Results 31 to 40 of about 49,160 (290)

Facile Cell-Friendly Hollow-Core Fiber Diffusion-Limited Photofabrication

open access: yesFrontiers in Bioengineering and Biotechnology, 2021
Bioprinting emerges as a powerful flexible approach for tissue engineering with prospective capability to produce tissue on demand, including biomimetic hollow-core fiber structures. In spite of significance for tissue engineering, hollow-core structures
Alexander G. Savelyev   +20 more
doaj   +1 more source

Analytical Formulas for Dispersion and Effective Area in Hollow-Core Tube Lattice Fibers

open access: yesFibers, 2021
In this work, we propose analytical formulas for the estimation of dispersion properties and effective area of the fundamental mode of hollow-core inhibited coupling fibers with a microstructured cladding composed by a ring of dielectric tubes.
Lorenzo Rosa   +2 more
doaj   +1 more source

Dynamics of blueshifted floating pulses in gas filled hollow-core photonic crystal fibers [PDF]

open access: yes, 2013
Frequency blueshifting was recently observed in light pulses propagating on gas filled hollow-core photonic crystal fibers where a plasma has been produced due to photoionization of the gas.
Carvalho, M. I., Facao, M.
core   +4 more sources

All-Fiber Gas Cavity Based on Anti-Resonant Hollow-Core Fibers Fabricated by Splicing with End Caps

open access: yesPhotonics, 2021
In recent years, fiber gas lasers have obtained a rapid development, however, efficient and stable pump coupling is a key limitation for their applications in the future.
Jing Shi   +8 more
doaj   +1 more source

Silica hollow core microstructured fibres for mid-infrared surgical applications [PDF]

open access: yes, 2013
In this paper two silica hollow core microstructured fibres (Negative Curvature Fibre and Photonic Bandgap Fibre) are presented with attenuations of 0.06 dB/m and 1.1 dB/m at 2.94 μm wavelengths, respectively.
Hand, Duncan Paul   +5 more
core   +2 more sources

Negative Curvature Hollow-Core Optical Fiber [PDF]

open access: yesIEEE Journal of Selected Topics in Quantum Electronics, 2016
The background, optical properties, and applications of low-loss negative curvature hollow-core fiber are reviewed. Data on spectral attenuation are collated and extended.
Yu, Fei, Knight, Jonathan
openaire   +1 more source

Flexible delivery of Er:YAG radiation at 2.94 µm with negative curvature silica glass fibers:a new solution for minimally invasive surgical procedures [PDF]

open access: yes, 2012
We present the delivery of high energy microsecond pulses through a hollow-core negative-curvature fiber at 2.94 µm. The energy densities delivered far exceed those required for biological tissue manipulation and are of the order of 2300 J/cm(2).
Hand, Duncan Paul   +5 more
core   +1 more source

Hollow-core photonic band gap fibers for particle acceleration

open access: yesPhysical Review Special Topics. Accelerators and Beams, 2011
Photonic band gap (PBG) dielectric fibers with hollow cores are being studied both theoretically and experimentally for use as laser driven accelerator structures. The hollow core functions as both a longitudinal waveguide for the transverse-magnetic (TM)
Robert J. Noble   +2 more
doaj   +1 more source

Kagome Hollow Core Fiber-Based Mid-Infrared Dispersion Spectroscopy of Methane at Sub-ppm Levels

open access: yesSensors, 2019
In this paper, we demonstrate the laser-based gas sensing of methane near 3.3 µm inside hollow-core photonic crystal fibers. We exploit a novel anti-resonant Kagome-type hollow-core fiber with a large core diameter (more than 100 µm) which ...
Karol Krzempek   +2 more
doaj   +1 more source

Predicting Structural and Optical Properties of Hollow-Core Photonic Bandgap Fibers from Second Stage Preforms

open access: yes, 2013
We propose a simple theory based on mass conservation that allows accurate prediction of guidance properties in hollow-core photonic bandgap fibers (HC-PBGF) from knowledge of the second stage preforms from which the fibers are ...
Baddela, N.K.   +6 more
core   +1 more source

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