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	Multi kW Class Blue Laser System
	ZEDIKER, MARK; FIVE, JEAN PHILIPPE; SE, MATTHEW SILVA; JANSEN, MICHAEL
	2019-09-05
著作权人	NUBURU, INC.
专利号	US20190273365A1
国家	美国
文献子类	发明申请
其他题名	Multi kW Class Blue Laser System
英文摘要	The invention may be embodied in other forms than those specifically disclosed herein without departing from itMulti-kW-class blue (400-495 nm) fiber-delivered lasers and module configurations. In embodiments, the lasers propagate laser beams having beam parameter products of <5 mm*mrad, which are used in materials processing, welding and pumping a Raman laser. In an embodiment the laser system is an integration of fiber-coupled modules, which are in turn made up of submodules. An embodiment has sub-modules having a plurality of lensed blue semiconductor gain chips with low reflectivity front facets. These are locked in wavelength with a wavelength spread of <1 nm by using volume Bragg gratings in an external cavity configuration. An embodiment has modules having of a plurality of submodules, which are combined through wavelength multiplexing with a bandwidth of <10 nm, followed by polarization beam combining. The output of each module is fiber-coupled into a low NA fiber. In an embodiment a kW-level blue laser system is realized by fiber bundling and combining multiple modules into a single output fiber.
公开日期	2019-09-05
申请日期	2018-11-01
状态	申请中
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/57752]
专题	半导体激光器专利数据库
作者单位	NUBURU, INC.
推荐引用方式 GB/T 7714	ZEDIKER, MARK,FIVE, JEAN PHILIPPE,SE, MATTHEW SILVA,et al. Multi kW Class Blue Laser System. US20190273365A1. 2019-09-05.

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