimental results demonstrating the operation of the schemes are presented; optical displacements over a 50 mm range have been recorded with a
Distance measurement is an essential issue in modern industry. Differential intensity sensors based on optical fibers have been very successful.
The paper briefly discusses different sensor princip les. A displacement sensor using multimode, step index fibres is described. Measurement data showing a resolu tion of 0.05 nm/lHZ in a 150 ~m linear
Optical Fiber Displacement Sensors (OFDSs) provide several advantages over conventional sensors, including their compact size, flexibility,