Wireless power transmission between a NIR VCSEL array and silicon solar cells

masaki Hirota, Shiichi Iio, Yoshimi Ohta, Yuusuke Niwa, Tomoyuki Miyamoto

Research output: Contribution to conferencePaper

1 Citation (Scopus)

Abstract

Aiming widespread use of wireless power transmission, optical wireless power transmission at wavelength of 975 nm between vertical cavity surface emitting laser (VCSEL) arrays and a single crystalline Si solar cell was studied. The power generation efficiency of the cell was measured as high as 33% which was higher than the efficiency of 18% at the time of irradiation with sunlight. This is because the transmission loss is mainly eliminated. However, further reduction of the electrical resistance of the solar cell is necessary because the efficiency decreases with increasing incident energy.

Original languageEnglish
DOIs
Publication statusPublished - Feb 23 2016
Externally publishedYes
Event20th Microoptics Conference, MOC 2015 - Fukuoka, Japan
Duration: Oct 25 2015Oct 28 2015

Other

Other20th Microoptics Conference, MOC 2015
Country/TerritoryJapan
CityFukuoka
Period10/25/1510/28/15

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials

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