Strain and temperature sensors using multimode optical fiber Bragg gratings and correlation signal processing [PDF]
, 2002 Multimode fiber optic Bragg grating sensors for strain and temperature measurements using correlation signal processing methods have been developed. Two multimode Bragg grating sensors were fabricated in 62/125 m graded-index silica multimode fiber ...
Jones, BE, Jackson, PR, Lim, J, Yang, QP
core +1 more source
Mechanical strength of silica fiber splices after exposure to extreme temperatures [PDF]
, 2012 By using a combination of type-I and regenerated gratings, the mechanical strength of optical fiber splices after exposure to temperatures over 1300 C was characterized. Splice strength was found to decrease with temperature with a secondorder polynomial
John Canning +9 more
core +4 more sources
Performance Analysis of a Noncontact Plastic Fiber Optical Fiber Displacement Sensor with Compensation of Target Reflectivity [PDF]
, 2013 An inexpensive fiber-based noncontact distance sensor specific for monitoring short-range displacements in micromachining applications is presented. To keep the overall costs low, the sensor uses plastic optical fibers and an intensiometric approach ...
Alberto Vallan +8 more
core +1 more source
Polarization properties of interferometrically interrogated fiber Bragg grating and tandem-interferometer strain sensors [PDF]
, 2006 Lead sensitivity in low-coherence interferometric fiber-optic sensors is a well-known problem. It can lead to a severe degradation in the sensor resolution and accuracy through its effect on the fringe visibility and interferometric phase.
Flockhart, G M H +2 more
core +4 more sources
Assessment of a Dual-Wavelength Compensation Technique for Displacement Sensors Using Plastic Optical Fibers [PDF]
, 2012 The paper analyzes the performance of a dual-wavelength technique devised to compensate power fluctuations in intensity-modulated plastic optical fiber sensors, which were specifically conceived for the measurement of displacements in industrial and ...
Massimo Olivero +7 more
core +1 more source
Optical fiber sensor technology [PDF]
IEEE Journal of Quantum Electronics, 1982 The current state of the art of optical fiber sensors is reviewed. The principles of operation are detailed and the various types of fiber sensors are outlined. Achievable performance and limitations are discussed and a description of technology used to fabricate the sensor is presented. The characteristics of acoustic, magnetic, gyro, laser diode, and
Giallorenzi, Thomas G. +6 more
openaire +2 more sources
Radio-frequency ring resonators for self-referencing fiber-optic intensity sensors [PDF]
, 2005 A theoretical and experimental study of radiofrequency ring resonators (RR) for referencing and improving the sensitivity of fiber-optic intensity sensors (FOS) is reported.
Contreras Lallana, Pedro +2 more
core +1 more source
Advances in Tapered Optical Fiber Sensor Structures: From Conventional to Novel and Emerging
Biosensors, 2023 Optical fiber sensors based on tapered optical fiber (TOF) structure have attracted a considerable amount of attention from researchers due to the advantages of simple fabrication, high stability, and diverse structures, and have great potential for ...
Wen Zhang +6 more
doaj +1 more source
Design and Application of a Fiber Bragg Grating Tension Sensor for Anchor Rope
Advances in Mechanical Engineering, 2013 A fiber Bragg grating (FBG) tension sensor for anchor rope has been proposed and implemented in the full-scale impact test of rockfall protection barriers in this paper.
Jun Huang +5 more
doaj +1 more source
Optical fiber sensor for mine safety Internet of things
Gong-kuang zidonghua, 2018 For disadvantages of traditional electronic sensors in mine safety monitoring system such as low precision, poor reliability, a large amount of maintenance, monitoring dead-zone and so on, it was proposed that using optical fiber sensors and wireless ...
LIU Tongyu +15 more
doaj +1 more source