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	“device for recording and reading data on a multi-layer optical disc”
	KIYKO VADIM VENIAMINOVICH
	2013-04-12
著作权人	KIYKO VADIM VENIAMINOVICH
专利号	IN1870CHENP2012A
国家	印度
文献子类	发明申请
其他题名	“device for recording and reading data on a multi-layer optical disc”
英文摘要	The invention relates to three-dimensional optical memory devices and can be used in all areas of computing in which it is necessary to record large data files on compact carriers. The device comprises an optical disc positioning system, two sources of radiation with the wavelengths ?l and ?2, a focusing system, an illumination system, focusing system positioning means, a spectrum splitter, an optical sensor, and a control unit. The source of radiation with the wavelength ?2 is in the form of a strip of laser diodes, the optical axes of which are parallel and lie in the same plane, and the illumination system comprises the following components arranged in series along the optical axis: a cylindrical lens positioned so that the generatrix of its cylindrical surface is parallel to the plane in which the p-n junctions of the laser diodes are situated; a focusing lens; and a stabilizing circuit comprising a beam splitter that is situated between the focusing lens and the cylindrical lens, a second optical sensor that is optically coupled to the focusing lens via the beam splitter, and a stabilizer that is coupled to the focusing lens, wherein the stabilizer and the second optical sensor are electrically connected to the control unit. [Fig. 1]
公开日期	2013-04-12
申请日期	2012-02-28
状态	未确认
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/58759]
专题	半导体激光器专利数据库
作者单位	KIYKO VADIM VENIAMINOVICH
推荐引用方式 GB/T 7714	KIYKO VADIM VENIAMINOVICH. “device for recording and reading data on a multi-layer optical disc”. IN1870CHENP2012A. 2013-04-12.

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