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1 W High Performance LED-Array Based Optical Wireless Power Transmission System for IoT Terminals

Photonics, 2022-08, Vol.9 (8), p.576 [Peer Reviewed Journal]

COPYRIGHT 2022 MDPI AG ;2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 2304-6732 ;EISSN: 2304-6732 ;DOI: 10.3390/photonics9080576

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Title:
1 W High Performance LED-Array Based Optical Wireless Power Transmission System for IoT Terminals
Author: Zhao, Mingzhi ; Miyamoto, Tomoyuki
Subjects: Aperture ; Arrays ; Communications equipment ; Efficiency ; Electric power transmission ; Electricity ; Electricity distribution ; GaAs solar cell ; high power ; Internet of Things ; Lasers ; LED ; Light ; Light emitting diodes ; Numerical analysis ; Optical wireless ; optical wireless power transmission ; Photovoltaic cells ; Power management ; Power sources ; Semiconductors ; Smartphones ; Solar cells ; Terminals ; Wireless power transmission ; WPT
Is Part Of: Photonics, 2022-08, Vol.9 (8), p.576
Description: Optical wireless power transmission (OWPT) is a promising technology for remote energy supply, especially for powering Internet of things (IoT) terminals. Light-emitting diode (LED)-based power sources of OWPT are attractive for the development of high-performance systems without the constraints of safety issues. In this paper, the electricity output of a near-infrared LED-OWPT is significantly improved. The saturation output caused by the small lens aperture in the LED array collimation scheme was analyzed. The experiment achieved a maximum electricity output of more than 1 W from a 50 × 50 mm2 GaAs solar cell at 1 m transmission distance. In addition, the thermal features also proved the feasibility of a high-output LED-OWPT system for practical applications.
Publisher: Basel: MDPI AG
Language: English
Identifier: ISSN: 2304-6732
EISSN: 2304-6732
DOI: 10.3390/photonics9080576
Source: ROAD: Directory of Open Access Scholarly Resources
ProQuest Central
DOAJ Directory of Open Access Journals

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1 W High Performance LED-Array Based Optical Wireless Power Transmission System for IoT Terminals

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