Results 11 to 20 of about 45,931 (274)

Braided Fabrication of a Fiber Bragg Grating Sensor [PDF]

open access: yesSensors, 2020
Our objective was to construct textile braiding manufacturing methods to facilitate high precision and accurate measurements using optical fiber Bragg grating sensors for various structures. We aimed to combine three-dimensional (3D) braiding processing with the optical Bragg grating sensor’s accurate metrology. Outside the limits of the sensor’s epoxy
Lee, Songbi, Lee, Joohyeon
openaire   +5 more sources

Formation and Applications of the Secondary Fiber Bragg Grating [PDF]

open access: yesSensors, 2017
Being one of the most proven fiber optic devices, the fiber Bragg grating has developed continually to extend its applications, particularly in extreme environments. Accompanying the growth of Type-IIa Bragg gratings in some active fibers, a new resonance appears at the shorter wavelength.
Bai-Ou Guan   +3 more
openaire   +5 more sources

Erbium-doped fiber ring cavity assisted by an FBG and PS-FBG reflector for refractive-index measurements - INVITED [PDF]

open access: yesEPJ Web of Conferences, 2023
This work presents an interrogator system based on an erbium-doped fiber ring cavity for refractive-index measurements. This fiber ring cavity is assisted by a fiber Bragg grating and a phase-shift fiber Bragg grating, both with a similar central ...
Perez-Herrera Rosa Ana   +6 more
doaj   +1 more source

A New Type of Etched Fiber Grating Hydrophone

open access: yesPhotonics, 2022
We propose a new type of fiber hydrophone composed of an etched fiber Bragg grating and a special packaging structure for detecting acoustic waves in the low-frequency band under water.
Wen-Fung Liu   +4 more
doaj   +1 more source

A Fiber Bragg Grating-Based Anemometer [PDF]

open access: yesSensors, 2018
A novel fiber anemometer based on two pairs of fiber gratings is experimentally demonstrated and can simultaneously detect wind speed and wind direction. One pair of gratings, which are separated by 90° in space, is fixed on a small stainless steel pipe driven by a rotating disc for measuring the wind-direction angle.
Huang, Chuan-Ying   +3 more
openaire   +4 more sources

Fiber Bragg Grating Based Thermometry [PDF]

open access: yesNCSLI Measure, 2015
In recent years there has been considerable interest in developing photonic temperature sensors such as the Fiber Bragg gratings (FBG) as an alternative to resistance thermometry. In this study we examine the thermal response of FBGs over the temperature range of 233 K to 393 K.
John Quintavalle   +3 more
openaire   +4 more sources

Bioresorbable optical fiber Bragg gratings [PDF]

open access: yesOptics Letters, 2018
We demonstrate, for the first time, an inscription and wet dissolution study of Bragg gratings in a bioresorbable calcium-phosphate glass optical fiber. Bragg gratings, with average refractive index changes of 5.8×10-4, were inscribed using 193 nm excimer laser radiation.
Pugliese D.   +6 more
openaire   +4 more sources

Fiber-Optic Bragg Gratings for Temperature and Pressure Measurements in Isotope Production Targets for Nuclear Medicine

open access: yesApplied Sciences, 2020
A Bragg grating inscribed into an inorganic optical fiber was tested in proton and neutron fields up to doses of 472 Gy. Observation showed that radiation had no effect on the performance of the Fiber Bragg Grating (FBG) used as a gauge measuring ...
Michael Bakaic   +6 more
doaj   +1 more source

Analisa Perbandingan Kinerja Modulasi Langsung dan Modulasi Eksternal pada Adaptif Fiber Bragg Grating di Radio over Fiber System

open access: yesSimetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer, 2023
Kombinasi Frekuensi Radio dan Fiber Optik telah menghasilkan transmisi berkapasitas tinggi dengan biaya komponen yang lebih rendah dan menjadikan Radio over Fiber sebagai trend komunikasi broadband besar saat ini.
Febrizal Ujang   +5 more
doaj   +1 more source

Strain-Sensing Mechanism and Axial Stress Response Characterization of Bolt Based on Fiber Bragg Grating Sensing

open access: yesEnergies, 2022
The anchoring quality of bolts is related to roadway safety and the surrounding rock stability. Due to the limitations of conventional monitoring methods in capturing strain, there still exists a gap in the real-time perception of the mechanical ...
Gaochuan Guo   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy