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	Light beam generating device
	KITAJIMA HIROSHI; YOSHIDA TOMIAKI; NAKATSUKA NOBUO
	1987-10-05
著作权人	OMRON TATEISI ELECTRONICS CO
专利号	JP1987226111A
国家	日本
文献子类	发明申请
其他题名	Light beam generating device
英文摘要	PURPOSE:To prevent a light beam from deforming with temperature and to improve temperature control efficiency by holding a light source and a collimator lens which converts light emitted by the light into parallel light integrally by a holding member and providing a light source part which is brought under temperature control and a light beam shaping optical system. CONSTITUTION:A semiconductor laser 40 is brought under the temperature control of the Peltier element 43. Consequently, the laser operates stably. A temperature-controlled part which includes the light source part is surrounded with a heat insulator and contacts a support cylinder body 10 to small area by an optical axis adjusting screw 1 Therefore, the temperature control efficiency is improved. Further, the 1st and the 2nd blocks 31 and 32 are brought under temperature control are controlled to almost constant temperature regardless of variation in external temperature, so light projected from the collimator lens 41 becomes invariably parallel light regardless of the variation in external temperature. The light beam shaping optical system, on the other hand, is put in the lens holder 20 made of invar alloy which hardly deforms with temperature and its optical characteristics has almost no variation in optical characteristics regardless of the variation in external temperature.
公开日期	1987-10-05
申请日期	1986-03-28
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/70694]
专题	半导体激光器专利数据库
作者单位	OMRON TATEISI ELECTRONICS CO
推荐引用方式 GB/T 7714	KITAJIMA HIROSHI,YOSHIDA TOMIAKI,NAKATSUKA NOBUO. Light beam generating device. JP1987226111A. 1987-10-05.

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