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	Active monitoring of multi-laser systems
	KARLSEN, SCOTT R.; SMALL, JAY; STANEK, MITCH; ERRICO, VITO P.; KIEST, CARY S.
	2016-07-21
著作权人	NLIGHT, INC.
专利号	US20160209267A1
国家	美国
文献子类	发明申请
其他题名	Active monitoring of multi-laser systems
英文摘要	A monitoring system for a multi-laser module includes detectors corresponding to each laser and situated to receive a portion of the associated laser beam uncombined with other beams. Laser characteristics are measured and stored, and in operation are used to identify device failures. A comparator receives a reference value and compares the reference value with a current operational value. If the current value is less that the reference value, a possible failure is indicated. Signal cross-coupling among the detectors is also used to identify undesirable scattering that can be associated with surface contamination or device failure.
公开日期	2016-07-21
申请日期	2016-03-24
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/51739]
专题	半导体激光器专利数据库
作者单位	NLIGHT, INC.
推荐引用方式 GB/T 7714	KARLSEN, SCOTT R.,SMALL, JAY,STANEK, MITCH,et al. Active monitoring of multi-laser systems. US20160209267A1. 2016-07-21.

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