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	Waveguide type wavelength converting element
	OTA YOSHINORI
	1992-11-26
著作权人	日本電気株式会社
专利号	JP1992338930A
国家	日本
文献子类	发明申请
其他题名	Waveguide type wavelength converting element
英文摘要	PURPOSE:To convert the output light of a semiconductor laser into a 2nd higher harmonic with high efficiency. CONSTITUTION:A linear main waveguide 2 and an input waveguide 3 which guides a fundamental wave, sent from the semiconductor laser 10, to the main waveguide 2 are formed on the surface of nonlinear optical crystal Means 4 and 5 which reflect the fundamental wave so that the main waveguide 2 serve as a resonator for the fundamental wave are provided at both ends of the waveguide, and means 6 and 7 which rotate the polarization of the fundamental wave are provided so that the polarization of reflected light on a forth way 8 and the polarization on a back way 9 cross perpendicularly each other. Consequently, the power density of the fundamental wave of the main waveguide 2 is increased to realize unidirectional resonance type second harmonic generation which generates radiation SHG light intensely when the polarization of the fundamental wave is parallel to a (z) axis.
公开日期	1992-11-26
申请日期	1991-02-07
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/85263]
专题	半导体激光器专利数据库
作者单位	日本電気株式会社
推荐引用方式 GB/T 7714	OTA YOSHINORI. Waveguide type wavelength converting element. JP1992338930A. 1992-11-26.

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