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	Optical communications system
	-
	2012-12-12
著作权人	L3 TRL TECHNOLOGY
专利号	GB201219682D0
国家	英国
文献子类	发明申请
其他题名	Optical communications system
英文摘要	This application concerns acquiring and maintaining optical alignment between a transmitter and receiver in a free-space optical communication system. The transmitter includes a plurality of optical transmitters, such as a VCSEL array or an LED array, located in the focal plane of an optical element such as a lens. Each emitter illuminates a different area vicinity of the receiver. Optical alignment between the transmitter and the receiver can be achieved by selecting the appropriate emitter to use. As either the transmitter or receiver moves, alignment can be maintained simply by switching to another emitter. This beam selection system has significant advantages over prior art mechanical alignment systems. Optionally, more than one emitter may be selected at a time. In one embodiment multiple emitters are selected to provide communication to multiple receivers. Bidirectional communication is envisioned.
公开日期	2012-12-12
申请日期	2012-11-13
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/75042]
专题	半导体激光器专利数据库
作者单位	L3 TRL TECHNOLOGY
推荐引用方式 GB/T 7714	-. Optical communications system. GB201219682D0. 2012-12-12.

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