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	Fiber optic resonant ring sensor and source
	PORTER, BRUCE
	1995-02-28
著作权人	CHARLES STARK DRAPER LABORATORY, INC., THE, A CORP. OF MA
专利号	US5394242
国家	美国
文献子类	授权发明
其他题名	Fiber optic resonant ring sensor and source
英文摘要	Light from a laser diode is coupled into a fiber ring to narrow the line width. In one embodiment, Rayleigh backscattered light from the fiber is returned to the laser diode, and has the effect of greatly narrowing the diode output. In another embodiment the fiber ring is a double core ring, or a ring of plural spatially contiguous fibers. The laser diode is coupled into one core to narrow its line width, while the line-narrowed output is applied to another core which serves as a sensing device such as a gyro. Minimal or no compensation is needed to track the laser frequency to the ring resonance. In one embodiment, the first core is doped to produce a gain medium which lases at a center frequency that tracks the resonance of the sensing core as it drifts due to environmental effects.
公开日期	1995-02-28
申请日期	1989-12-15
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/34900]
专题	半导体激光器专利数据库
作者单位	CHARLES STARK DRAPER LABORATORY, INC., THE, A CORP. OF MA
推荐引用方式 GB/T 7714	PORTER, BRUCE. Fiber optic resonant ring sensor and source. US5394242. 1995-02-28.

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