Results 1 to 10 of about 42,215 (202)

Power and Spectral Range Characteristics for Optical Power Converters [PDF]

Energies, 2021
High-performance optical power converters (OPCs) enable isolated electrical power and power beaming applications at new wavelengths and higher output powers.
Simon Fafard, Denis Masson, Jan-Gustav Werthen, James Liu, Ta-Chung Wu, Christian Hundsberger, Markus Schwarzfischer, Gunther Steinle, Christian Gaertner, Claudio Piemonte, Bernd Luecke, Josef Wittl, Martin Weigert   +12 more
doaj   +2 more sources

Machine learning enhanced design and knowledge discovery for multi-junction photonic power converters [PDF]

Scientific Reports
Machine learning is proving to be a revolutionary tool across many disciplines, including optoelectronic device design. In this report, we compare classical and machine learning enhanced design optimization methodologies.
Robert F. H. Hunter, Gavin P. Forcade, Yuri Grinberg, D. Paige Wilson, Meghan N. Beattie, Christopher E. Valdivia, Mathieu de Lafontaine, Louis-Philippe St-Arnaud, Henning Helmers, Oliver Höhn, David Lackner, Carmine Pellegrino, Jacob J. Krich, Alexandre W. Walker, Karin Hinzer   +14 more
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Perspective on photovoltaic optical power converters [PDF]

Journal of Applied Physics, 2021
Optical wireless power transmission (OWPT) can be used for applications that cannot access traditional power using metal wires. Photovoltaic power-converting III-V semiconductor devices are the core components required for achieving such remote and galvanically isolated power deployments.
Simon Fafard, Denis P. Masson
openaire   +1 more source

Recent Advancement in Power-over-Fiber Technologies

Photonics, 2021
Power-over-fiber is a power transmission technology using optical fibers that offers various features not available in conventional power lines, such as copper wires.
Motoharu Matsuura
doaj   +1 more source

Onset of Quantum-Confined Stark Effects in Multijunction Photovoltaic Laser Power Converters Designed with Thin Subcells

Photonics, 2023
Photovoltaic multijunction power-converting III–V semiconductor devices generate electrical power from the optical energy of laser beams. They exhibit conversion efficiencies reaching values greater than 60% and 50% for the GaAs and the InP material ...
Simon Fafard, Denis Masson
doaj   +1 more source

74.7% Efficient GaAs-Based Laser Power Converters at 808 nm at 150 K

Photonics, 2022
High-efficiency multijunction laser power converters are demonstrated for low temperature applications with an optical input at 808 nm. The photovoltaic power converting III-V semiconductor devices are designed with GaAs absorbing layers, here with 5 ...
Simon Fafard, Denis P. Masson
doaj   +1 more source

Vertical Multi-Junction Laser Power Converters with 61% Efficiency at 30 W Output Power and with Tolerance to Beam Non-Uniformity, Partial Illumination, and Beam Displacement

Photonics, 2023
Stable and reliable optical power converting devices are obtained using vertical multi-junction laser power converters. They are based on the GaAs and the InP material systems and are used for power-over-fiber or power-beaming applications.
Simon Fafard, Denis Masson
doaj   +1 more source

High-Efficiency and High-Power Multijunction InGaAs/InP Photovoltaic Laser Power Converters for 1470 nm

Photonics, 2022
The high-efficiency capabilities of multijunction laser power converters are demonstrated for high-power applications with an optical input of around 1470 nm. The InP-based photovoltaic power converting III-V semiconductor devices are designed here, with
Simon Fafard, Denis P. Masson
doaj   +1 more source

Review of Experimental Verification Methods of Gyrotron Quasi-optical Mode Converters

Journal of Telecommunications and Information Technology, 2020
This survey presents a review of experimental methods relied upon while implementing gyrotron higher mode generation techniques and performing near electromagnetic field measurements in launcher and quasi-optical mode converters. In particular, the paper
Grzegorz Jaworski, Andrzej R. Francik, Maciej Nowak, Kacper Nowak   +3 more
doaj   +1 more source

The reduction of the thermal quenching effect in laser-excited phosphor converters using highly thermally conductive hBN particles

Scientific Reports, 2021
Phosphor converters for solid state lighting applications experience a strong thermal stress under high-excitation power densities. The recent interest in laser diode based lighting has made this issue even more severe.
Akvilė Zabiliūtė-Karaliūnė, Justina Aglinskaitė, Prancis̆kus Vitta   +2 more
doaj   +1 more source