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	Coherent light source and recording/reproducing device using same
	YAMAMOTO, KAZUHISA; KASAZUMI, KEN'ICHI; SUGITA, TOMOYA; MIZUSHIMA, TETSURO; KADOWAKI, SHIN-ICHI
	2006-09-08
著作权人	MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
专利号	WO2006092965A1
国家	世界知识产权组织
文献子类	发明申请
其他题名	Coherent light source and recording/reproducing device using same
英文摘要	A coherent light source (21) for hologram recording/reproduction emits a light having an oscillation wavelength half width &Dgr ≶r satisfying the relationship &Dgr ≶r <≶r 2/(S×2sinѲ) where S is the substantial size of the hologram, Ѳ is the substantial angle of intersection of the reference light and the signal light, and ≶r is the oscillation wavelength. Even if stray light is produced, unwanted interference fringes due to the stray light is prevented, and thus the coherent light source (21) enables stable recording and reproduction of a hologram.
公开日期	2006-09-08
申请日期	2006-02-17
状态	未确认
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/61303]
专题	半导体激光器专利数据库
作者单位	MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
推荐引用方式 GB/T 7714	YAMAMOTO, KAZUHISA,KASAZUMI, KEN'ICHI,SUGITA, TOMOYA,et al. Coherent light source and recording/reproducing device using same. WO2006092965A1. 2006-09-08.

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