Packaging of an optical fiber head with optical fiber not immersed in cooling water to enhance reliability and optical performance

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	Packaging of an optical fiber head with optical fiber not immersed in cooling water to enhance reliability and optical performance
其他题名	Packaging of an optical fiber head with optical fiber not immersed in cooling water to enhance reliability and optical performance
	HSIA, CHUNGHO; SHEN, PAI-SHENG
	2019-02-19
专利权人	LIGHTEL TECHNOLOGIES, INC.
公开日期	2019-02-19
授权国家	美国
专利类型	授权发明
摘要	A water-cooled package of an optical fiber head comprising a delivery optical fiber (DOF), a front optical end cap (OEC), a rear OEC, a glass ferrule, and a housing operates for delivering the laser light from DOF to free space. The rear OEC is fusion-spiced with a section of DOF with a cladding exposed whereas the section of DOF is enclosed in a bore of the glass ferrule. When the glass ferrule is connected and sealed between the front OEC and the rear OEC, cooling water in the water-cooled package is prevented from immersing the section of DOF to maintain reliability of DOF. It is, therefore, not needed to bond the section of DOF in a bore of the front OEC to be waterproof, minimizing varying stress-induced speckle patterns and ultimately maintaining beam quality of the laser light exiting from DOF to free space.
其他摘要	一种水冷式光纤头包装，包括输送光纤（DOF），前光学端盖（OEC），后OEC，玻璃套圈和外壳，用于将来自DOF的激光传送到自由空间。后部OEC采用一段DOF熔融点火，外露包层，而DOF部分则封闭在玻璃套圈的孔中。当玻璃套圈连接并密封在前OEC和后OEC之间时，防止水冷封装中的冷却水浸入DOF部分以保持DOF的可靠性。因此，不需要将前部OEC的孔中的DOF部分粘合成防水，从而最小化变化的应力引起的散斑图案并最终保持从DOF出射到自由空间的激光的光束质量。
授权日期	2019-02-19
申请日期	2018-10-01
专利号	US10209453
专利状态	授权
申请号	US16/148595
公开（公告）号	US10209453
IPC 分类号	G02B6/44 \| G02B6/36 \| G02B6/255 \| G02B6/24
专利代理人	HAN, ANDY M.
代理机构	HAN IP PLLC
文献类型	专利
条目标识符	http://ir.opt.ac.cn/handle/181661/38110
专题	半导体激光器专利数据库
作者单位	LIGHTEL TECHNOLOGIES, INC.
推荐引用方式 GB/T 7714	HSIA, CHUNGHO,SHEN, PAI-SHENG. Packaging of an optical fiber head with optical fiber not immersed in cooling water to enhance reliability and optical performance. US10209453[P]. 2019-02-19.

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