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논문 기본 정보

자료유형
학술저널
저자정보
Nam-Hoon Kim (Korea Maritime and Ocean University) Tae-Ho Kang (Korea Maritime and Ocean University) Dong-Hyun Ahn (Korea Maritime and Ocean University) Tae-Soo Kim (Korea Maritime and Ocean University) Gyung-Suk Kil (Korea Maritime and Ocean University)
저널정보
한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제44권 제3호
발행연도
2020.6
수록면
236 - 240 (5page)
DOI
10.5916/jamet.2020.44.3.236

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초록· 키워드

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Underwater rescue-ropes have been used for the underwater activities of divers such as lifesaving, exploration, investigation, and filming and for securing their return paths. Studies have been conducted to visualize rescue-rope by applying an optical fiber and light emitting diode (LED) to pre-existing non-luminous ropes made of nylon, polyethylene, or polypropylene. Furthermore, previous results showed that the visualized ropes could be used for underwater experiments. However, further studies on the reduction of the heat radiated by the low driving current of the LED and an efficient utilization of luminous flux are necessary, as the optical fiber used in the previous study would be damaged by the radiation of the light source. Hence, this study was conducted to utilize the electrical and optical features of the LED and the optical fiber, and to develop a high luminance underwater rescue-rope that is stable for long-term operation. By applying an optimal light concentrator between the LED light source and the optical fiber, the surface luminance was increased by 180% at half the driving current of the LED light source compared with that in the previous study.

목차

Abstract
1. Introduction
2. Method of Luminance Improvement
3. Design and Fabrication
4. Conclusions
References

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