Results 11 to 20 of about 1,461 (256)

Microstructured optical fiber devices

open access: yesOptics Express, 2001
We present several applications of microstructured optical fibers and study their modal characteristics by using Bragg gratings inscribed into photosensitive core regions designed into the air-silica microstructure. The unique characteristics revealed in these studies enable a number of functionalities including tunability and enhanced nonlinearity ...
B, Eggleton   +4 more
openaire   +2 more sources

Hydrogel-Core Microstructured Polymer Optical Fibers for Selective Fiber Enhanced Raman Spectroscopy

open access: yesSensors, 2021
A new approach of Fiber Enhanced Raman Spectroscopy (FERS) is described within this article based on the use of Hydrogel-Core microstructured Polymer Optical Fibers (HyC-mPOF).
Mikel Azkune   +5 more
doaj   +1 more source

Solid microstructured optical fiber

open access: yesOptics Express, 2003
An all-solid microstructured fiber based on two thermallymatched silicate glasses with a high index contrast has been fabricated for the first time. The microstructured cladding was shown to be essentially unchanged during fiber drawing. Fiber attenuation was measured as 5dB/m at 1.55m by the cutback method.
Feng, Xian   +4 more
openaire   +3 more sources

Optical Properties of Microstructured Fibre Tuned by Filling with Magnetic Liquids

open access: yesAdvances in Electrical and Electronic Engineering, 2013
Alternative for adjust optical fiber light-guiding properties by bulk glass doping is provided by microstructured optical fibers, which allows access directly to the light guiding core via their microstructure.
Jan Vanda, Alessandro Candiani
doaj   +1 more source

Antiguiding in microstructured optical fibers

open access: yesOptics Express, 2004
Antiguiding, as opposed to positive index-contrast guiding (or index-guiding), in microstructured air-silica optical fibers is shown to have a significant influence on the fiber's transmission property, especially when perturbations exist near the defect core.
M, Yan, P, Shum
openaire   +2 more sources

Chalcogenide Microstructured Optical Fibers for Mid-Infrared Supercontinuum Generation: Interest, Fabrication, and Applications

open access: yesApplied Sciences, 2018
The mid-infrared spectral region is of great technical and scientific importance in a variety of research fields and applications. Among these studies, mid-infrared supercontinuum generation has attracted strong interest in the last decade, because of ...
Yiming Wu   +3 more
doaj   +1 more source

Ultra-low Brillouin scattering in anti-resonant hollow-core fibers

open access: yesAPL Photonics, 2020
Sensitive optical experiments in fiber, including for applications in communications and quantum information, are limited by the noise generated when light scatters from thermally excited guided-acoustic phonons.
Arjun Iyer   +4 more
doaj   +1 more source

Confinement losses in microstructured optical fibers [PDF]

open access: yesOptics Letters, 2001
We describe a multipole formulation that can be used for high-accuracy calculations of the full complex propagation constant of a microstructured optical fiber with a finite number of holes. We show how the imaginary part of the microstructure, which describes confinement losses not associated with absorption, varies with hole size, the number of rings
T P, White   +4 more
openaire   +2 more sources

Chalcogenide glass hollow core microstructured optical fibers

open access: yesFrontiers in Materials, 2015
The recent developments on chalcogenide glass hollow core microstructured optical fibers (HC-MOFs) are presented. The comparative analysis of simulated optical properties for chalcogenide HC-MOFs of negative-curvature with different size and number of ...
Vladimir S. eShiryaev
doaj   +1 more source

Optical Bend Sensor Based on Eccentrically Micro-Structured Multimode Polymer Optical Fibers

open access: yesIEEE Photonics Journal, 2021
We report on a novel bend sensor with high flexibility and elasticity based on Bragg grating structures in polymer optical fibers to detect bending for the measurement of movement.
Lennart Leffers   +4 more
doaj   +1 more source

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