PDF | On Jan 1, 2013, Ansgar Wego and others published Fiber Optic Displacement Sensor with New Reflectivity Compensation Method | Find, read
These four signals are processed to remove the influence of the fiber and connector losses. A loss-compensated displacement sensor, which uses a schlieren-type transduction mechanism, is
Download Citation | A Fiber Optic Displacement Sensor with Temperature Compensation | Displacement measurement is one of the most important parameters to be monitored. A Fiber Bragg
Discover a new fiber optic displacement sensor with reflectivity compensation. Achieve accurate measurements with changing object reflectivity and extended
On the basis of the intensity distribution function of the output optical field formed by the source fiber end, the compensation mechanism of the twin-receiving-fiber displacement sensor is
This paper introduces a novel design methodology for optical fiber bundles in OFDSs, simplifying the design process while customizing it to meet
Strain, for instance, changes the fiber''s length or refractive index, shifting the wavelength of transmitted light—a phenomenon exploited in fiber Bragg grating sensors or interferometric
Abstract This paper describes the evaluation of a fiber-optic displacement sensor that is compensated for variations in light-source intensity as well as for losses in the fibers. On the basis of
Fiber Bragg grating has embraced the area of fiber optics since the early days of its discovery, and most fiber optic sensor systems today make use of fiber Bragg
This paper describes the evaluation of a fiber-optic displacement sensor that is compensated for variations in light-source intensity as well as for losses in the fibers.
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A typical system comprises a light source, a transmitting optical fiber, a receiving optical fiber, and a photodetector. The fundamental concept
Using interrelated check technology and a reference channel, one can realize compensation of unstable factors of an intensity modulated optic fiber sensor. The author analyzes
In this paper, a fiber optic displacement sensor with a new reflectivity compensation method is presented. The proposed compensation method is based on two light receiving channels with...
On the basis of optical field distribution of multimode fiber, the intensity compensation mechanism of this sensor is analyzed in great detail, at the same time the displacement modulating
Abstract to the effects of variations in the losses of the fiber-link. A variable- splitting-ratio transducer is used to differentially modulat the intensities of the light which it transmits and reflects. Using a four
Beam alignment enables efficient, stable transmission and control of optical energy and information, which critically depend on precise monitoring and regulation of the three-dimensional (3D) relative
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
Displacement measurements are of significant importance in a variety of critical scientific and engineering fields, such as gravitational wave detection, geophysical research, and
This article reviews specifically the advanced fiber optic displacement sensing techniques that have been developed in the past two decades.
Figure 1: Schematic representation of the sensing head of a noncontact POF displacement sensor with one transmitting and one receiving fibers (a) and circuit connections to implement the proposed
Further known methods for reflectivity compensation of fiber optic displacement sensors are based on the dif- ference of the displacement sensitivity of two separate light receiving channels.
Abstract: An optical fiber displacement sensor with a large measuring range for simultaneous displacement and temperature measurement is presented in this paper.
A reflective displacement sensor utilizing three fibers, one transmitting and two receiving with different core diameters, is described in this paper. On the basis of optical field distribution of
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