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	Optical system and method for locking a wavelength of a tunable laser
	KOCH, BRIAN R.; ROTH, JONATHAN EDGAR
	2019-09-10
著作权人	AURRION, INC.
专利号	US10411430
国家	美国
文献子类	授权发明
其他题名	Optical system and method for locking a wavelength of a tunable laser
英文摘要	An optical system can lock a wavelength of a tunable laser to a specified wavelength of a temperature-insensitive spectral profile of a spectral filter. In some examples, the spectral filter, such as a Fabry-Perot filter, can have a temperature-insensitive peak wavelength and increasing attenuation at wavelengths away from the peak wavelength. The spectral filter can spectrally filter the laser light to form filtered laser light. A detector can detect at least a fraction of the filtered laser light. Circuitry coupled to the detector and the laser can tune the tunable laser to set a signal from the detector to a specified value corresponding to a specified wavelength in the spectral profile, and thereby adjust the selectable wavelength of the tunable laser to match the specified wavelength. In some examples, the optical system can include a polarization rotator, and can use polarization to separate incident light from return light.
公开日期	2019-09-10
申请日期	2016-04-19
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/35663]
专题	半导体激光器专利数据库
作者单位	AURRION, INC.
推荐引用方式 GB/T 7714	KOCH, BRIAN R.,ROTH, JONATHAN EDGAR. Optical system and method for locking a wavelength of a tunable laser. US10411430. 2019-09-10.

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