Results 21 to 30 of about 2,043 (264)

Electrically Tunable Propagation Properties of the Liquid Crystal-Filled Terahertz Fiber

open access: yesApplied Sciences, 2018
A bandgap-guiding microstructured fiber for terahertz (THz) radiation was designed by infiltrating the cladding air holes with nematic liquid crystal. Structural parameter dependence of the photonic bandgaps, polarization-dependent bandgap splitting, and
Doudou Wang   +3 more
doaj   +1 more source

Photoinduced Electron Transfer Based Ion Sensing within an Optical Fiber

open access: yesSensors, 2011
We combine suspended-core microstructured optical fibers with the photoinduced electron transfer (PET) effect to demonstrate a new type of fluorescent optical fiber-dip sensing platform for small volume ion detection.
Tanya M. Monro   +5 more
doaj   +1 more source

Highly sensitive salinity sensor based on Mach-Zehnder interferometer with double-C fiber

open access: yesFundamental Research, 2022
This paper proposes a highly sensitive, compact, and low-cost optical fiber salinity sensor based on the Mach-Zehnder interferometer. The sensor is constructed using a single mode fiber (SMF) - no-core fiber - double-C fiber (DCF) - NCF-SMF structure ...
Ya-nan Zhang   +3 more
doaj   +1 more source

Refractive Index Sensing Using Helical Broken-Circular-Symmetry Core Microstructured Optical Fiber

open access: yesSensors, 2022
Helical twist provides an additional degree of freedom for controlling light in optical waveguides, expanding their applications in sensing. In this paper, we propose a helical broken-circular-symmetry core microstructured optical fiber for refractive ...
Mingjie Cui, Zhuo Wang, Changyuan Yu
doaj   +1 more source

Design and Dispersion Control of Microstructured Multicore Tellurite Glass Fibers with In-Phase and Out-of-Phase Supermodes

open access: yesPhotonics, 2021
High nonlinearity and transparency in the 1–5 μm spectral range make tellurite glass fibers highly interesting for the development of nonlinear optical devices.
Elena A. Anashkina, Alexey V. Andrianov
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

A double guidance mechanism, nitroaniline based microstructured optical fiber

open access: yesScientific Reports, 2018
A new type of all-solid, photonic bandgap fiber exhibiting a wavelength dependent guidance mechanism and second harmonic generation capabilities is presented.
Georgios Violakis, Stavros Pissadakis
doaj   +1 more source

Selective Serial Multi-Antibody Biosensing with TOPAS Microstructured Polymer Optical Fibers

open access: yesSensors, 2013
We have developed a fluorescence-based fiber-optical biosensor, which can selectively detect different antibodies in serial at preselected positions inside a single piece of fiber.
Lars H. Pedersen   +3 more
doaj   +1 more source

BEND-INDUCED LOSSES IN A SINGLE-MODE MICROSTRUCTURED FIBER WITH A LARGE CORE [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2015
A study of bend-induced losses in a silica-based single-mode microstructured fiber with a core diameter ranging from 20 to 35 microns and increased relative air content in the holey cladding has been conducted.
Y. A. Gatchin   +5 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

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