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	Laser light source apparatus
	HORIKAWA, YOSHIHIRO; KOZAKURA, TAKAYUKI; OZAWA, TETSUYA; NISHIKUBO, TORU; SAMEJIMA, TAKANORI; YOSHIDA, KAZUHIRO
	2015-10-20
著作权人	USHIO DENKI KABUSHIKI KAISHA
专利号	US9166360
国家	美国
文献子类	授权发明
其他题名	Laser light source apparatus
英文摘要	The fundamental wave light emitted from a semiconductor laser is converted in wavelength by a wavelength conversion element and emitted therefrom. A lighting circuit lights the semiconductor laser, and a temperature control unit 21b controls the amount of electric power supply to a heater so that the temperature of the wavelength conversion element turns into temperature at which the wavelength conversion efficiency thereof becomes optimal. When a state where the amount of electric power supply of the heater is lower limit or below continues for a predetermined period or longer, the hang-up suppressing unit 21c, or when duration time in a state where the temperature of the wavelength conversion element is higher than the control target temperature becomes higher than a constant value, laser lighting current is decreased by a preset amount, thereby recovery from a high temperature hang-up state performed.
公开日期	2015-10-20
申请日期	2014-03-19
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/35643]
专题	半导体激光器专利数据库
作者单位	USHIO DENKI KABUSHIKI KAISHA
推荐引用方式 GB/T 7714	HORIKAWA, YOSHIHIRO,KOZAKURA, TAKAYUKI,OZAWA, TETSUYA,et al. Laser light source apparatus. US9166360. 2015-10-20.

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