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	Self-mixing sensitivity dependence of dual-polarization microchip Nd : YAG lasers on the frequency difference of orthogonal polarizations
	Wan, XJ ; Zhang, SL
	2010-05-10 ; 2010-05-10
会议名称	Advanced Sensor Systems and Applications II Pt 1and 2 ; Conference on Advanced Sensor Systems and Applications II ; Beijing, PEOPLES R CHINA ; Web of Science ; INSPEC
关键词	self-mixing sensitivity dual-polarization microchip lasers frequency difference SOLID-STATE LASER LINDP4O12 LASERS FEEDBACK DIODE LIGHTS Instruments & Instrumentation Remote Sensing Optics
中文摘要	In this paper, we demonstrate the evolution of the self-mixing phenomena of dual-polarization microchip Nd:YAG lasers as we change the feedback strength and the frequency difference. At high feedback level the microchip laser's polarization flips orthogonally as the external mirror moves. Especially, we observed that the intensity modulation amplitude varies periodically with the frequency difference of orthogonal polarizations, and that with different types of targets the periodic change always exists. A qualitative model is put forward and is in good agreement with the experimental results. The results can be applied to the self-mixing sensitivity enhancement, and also presents a novel method of absolute distance measurement.
会议录出版者	SPIE-INT SOC OPTICAL ENGINEERING ; BELLINGHAM ; 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/19343]
专题	清华大学
推荐引用方式 GB/T 7714	Wan, XJ,Zhang, SL. Self-mixing sensitivity dependence of dual-polarization microchip Nd : YAG lasers on the frequency difference of orthogonal polarizations[C]. 见:Advanced Sensor Systems and Applications II Pt 1and 2, Conference on Advanced Sensor Systems and Applications II, Beijing, PEOPLES R CHINA, Web of Science, INSPEC.

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