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Received: Mar. 1, 2018
Accepted: Jun. 13, 2018
Posted: Jan. 17, 2019
Published Online: Aug. 2, 2018
The Author Email: Sung-Man Kim (sungman@ks.ac.kr)
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Sung-Man Kim, Jongmyeong Choi, Hyunwoo Jung. Experimental demonstration of underwater optical wireless power transfer using a laser diode[J]. Chinese Optics Letters, 2018, 16(8): 080101
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Atmospheric Optics and Oceanic Optics
Chinese Optics Letters, Vol. 16, Issue 8, 080101 (2018)
Experimental demonstration of underwater optical wireless power transfer using a laser diode 
Sung-Man Kim*, Jongmyeong Choi, and Hyunwoo Jung
Author Affiliations
- Department of Electronic Engineering, Kyungsung University, Nam-Gu, Busan 48434, Korea
Abstract
We experimentally demonstrate an underwater optical wireless power transfer (OWPT) using a laser diode (LD) as a power transmitter. We investigate the characteristics of a solar cell and a photodiode (PD) as a power receiver. We optimize the LD, the PD, and the solar cell to achieve the maximum transfer efficiency. The maximum transfer efficiency of the back-to-back OWPT is measured as 4.3% with the PD receiver. Subsequently, we demonstrate the OWPT in tap and sea water. Our result shows an attenuation of 3 dB/m in sea water.
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