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1.发明申请公开(公告)号：US20170299517A1
公开(公告)日：2017-10-19
申请号：US15485839
申请日：2017-04-12
CPC分类号： G01N21/645 , G01N21/255 , G01N33/2823 , G01N2201/061 , G02B5/10 , G02B7/004 , G02B7/1821 , G02B7/1825
摘要： An opto-mechanical apparatus including a hollow housing member having a first end and a second end, the housing member having a longitudinal axis, a parabolic mirror positioned on a side of to the first end of the housing member, and a mirror adjustment mechanism attached to the second end of the housing member, the mirror adjustment mechanism connected to the parabolic mirror through the housing member, the mirror adjustment mechanism configured to adjust an axial position of the parabolic mirror along the longitudinal axis and to adjust a radial position of the parabolic mirror about the longitudinal axis.
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公开(公告)号：US20170299516A1
公开(公告)日：2017-10-19
申请号：US15485803
申请日：2017-04-12
CPC分类号： G01N21/645 , G01N21/85 , G01N33/28 , G01N2021/6463 , G01N2201/0621 , G01N2201/0696
摘要： Methods and systems for determining contamination in a petroleum-based sample, including irradiating the petroleum-based sample with a light beam from a light source such that a fluorescence signal is generated, guiding, by a mirror, the fluorescence signal to a gear-less rotating diffraction grating, the gear-less rotating diffraction grating spatially separating a fluorescence wavelength from the florescence signal, detecting, by an optical detector, fluorescence wavelength, transforming the fluorescence wavelength into a spectral contour diagram, the spectral contour diagram comprising a fluorescence wavelength variation over time, and determining, the contamination in the petroleum-based sample using the spectral contour diagram.
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