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    • 1. 发明申请
    • DIFFERENTIAL EXCITATION SPECTROSCOPY
    • 差异激发光谱
    • US20150069258A1
    • 2015-03-12
    • US14473796
    • 2014-08-29
    • Eugene W. ButlerTimothy M. StratmanBoyd V. HunterPaul HarrisonJason M. Cox
    • Eugene W. ButlerTimothy M. StratmanBoyd V. HunterPaul HarrisonJason M. Cox
    • G01N21/62G01N22/00G01N21/27
    • G01N21/35G01N21/031G01N21/27G01N21/3581G01N21/636G01N22/00G01N2021/3125
    • A new technique which uses a pump-probe methodology to place a molecule into one or more excited rotational and/or vibrational states. By evaluating spectral changes due to at least one discrete frequency of pump photons a multi-dimensional characterization of the molecule's excited state energy level results. This multi-dimensional characterization typically involves evaluating the changes between excited and unexcited state measurements. The differential nature of the evaluation makes the technique self-referencing and solves problems common to many spectroscopic techniques. The multi-dimensionality of the technique provides high specificity and immunity to interferents. The preferred embodiments involve excitation by using photons suited to pumping the rotational states and evaluating the effects by probing the energy levels of one of more vibrational states. The technique is capable of detecting bulk and trace concentrations of a molecule in gas, liquid and solid phases, both in pure form and in the presence of other molecules.
    • 一种使用泵浦探针方法将分子置于一个或多个激发的旋转和/或振动状态的新技术。 通过评估由于至少一个离散频率的泵浦光子的光谱变化,可以得到分子激发态能级的多维表征。 这种多维表征通常包括评估激发态和不精确状态测量之间的变化。 评估的差异性使得技术自我参照并且解决了许多光谱技术常见的问题。 该技术的多维度为干扰物提供了高度的特异性和免疫性。 优选实施例涉及通过使用适于泵送旋转状态的光子并通过探测更多振动状态之一的能量水平来评估效果来激发。 该技术能够检测气体,液体和固相中分子的体积和痕量浓度,无论是纯形式还是在其它分子存在下。
    • 2. 发明授权
    • Differential excitation spectroscopy
    • 差分激发光谱
    • US09395311B2
    • 2016-07-19
    • US14473796
    • 2014-08-29
    • Eugene W. ButlerTimothy M. StratmanBoyd V. HunterPaul HarrisonJason M. Cox
    • Eugene W. ButlerTimothy M. StratmanBoyd V. HunterPaul HarrisonJason M. Cox
    • G01N21/27G01N22/00G01N21/35G01N21/31
    • G01N21/35G01N21/031G01N21/27G01N21/3581G01N21/636G01N22/00G01N2021/3125
    • A new technique which uses a pump-probe methodology to place a molecule into one or more excited rotational and/or vibrational states. By evaluating spectral changes due to at least one discrete frequency of pump photons a multi-dimensional characterization of the molecule's excited state energy level results. This multi-dimensional characterization typically involves evaluating the changes between excited and unexcited state measurements. The differential nature of the evaluation makes the technique self-referencing and solves problems common to many spectroscopic techniques. The multi-dimensionality of the technique provides high specificity and immunity to interferents. The preferred embodiments involve excitation by using photons suited to pumping the rotational states and evaluating the effects by probing the energy levels of one of more vibrational states. The technique is capable of detecting bulk and trace concentrations of a molecule in gas, liquid and solid phases, both in pure form and in the presence of other molecules.
