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	Broad-area MOPA device with leaky waveguide beam expander
	MEHUYS, DAVID G.; O'BRIEN, STEPHEN; WELCH, DAVID F.
	1994-09-20
著作权人	SDL, INC.
专利号	US5349602
国家	美国
文献子类	授权发明
其他题名	Broad-area MOPA device with leaky waveguide beam expander
英文摘要	A coherent light source, such as a laser oscillator and a monolithic MOPA device, and a broad area light amplifying device, all characterized by having a leaky waveguide beam expander coupled thereto for expanding a single mode beam into a wide light beam in a coherent manner. The beam expander comprises an elongated antiguide core of a first refractive index and a radiated-wave receiving region of a higher refractive index to receive lightwaves laterally radiated from the antiguide core. This beam expander can be located at an output end of a single mode laser oscillator to receive and expand the beam, at an input end of a broad area optical power amplifier to allow the amplifier to accept a narrow input beam, or between the laser oscillator and power amplifier in a MOPA device. The beam expander elements can also be located partially or entirely within the resonant optical cavity of a laser oscillator.
公开日期	1994-09-20
申请日期	1993-03-15
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/42096]
专题	半导体激光器专利数据库
作者单位	SDL, INC.
推荐引用方式 GB/T 7714	MEHUYS, DAVID G.,O'BRIEN, STEPHEN,WELCH, DAVID F.. Broad-area MOPA device with leaky waveguide beam expander. US5349602. 1994-09-20.

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