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A rare-earth doped fiber laser at visible wavelength 发明授权

2023-09-20 1830 418K 0

专利信息

申请日期 2025-07-10 申请号 KR1020060102747
公开(公告)号 KR100785096B1 公开(公告)日 2007-12-05
公开国别 KR 申请人省市代码 全国
申请人 KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
简介 PURPOSE : A rare-earth doped fiber laser at visible wavelength is provided to generate an optimum blue laser and an optimum green laser unharmful to a human body through a Tm-doped fiber and an Er-doped fiber. CONSTITUTION : A semiconductor laser(10) emits a laser beam with infrared ray wavelength. A condenser lens(20) condenses the light emitted from the semiconductor laser. An Yb-doped optical fiber(40) outputs an infrared ray of 1050nm-1150nm wavelength and 950nm-975nm by exciting Yb ions by the light incident from the semiconductor laser. A coupler(90) distributes the infrared ray incident from the Yb-doped optical fiber into 950nm-975nm wavelength and 1050nm-1150nm wavelength. A Tm-doped optical fiber(60) outputs blue ray of 480nm wavelength by exciting Tm ions by the light of 1050nm-1150nm emitted through stimulated emission of a resonator among the infrared ray distributed through the coupler. An Er-doped optical fiber(80) outputs green ray of 525nm by exciting Er ions by the light of 950nm-975nm wavelength emitted through stimulated emission of the resonator among the infrared ray distributed through the coupler. The resonator amplifies and emits the infrared ray of each wavelength through stimulated emission. © KIPO 2008


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