    • 一种使用泵浦探针方法将分子置于一个或多个激发的旋转和/或振动状态的新技术。 通过评估由于至少一个离散频率的泵浦光子的光谱变化,可以得到分子激发态能级的多维表征。 这种多维表征通常包括评估激发态和不精确状态测量之间的变化。 评估的差异性使得技术自我参照并且解决了许多光谱技术常见的问题。 该技术的多维度为干扰物提供了高度的特异性和免疫性。 优选实施例涉及通过使用适于泵送旋转状态的光子并通过探测更多振动状态之一的能量水平来评估效果来激发。 该技术能够检测气体,液体和固相中分子的体积和痕量浓度,无论是纯形式还是在其它分子存在下。
    • 3. 发明授权
    • Wavefront characterization and correction
    • 波前表征和校正
    • US08009280B1
    • 2011-08-30
    • US12167945
    • 2008-07-03
    • Gavin R. G. ErryPaul HarrisonBoyd HunterEugene W. Butler
    • Gavin R. G. ErryPaul HarrisonBoyd HunterEugene W. Butler
    • G01J1/00
    • G01J9/00
    • A system, for determining characteristics of a beam wavefront and reshaping such wavefront, including: apparatus for sampling the wavefront curvature and generating outputs; apparatus for reshaping the wavefront; and apparatus for receiving the outputs, proportioning the outputs to match the inputs need to drive controls for the reshaping apparatus, and sending the proportioned outputs to the reshaping apparatus. The reshaping apparatus is, preferably, a deformable mirror. The sampling apparatus includes a distorted grating. The method includes: positioning the sampling apparatus in the bean path; positioning a reshaping apparatus in the beam path; sampling the curvature of the wavefront and generating outputs representative of the curvature thereof; sending the generated outputs to the proportioning apparatus; proportioning the outputs to match the inputs needed to drive the controls of the reshaping apparatus; and sending the proportioned outputs to the reshaping apparatus to change the shape thereof.
    • 一种用于确定光束波前的特征并重构这种波前的系统,包括:用于采样波前曲率并产生输出的装置; 用于重塑波前的装置; 以及用于接收输出的装置,使输出比例与输入匹配,需要驱动整形装置的控制,并将成比例的输出发送到整形装置。 整形装置优选为可变形反射镜。 采样装置包括失真光栅。 该方法包括:将采样设备定位在豆路径中; 将整形装置定位在光束路径中; 对波前的曲率进行采样并产生表示其曲率的输出; 将所生成的输出发送到配比装置; 比较输出以匹配驱动整形装置的控制所需的输入; 并将成比例的输出发送到整形装置以改变其形状。
    • 4. 发明授权
    • Diagnostic methods and apparatus for directed energy applications
    • 用于定向能量应用的诊断方法和装置
    • US07538872B1
    • 2009-05-26
    • US11498397
    • 2006-08-02
    • Eugene W. ButlerL. John Otten, IIIGavin R. G. Erry
    • Eugene W. ButlerL. John Otten, IIIGavin R. G. Erry
    • G01J1/00G01J3/28G01J3/45G01N21/00G01B9/02
    • G01J3/453G01B11/002G01J1/4257G01J3/02G01J3/0205G01J3/0208G01J3/027G01J3/2823G01J3/42
    • Determining relationships between one laser beam and an object onto which such beam is directed including: directing such beam onto the object; collecting radiation from the beam that is reflected back; spectrally discriminating the collected, reflected radiation from other collected radiation; generating an image of the collected beam radiation; and analyzing this image to determine the value of at least one parameter selected from: the diameter of the beam on the object; the position of the beam on the object; and beam quality on the object. The determined value(s) may be used to adjust parameter(s) of the beam. Additional steps include directing a second beam onto the object and collecting, spectrally discriminating, generating an image and analyzing it to determine the value of at least one parameter related to the second beam. The forgoing may also include utilizing the determined second value to adjust parameter(s) of the second beam.
    • 确定一个激光束和这样的光束被引导到的物体之间的关系包括:将这种光束引导到物体上; 收集反射回来的光束的辐射; 对来自其他收集辐射的收集的反射辐射进行光谱鉴别; 产生收集的束辐射的图像; 并分析该图像以确定选自以下的至少一个参数的值:物体上的光束的直径; 光束在物体上的位置; 和物体上的光束质量。 确定的值可以用于调整波束的参数。 附加步骤包括将第二光束引导到物体上并收集,光谱鉴别,生成图像并对其进行分析,以确定与第二光束相关的至少一个参数的值。 前述还可以包括利用确定的第二值来调整第二波束的参数。