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    • 7. 发明申请
    • OPTICAL CAVITY SYSTEM HAVING AN ORTHOGONAL INPUT
    • 具有正交输入的光学系统
    • US20090014670A1
    • 2009-01-15
    • US11770648
    • 2007-06-28
    • Barrett E. ColeJames A. CoxJ. David Zook
    • Barrett E. ColeJames A. CoxJ. David Zook
    • G01N21/84G02B26/00G02B27/42
    • G01J3/42G01N21/03G01N21/0303G01N21/031G01N21/3504G01N21/39G01N2021/0378G01N2021/399
    • An optical system having a closed loop light path with a source for providing light in a direction parallel to the normal of an input to the light path. The light may be provided via a diffracting mechanism to the input. The system may be a cavity ring-down sensor or some other optical device. The light path may be formed in a laser gyroscope type cavity. A light source may have a beam aligned to a spot, indicator or mark near the input of the cavity. The location of the spot, indicator or mark may be determined in accordance with parameters of the diffracting mechanism and/or cavity. A fixture for holding the light source may be secured so that placement of the source in the fixture will automatically result in an aligned light source. Then the diffracting mechanism may be inserted to further complete fabrication of the optical system.
    • 一种具有闭环光路的光学系统,具有用于在与光路的输入的法线平行的方向上提供光的源。 光可以经由衍射机构提供给输入。 该系统可以是空腔下降传感器或一些其它光学装置。 光路可以形成在激光陀螺仪型腔中。 光源可以具有与空腔输入附近的光点,指示符或标记对准的光束。 点,指示符或标记的位置可以根据衍射机构和/或空腔的参数来确定。 用于保持光源的夹具可以被固定,使得源在夹具中的放置将自动导致对准的光源。 然后可以插入衍射机构以进一步完成光学系统的制造。
    • 10. 发明授权
    • SERS analyzer
    • SERS分析仪
    • US07502106B2
    • 2009-03-10
    • US11533984
    • 2006-09-21
    • Yuandong GuJames A. CoxBarrett E. Cole
    • Yuandong GuJames A. CoxBarrett E. Cole
    • G01J3/44G01N21/65
    • G01N21/658
    • A surface enhanced Raman scatter (SERS) analyte analyzer. The analyzer has floating surfaces for enhancement of the Raman scattered light from sample molecules. An injector may provide a spray of charged nanoparticles suspended in droplets of an evaporable solution into a chamber. When the solution quickly evaporates, droplets of nanoparticles are left without a supporting solution. These droplets or cloud of charged nanoparticles may then explode into a dispersion or aerosol. The charged nanoparticles may attract molecules of a sample for attachment to their surfaces. A laser light may impinge the attached molecules which may result in surface enhanced Raman scattered light received by a detector or a light spectrometer. Wavelength signatures may then be obtained from the spectrometer. The signatures may provide information about the molecules.
    • 表面增强拉曼散射(SERS)分析仪。 分析仪具有用于增强样品分子的拉曼散射光的浮动表面。 注射器可以将悬浮在可蒸发溶液的液滴中的带电荷的纳米颗粒的喷雾提供到室中。 当溶液快速蒸发时,留下纳米颗粒液滴而没有支撑溶液。 这些液滴或带电的纳米颗粒云可能会爆炸成分散体或气溶胶。 带电的纳米颗粒可以吸引样品的分子以附着到它们的表面。 激光可以撞击附着的分子,这可能导致由检测器或光谱仪接收的表面增强的拉曼散射光。 然后可以从光谱仪获得波长特征。 签名可以提供关于分子的信息。