Angularly Cascaded Long-Period Fiber Grating for Curvature and Temperature Detection. [PDF]
A high-sensitivity curvature sensor with dual-parameter measurement ability based on angularly cascaded long-period fiber grating (AC-LPFG) is proposed and experimentally demonstrated, which consists of two titled LPFGs (TLPFGs) with different tilt ...
Xiao A +9 more
europepmc +2 more sources
Long-Period Fiber Grating Sensors for Chemical and Biomedical Applications. [PDF]
Optical fiber biosensors (OFBS) are being increasingly proposed due to their intrinsic advantages over conventional sensors, including their compactness, potential remote control and immunity to electromagnetic interference.
Cai J, Liu Y, Shu X.
europepmc +2 more sources
High-Order Modes Micro-Knot Excited by a Long-Period Fiber Grating. [PDF]
We suggest a fiber micro-knot fabricated on a long-period fiber grating. The long-period fiber grating excites high-order modes into the micro-knot and transfers the output back to the Gaussian mode.
Shahal S, Duadi H, Fridman M.
europepmc +2 more sources
Application of Robust, Packaged Long-Period Fiber Grating for Strain Measurement. [PDF]
This paper proposes an optical fiber strain sensor based on packaged long-period fiber gratings (PLPFG) which is fabricated by the micro-electromechanical systems (MEMS) process and packaged with poly-dimethylsiloxane (PDMS) polymer materials.
Ma KP +4 more
europepmc +2 more sources
An Ultrasensitive Long-Period Fiber Grating-Based Refractive Index Sensor with Long Wavelengths. [PDF]
The response of a novel long-period fiber grating (LPFG) with a period of 180 µm to a surrounding refractive index (RI) was investigated. The results displayed that, with the increase in RI of the surrounding media of cladding glass in the grating region,
Li QS +8 more
europepmc +2 more sources
Simultaneous generation of first- to fourth-order OAM modes based on a cascaded preset-twist long-period fiber grating. [PDF]
We propose and demonstrate the simulation and fabrication of an all-fiber orbital angular momentum (OAM) mode converter capable of generating first- to fourth-order modes simultaneously, which is realized by inscribing a cascaded preset-twist long-period
Chang W +6 more
europepmc +2 more sources
Long Period Fiber Grating Surface Plasmon Resonance Enhanced Sensor
In view of the common problems of fiber surface plasmon resonance sensor with weak strength, low sensitivity and low plasma excitation efficiency, this paper proposes to use the long-period fiber grating as an auxiliary platform to study the ways of ...
LIU Zhi-wei +4 more
doaj +3 more sources
In this paper, we investigate modification of transmission spectra of long-period fiber grating structures with an acoustic shock front propagating along the fiber.
Oleg V. Ivanov +2 more
doaj +1 more source
Advances in Multicore Fiber Grating Sensors
In recent years, multicore fiber (MCF) has attracted increasing interest for sensing applications, due to its unique fiber structure of multiple parallel cores in a single fiber cladding, which offers a flexible configurable platform to establish diverse
Zhiyong Zhao, Yunli Dang, Ming Tang
doaj +1 more source
Helical Long Period Fiber Grating Inscribed in Elliptical Core Polarization-Maintaining Fiber
A high-quality helical long period fiber grating (HLPFG) in elliptical core polarization-maintaining fiber (PMF) was experimentally demonstrated by using the hydrogen-oxygen flame heating technique.
Cailing Fu +3 more
doaj +1 more source

