Results 11 to 20 of about 118,454 (169)

Analysis of the applicability of singlemode optical fibers for measurement of deformation with distributed systems BOTDR [PDF]

open access: yes, 2016
Distributed optical fiber sensors allow monitoring physical effects across the whole cable. The paper presents results obtained from the performed tests and shows that single mode fibers can provide analyses of the deformation changes, when distributed ...
Bednárek, Lukáš   +4 more
core   +5 more sources

State of Charge and Capacity Tracking in Vanadium Redox Flow Battery Systems

open access: yesClean Technologies, 2022
The vanadium redox flow battery electrolyte is prone to several capacity loss mechanisms, which must be mitigated to preserve electrolyte health and battery performance.
Kalvin Schofield, Petr Musilek
doaj   +1 more source

2D Material Optoelectronics for Information Functional Device Applications: Status and Challenges

open access: yesAdvanced Science, 2020
Graphene and the following derivative 2D materials have been demonstrated to exhibit rich distinct optoelectronic properties, such as broadband optical response, strong and tunable light–mater interactions, and fast relaxations in the flexible nanoscale.
Teng Tan   +4 more
doaj   +1 more source

Modelling and Design of a Dual Depletion PIN Photodiode as Temperature Sensor

open access: yesSensors, 2023
Nowadays, optical systems play an important role in communications. Dual depletion PIN photodiodes are common devices that can operate in different optical bands, depending on the chosen semiconductors.
Ricardo A. Marques Lameirinhas   +2 more
doaj   +1 more source

Halide Perovskite Single Crystals: Optoelectronic Applications and Strategical Approaches

open access: yesEnergies, 2020
Halide perovskite is one of the most promising semiconducting materials in a variety of fields such as solar cells, photodetectors, and light-emitting diodes.
Yurou Zhang   +8 more
doaj   +1 more source

A Fully Optoelectronic Continuous-Wave 2-Port Vector Network Analyzer Operating From 0.1 THz to 1 THz

open access: yesIEEE Journal of Microwaves, 2021
We present a 2-port terahertz vector network analyzer (VNA) based on four continuous-wave (CW) photomixers and a pair of telecom-wavelength CW lasers. The presented optoelectronic VNA is free-space coupled and can operate continuously from 0.1 THz to 1 ...
Anuar D. J. Fernandez Olvera   +2 more
doaj   +1 more source

Heteroepitaxial growth of ZnO branches selectively on TiO2 nanorod tips with improved light harvesting performance [PDF]

open access: yes, 2011
A seeded heteroepitaxial growth of ZnO nanorods selectively on TiO2 nanorod tips was achieved by restricting crystal growth on highly hydrophobic TiO2 nanorod film surfaces.
Gai, Lili   +4 more
core   +1 more source

Photonic Packaging: Transforming Silicon Photonic Integrated Circuits into Photonic Devices

open access: yesApplied Sciences, 2016
Dedicated multi-project wafer (MPW) runs for photonic integrated circuits (PICs) from Si foundries mean that researchers and small-to-medium enterprises (SMEs) can now afford to design and fabricate Si photonic chips.
Lee Carroll   +12 more
doaj   +1 more source

A Low-Cost Measurement Methodology for LiDAR Receiver Integrated Circuits

open access: yesSensors, 2023
This paper presents a test methodology to facilitate the measuring processes of LiDAR receiver ICs by avoiding the inherent walk error issue. In a typical LiDAR system, a costly laser diode driver emits narrow light pulses with fast rising edges, and the
Ji-Eun Joo   +3 more
doaj   +1 more source

Obtaining Nanostructured ZnO onto Si Coatings for Optoelectronic Applications via Eco-Friendly Chemical Preparation Routes

open access: yesNanomaterials, 2021
Although the research on zinc oxide (ZnO) has a very long history and its applications are almost countless as the publications on this subject are extensive, this semiconductor is still full of resources and continues to offer very interesting results ...
Mirela Petruta Suchea   +8 more
doaj   +1 more source

Home - About - Disclaimer - Privacy