| 摘要 |
PURPOSE: A sunlight system using a high efficiency solar collector is provided to prevent ferrule from being damaged due to collected sunlight by installing a ferrule protection window to protect ferrule. CONSTITUTION: A collector(10) collects sunlight transmitted to a collection coupler(20). A solar tracker corrects incident sunlight changed according to the position of the sun. A optical fiber coupler(40) connects a POF(Plastic Optical Fiber) to a GOF(Glass Optical Fiber) and transmits the sunlight of the collection coupler to a lighting device(80) by changing the thickness of the optical fiber. A POF coupler is connected to the collection coupler with the plastic optical fiber.
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