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	Fiber optic imaging endoscope interferometer with at least one faraday rotator
	TEARNEY, GUILLERMO; BOPPART, STEPHEN A.; BOUMA, BRETT E.; BREZINSKI, MARK; SWANSON, ERIC A.; FUJIMOTO, JAMES G.
	2002-12-31
著作权人	MASSACHUSETTS INSTITUTE OF TECHNOLOGY
专利号	US6501551
国家	美国
文献子类	授权发明
其他题名	Fiber optic imaging endoscope interferometer with at least one faraday rotator
英文摘要	An imaging system for performing optical coherence tomography includes an optical radiation source; a reference optical reflector; a first optical path leading to the reference optical reflector; and a second optical path coupled to an endoscopic unit. The endoscopic unit preferably includes an elongated housing defining a bore; a rotatable single mode optical fiber having a proximal end and a distal end positioned within and extending the length of the bore of the elongated housing; and an optical system coupled to the distal end of the rotatable single mode optical fiber, positioned to transmit the optical radiation from the single mode optical fiber to the structure and to transmit reflected optical radiation from the structure to the single mode optical fiber. The system further includes a beam divider dividing the optical radiation from the optical radiation source along the first optical path to the reflector and along the second optical path; and a detector positioned to receive reflected optical radiation from the reflector transmitted along the first optical path and reflected optical radiation transmitted from the structure along the second optical path. The detector generates a signal in response to the reflected optical radiation from the reference reflector and the reflected optical radiation from the structure, and a processor generating a image of the structure in response to the signal from the detector. The system provides both rotational and longitudinal scanning of an image.
公开日期	2002-12-31
申请日期	1999-10-05
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/35317]
专题	半导体激光器专利数据库
作者单位	MASSACHUSETTS INSTITUTE OF TECHNOLOGY
推荐引用方式 GB/T 7714	TEARNEY, GUILLERMO,BOPPART, STEPHEN A.,BOUMA, BRETT E.,et al. Fiber optic imaging endoscope interferometer with at least one faraday rotator. US6501551. 2002-12-31.

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