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	Single molecule spectroscopy using photothermal tuning of optical microcavities
	GOLDSMITH, RANDALL HOWARD; HEYLMAN, KEVIN DANIEL
	2017-01-03
著作权人	WISCONSIN ALUMNI RESEARCH FOUNDATION
专利号	US9535219
国家	美国
文献子类	授权发明
其他题名	Single molecule spectroscopy using photothermal tuning of optical microcavities
英文摘要	A method comprises exposing the surface of an optical microcavity characterized by at least one resonance frequency to a sample such that a single particle or molecule from the sample adsorbs onto the surface of the microcavity; evanescently coupling a probe laser beam into the microcavity, the wavelength of the probe laser beam substantially matching the at least one resonance frequency; illuminating the surface of the microcavity with a free space pump light beam and moving the focal spot of the free space pump light beam such that the focal spot substantially overlaps with the single particle/molecule; and detecting light from the probe laser beam. The wavelength of the free space pump light beam generates sufficient heat via energy absorbed by the single particle/molecule to induce a shift in the at least one resonance frequency, thereby providing a change in an optical characteristic of the detected light.
公开日期	2017-01-03
申请日期	2015-02-13
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/37800]
专题	半导体激光器专利数据库
作者单位	WISCONSIN ALUMNI RESEARCH FOUNDATION
推荐引用方式 GB/T 7714	GOLDSMITH, RANDALL HOWARD,HEYLMAN, KEVIN DANIEL. Single molecule spectroscopy using photothermal tuning of optical microcavities. US9535219. 2017-01-03.

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