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	Apparatus for combining optical radiation
	IAIN BOTHEROYD
	2017-01-18
著作权人	SPI LASERS UK LIMITED
专利号	GB2540432A
国家	英国
文献子类	发明申请
其他题名	Apparatus for combining optical radiation
英文摘要	Apparatus for combining optical radiation, particularly high energy sources such as lasers. It includes a glass taper 2 housing a waveguide, a plurality of inputs 1 coupled to a first end of the taper and an output optical fibre 3 with a polymer coating 13 coupled to the second end of the taper, the diameter of the first end of the taper 9 being greater than the diameter of the second end 1 The taper 2 also has a cladding mode stripper 16 located at a diameter, Dcms 17, equal to a fraction, the numerator of which is the product of the fibre diameter, Dr 12, the numerical aperture of the fibre, NAf 15, and a factor, β 18, which is less than or equal to 0, and the denominator of which is the numerical aperture of the taper, NAT 7. The mode stripper ensures that higher angle rays propagating along the taper 2 towards the output optical fibre 3 are attenuated thus reducing or eliminating damage to the polymer coating 13.
公开日期	2017-01-18
申请日期	2015-07-17
状态	申请中
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/54607]
专题	半导体激光器专利数据库
作者单位	SPI LASERS UK LIMITED
推荐引用方式 GB/T 7714	IAIN BOTHEROYD. Apparatus for combining optical radiation. GB2540432A. 2017-01-18.

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