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MINJU FAN1, YUNCUI ZHANG1,* , XUFEN XIE1, YUANG CHEN1, DA PAN1, SHUHAN YAN1
With the development of deep-sea lighting technology, it is necessary to design lighting systems to solve the problems of rapid light attenuation for different lighting purposes. This paper presents a compact optical system which combines a central lens and a surrounding lens through closely connected free-form surface to achieve two modes of lighting, long distance and wide-angle range. In the design example, an optical system of 3×3 square LED array is constructed with the combined lenses, which has long-distance lighting 100 m in ocean water and 120 ° large lighting angle simultaneously. The lighting system with small volume, compact structure and multiple functions can be realized and adapted to submarine lighting applications.
Underwater lighting, LED array, Large angle collimation.
MINJU FAN, YUNCUI ZHANG, XUFEN XIE, YUANG CHEN, DA PAN, SHUHAN YAN, A compact optical system design for underwater fishing lamp, Optoelectronics and Advanced Materials - Rapid Communications, 16, 7-8, July-August 2022, pp.287-299 (2022).
Submitted at: Dec. 28, 2021
Accepted at: Aug. 10, 2022
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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