Photonic crystal fibers are a kind of fiber optics that present a diversity of new and improved
features beyond what conventional optical fibers can offer. Due to their unique geometric …

Needs for sensor miniaturization, versatile sensing solutions, and improved measurements'
performances in difficult operating environments have recently driven considerable research …

Optical measurement of mechanical parameters is gaining significant commercial interest in
different industry sectors. Torsion, twist and rotation are among the very frequently measured …

An optical fiber twist sensor is proposed by using solid core low birefringence photonic
crystal fiber (LB-PCF)-based Sagnac interferometer. The twist effects on the fiber are …

A special photonic crystal fiber based Surface Plasmon Resonance (PCF-SPR) sensor
having ability of polarization filtering is designed for the simultaneous measurement of …

We report on enhanced torsion sensitivity by using a highly birefringent photonic crystal fiber
(HB-PCF)-based Sagnac interferometer. In order to increase the torsion sensitivity, we …

A power-interrogated sensor which allows for simultaneous measurement of temperature
and torsion is proposed and experimentally demonstrated, which is based on utilization of …

We report a highly sensitive twist sensor based on a Sagnac interferometer constructed with
a new type of optical fiber which contains an elliptical core and two large semicircular-holes …

A highly sensitive torsion sensor, which can measure the torsion angle and determine the
torsion direction simultaneously, is proposed and demonstrated based on Sagnac …

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 …