Results 31 to 40 of about 2,003,468 (302)

A hybrid mode locked laser as millimetre wave modulated data source for radio-over-fiber systems [PDF]

open access: yes, 2009
The paper presents a characterisation of a hybrid mode locked laser under external injection locking. It shows how such a system can be used to transmit baseband data without the requirement of an external ...
Cryan, MJ   +3 more
core   +1 more source

Fiber reorientation in hybrid helicoidal composites

open access: yesJournal of the Mechanical Behavior of Biomedical Materials, 2020
Naturally occurring biological materials with stiff fibers embedded in a ductile matrix are commonly known to achieve excellent balance between stiffness, strength and ductility. In particular, biological composite materials with helicoidal architecture have been shown to exhibit enhanced damage tolerance and increased impact energy absorption. However,
Di Wang   +4 more
openaire   +3 more sources

Effect of Glass Fiber Hybridization on the Behavior Under Impact of Woven Carbon Fiber/Epoxy Laminates [PDF]

open access: yes, 2010
The low-velocity impact behavior was studied in hybrid laminates manufactured by RTM with woven carbon and glass (S2) fabrics. Specimens with different thicknesses and glass fiber content (from 0 to 21 vol.%) were tested with impact energies in the range
Enfedaque Díaz, Alejandro
core   +1 more source

Experimental Investigation on Compressive Toughness of the PVA-Steel Hybrid Fiber Reinforced Cementitious Composites

open access: yesFrontiers in Materials, 2019
In order to achieve the whole process control of crack formation of engineered cementitious composites (ECC) under loading and improve the mechanical properties of ECC, steel fibers are mixed into traditional ECC to get polyvinyl alcohol (PVA)-steel ...
Wenlin Liu, Jianping Han
doaj   +1 more source

Hybrid Optical Fibers – An Innovative Platform for In‐Fiber Photonic Devices [PDF]

open access: yesAdvanced Optical Materials, 2015
The field of hybrid optical fibers is one of the most active research areas in current fiber optics and has the vision of integrating sophisticated materials inside fibers, which are not traditionally used in fiber optics. Novel in‐fiber devices with unique properties have been developed, opening up new directions for fiber optics in fields of critical
Schmidt Markus   +2 more
openaire   +3 more sources

Remote downconversion scheme for uplink configuration in radio/fiber systems [PDF]

open access: yes, 2005
The authors present a novel technology for uplink transmission in radio over fiber (RoF) distribution systems. The technique employs remote downconversion of the uplink data to intermediate frequency (IF) in the base station (BS).
Barry, Liam P.   +3 more
core   +2 more sources

All-Fiber Wideband Supercontinuum Generation in Short Hybrid Highly Nonlinear Fibers With a Femtosecond Erbium-Doped Fiber Laser

open access: yesFrontiers in Physics, 2022
Wideband supercontinuum (SC) generation has attracted considerable attention due to its various practical applications in many fields. We report on all-fiber SC generation in hybrid highly nonlinear fibers (HNLFs) pumped with a femtosecond erbium-doped ...
Shuang Zhang   +5 more
doaj   +1 more source

Improved performance of a hybrid radio/fiber system using a directly modulated laser transmitter with external injection [PDF]

open access: yes, 2002
A directly modulated laser diode with external light injection is used to generate microwave optical signals for a hybrid radio/fiber system. The external light injection greatly enhances the frequency response of the laser, and thus, significantly ...
Anandarajah, Prince M.   +2 more
core   +2 more sources

Narrow beam and low-sidelobe electro-optic beam steering on thin-film lithium niobate optical phased array

open access: yesOpto-Electronic Science
Optical beam steering has become indispensable in free-space optical communications, light detection and ranging (LiDAR), mapping, and projection.
Yang Li   +11 more
doaj   +1 more source

Overmolding of Hybrid Long and Short Carbon Fiber Polypropylene Composite: Optimizing Processing Parameters

open access: yesJournal of Manufacturing and Materials Processing, 2021
Injection overmolding was used to produce hybrid unidirectional continuous-short carbon fiber reinforced polypropylene. Polypropylene pellets containing short carbon fibers were melted and overmolded on unidirectional carbon fibers, which act as the core
Cahyo Budiyantoro   +2 more
doaj   +1 more source

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