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	Beam shaping element and optical pickup emloying it
	TADA, KAZUNARI; HASHIMURA, JUNJI; ORI, YUICHIRO
	2005-09-29
著作权人	KONICA MINOLTA OPTO, INC.
专利号	WO2005091040A1
国家	世界知识产权组织
文献子类	发明申请
其他题名	Beam shaping element and optical pickup emloying it
英文摘要	A beam shaping element (BC) for converting a laser beam exiting a semiconductor laser light source from an elliptical beam into a circular beam. With regard to a first face (S1) and a second face (S2), both faces have a curvature only in the minor axis direction on the cross-section of the elliptical beam, one face is an arcuate cylindrical face, and the other face is a non-arcuate cylindrical face. Furthermore, a conditional expression 2≤T1/T0≤10 is satisfied (T1: the core thickness of the beam shaping element (BC), T0: the optical distance on the axis between the semiconductor laser light source and the beam shaping element (BC)).
公开日期	2005-09-29
申请日期	2005-03-14
状态	未确认
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/53592]
专题	半导体激光器专利数据库
作者单位	KONICA MINOLTA OPTO, INC.
推荐引用方式 GB/T 7714	TADA, KAZUNARI,HASHIMURA, JUNJI,ORI, YUICHIRO. Beam shaping element and optical pickup emloying it. WO2005091040A1. 2005-09-29.

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