Fiber-optic sensors for measurements of torsion, twist and rotation: a review
V Budinski, D Donlagic - Sensors, 2017 - mdpi.com
Optical measurement of mechanical parameters is gaining significant commercial interest in
different industry sectors. Torsion, twist and rotation are among the very frequently measured …
different industry sectors. Torsion, twist and rotation are among the very frequently measured …
Polarization-assisted fiber Bragg grating sensors: Tutorial and review
Fiber Bragg gratings (FBGs) are inherently sensitive to temperature, axial strain, and
pressure, which can be easily measured by a shift of the Bragg wavelength in their …
pressure, which can be easily measured by a shift of the Bragg wavelength in their …
Ultra-compact strain-and temperature-insensitive torsion sensor based on a line-by-line inscribed phase-shifted FBG
B Huang, X Shu - Optics Express, 2016 - opg.optica.org
A novel temperature-and strain-independent optical fiber torsion sensor based on a phase-
shifted fiber Bragg grating (PSFBG) inscribed by the line-by-line (LbL) technique in a …
shifted fiber Bragg grating (PSFBG) inscribed by the line-by-line (LbL) technique in a …
Long period fiber grating based on periodically screw-type distortions for torsion sensing
A novel long-period fiber grating (LPFG), fabricated by periodically cascading a series of
screw-type distortions, is proposed and experimentally demonstrated. These screw-type …
screw-type distortions, is proposed and experimentally demonstrated. These screw-type …
Multi-phase-shifted helical long period fiber grating based temperature-insensitive optical twist sensor
R Gao, Y Jiang, L Jiang - Optics Express, 2014 - opg.optica.org
A compact temperature-insensitive optical fiber twist sensor based on multi-phase-shifted
helical long period fiber grating has been proposed and experimentally demonstrated in this …
helical long period fiber grating has been proposed and experimentally demonstrated in this …
Power-interrogated and simultaneous measurement of temperature and torsion using paired helical long-period fiber gratings with opposite helicities
L Xian, P Wang, H Li - Optics Express, 2014 - opg.optica.org
A power-interrogated sensor which allows for simultaneous measurement of temperature
and torsion is proposed and experimentally demonstrated, which is based on utilization of …
and torsion is proposed and experimentally demonstrated, which is based on utilization of …
Highly sensitive twist sensor employing Sagnac interferometer based on PM-elliptical core fibers
B Song, H Zhang, Y Miao, W Lin, J Wu, H Liu, D Yan… - Optics express, 2015 - opg.optica.org
A highly sensitive optical fiber twist sensor has been proposed by employing a Sagnac
interferometer based on polarization-maintaining elliptical core fibers (PM-ECFs). The twist …
interferometer based on polarization-maintaining elliptical core fibers (PM-ECFs). The twist …
In fiber Bragg grating twist sensor based on analysis of polarization dependent loss
W Yiping, M Wang, X Huang - Optics express, 2013 - opg.optica.org
In this paper, a new technique exploiting the polarization properties of normal fiber Bragg
grating (FBG) for twist sensing is firstly proposed and experimentally demonstrated. The …
grating (FBG) for twist sensing is firstly proposed and experimentally demonstrated. The …
Multi-mode interferometer-based twist sensor with low temperature sensitivity employing square coreless fibers
An all-fiber twist sensor based on multimode interferometer (MMI) has been proposed and
fabricated by splicing both ends of a section of square no-core fiber (NCF) with a single …
fabricated by splicing both ends of a section of square no-core fiber (NCF) with a single …
Highly sensitive twist sensor based on partially silver coated hollow core fiber structure
Interferometer based on multiple beam interferences inside a hollow core fiber (HCF)
structure (also known as an antiresonant reflecting optical waveguide) has been attracting …
structure (also known as an antiresonant reflecting optical waveguide) has been attracting …