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	Tunable laser source apparatus having wideband oscillation wavelength continuous sweep function
	MATTORI, SHIGENORI; KINUGAWA, SHIGERU; SAITOH, TAKANORI
	1999-10-20
著作权人	ANRITSU CORPORATION
专利号	EP0951112A2
国家	欧洲专利局
文献子类	发明申请
其他题名	Tunable laser source apparatus having wideband oscillation wavelength continuous sweep function
英文摘要	A tunable laser source apparatus includes an external cavity. The external cavity includes a semiconductor laser (11) and a diffraction section (2). At least one laser output end facet (11b) of the semiconductor laser (11) is covered with an AR coating. The diffraction section (2) includes a first reflector (22) and a diffraction grating (21), and has wavelength selectivity with which light emerging from the end facet (11b) of the semiconductor laser (11) which is covered with the AR coating is received, and light having a predetermined wavelength is selected and reflected toward the semiconductor laser (11). The semiconductor laser (11) further includes an angle detection section (4) and a control section (5). The angle detection section (4) detects the angle defined by the optical path of the light emerging from the semiconductor laser (11) and the optical path of the diffracted light reflected by the diffraction section. The control section (5) controls at least the cavity length of the external cavity or the selected wavelength of the diffraction section (2) to set the angle detected by the angle detection section (4) to zero.
公开日期	1999-10-20
申请日期	1999-03-31
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/64493]
专题	半导体激光器专利数据库
作者单位	ANRITSU CORPORATION
推荐引用方式 GB/T 7714	MATTORI, SHIGENORI,KINUGAWA, SHIGERU,SAITOH, TAKANORI. Tunable laser source apparatus having wideband oscillation wavelength continuous sweep function. EP0951112A2. 1999-10-20.

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