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1. 发明授权

US09170191B2 Motorized variable path length cell for spectroscopy 有权
标题翻译：用于光谱学的电动可变路径长度单元
公开(公告)号：US09170191B2
公开(公告)日：2015-10-27
申请号：US13931348
申请日：2013-06-28
申请人： John Magie Coffin , Damian W. Ashmead , Todd C. Strother
发明人： John Magie Coffin , Damian W. Ashmead , Todd C. Strother
IPC分类号： H01L37/00 , G01N21/25 , G01N21/03
CPC分类号： G01N21/0303 , G01J3/0202 , G01N21/255 , G01N21/35 , G01N2021/3595 , G01N2201/066
摘要： The present invention is thus directed to an automated system and method of varying the optical path length in a sample that a light from a spectrophotometer must travel through. Such arrangements allow a user to easily vary the optical path length while also providing the user with an easy way to clean and prepare a transmission cell for optical interrogation. Such path length control can be automatically controlled by a programmable control system to quickly collect and stores data from different path lengths as needed for different spectrographic analysis. Such a methodology and system, as presented herein, is able to return best-match spectra with far fewer computational steps and greater speed than if all possible combinations of reference spectra are considered.
摘要翻译：因此，本发明涉及一种自动化系统和方法，其改变来自分光光度计的光必须穿过的样品中的光程长度。这样的布置允许用户容易地改变光路长度，同时还为用户提供了清洁和准备用于光询问的传输单元的简单方法。这种路径长度控制可以由可编程控制系统自动控制，以便根据不同光谱分析的需要快速收集和存储来自不同路径长度的数据。如本文所述，这种方法和系统能够以比考虑参考光谱的所有可能组合的方式更少的计算步骤和更高的速度返回最佳匹配光谱。

2. 发明授权

US07623225B2 Photometer with modular light emitter 有权
标题翻译：带模块化发光器的光度计
公开(公告)号：US07623225B2
公开(公告)日：2009-11-24
申请号：US12256786
申请日：2008-10-23
申请人： Charles W. Robertson, Jr. , Joel B. Hansen , Dale Heintzelman , Thomas A. Tokash , Paul S. Zdinak , Damian W. Ashmead , Jonathan Pundt
发明人： Charles W. Robertson, Jr. , Joel B. Hansen , Dale Heintzelman , Thomas A. Tokash , Paul S. Zdinak , Damian W. Ashmead , Jonathan Pundt
IPC分类号： G01J1/04
CPC分类号： G01J3/02 , G01J3/0202 , G01J3/0218 , G01J3/0224 , G01J3/0235 , G01J3/027 , G01J3/0291 , G01J3/10 , G01J3/32 , G01N21/6445 , G01N21/645 , G01N2021/035 , G01N2021/6471 , G01N2201/0245
摘要： A photometer is provided with modular lighting units wherein each lighting unit includes one or more light emitters. A user may select a desired lighting unit and install it within a photometer base unit, and thereafter activate one or more of the emitters (which may emit light of different wavelengths) to illuminate a specimen. The light provided by the specimen in response can then be captured at a detector, and analyzed to provide an indication of the specimen's characteristics. Different lighting units may optionally include one or more input light adapters (filters or polarizers which modify the light provided by the emitter(s) to the specimen), and/or one or more output light adapters (filters or polarizers which modify the light provided by the specimen to the detector). Users may therefore select lighting units with emitters and light adapters which are particularly suited for detection/analysis of particular specimens and/or components therein.
摘要翻译：光度计设置有模块化照明单元，其中每个照明单元包括一个或多个发光器。用户可以选择所需的照明单元并将其安装在光度计基座单元内，然后激活一个或多个发射器（其可以发射不同波长的光）以照射样本。然后可以在检测器处捕获由样品提供的光，并分析以提供样品特征的指示。不同的照明单元可以可选地包括一个或多个输入光适配器（将由发射器提供的光修改为样本的滤光器或偏振器）和/或一个或多个输出光适配器（改变所提供的光的滤光器或偏振器通过样品到检测器）。因此，用户可以选择具有发射器和光适配器的照明单元，其特别适于检测/分析其中的特定样品和/或部件。

3. 发明申请

US20090103077A1 PHOTOMETER WITH MODULAR LIGHT EMITTER 有权
标题翻译：具有模块式发光体的光电探测器
公开(公告)号：US20090103077A1
公开(公告)日：2009-04-23
申请号：US12256786
申请日：2008-10-23
申请人： Charles W. Robertson, JR. , Joel B. Hansen , Dale Heintzelman , Thomas A. Tokash , Paul S. Zdinak , Damian W. Ashmead , Jonathan Pundt
发明人： Charles W. Robertson, JR. , Joel B. Hansen , Dale Heintzelman , Thomas A. Tokash , Paul S. Zdinak , Damian W. Ashmead , Jonathan Pundt
IPC分类号： G01J1/04
CPC分类号： G01J3/02 , G01J3/0202 , G01J3/0218 , G01J3/0224 , G01J3/0235 , G01J3/027 , G01J3/0291 , G01J3/10 , G01J3/32 , G01N21/6445 , G01N21/645 , G01N2021/035 , G01N2021/6471 , G01N2201/0245
摘要： A photometer is provided with modular lighting units wherein each lighting unit includes one or more light emitters. A user may select a desired lighting unit and install it within a photometer base unit, and thereafter activate one or more of the emitters (which may emit light of different wavelengths) to illuminate a specimen. The light provided by the specimen in response can then be captured at a detector, and analyzed to provide an indication of the specimen's characteristics. Different lighting units may optionally include one or more input light adapters (filters or polarizers which modify the light provided by the emitter(s) to the specimen), and/or one or more output light adapters (filters or polarizers which modify the light provided by the specimen to the detector). Users may therefore select lighting units with emitters and light adapters which are particularly suited for detection/analysis of particular specimens and/or components therein.
摘要翻译：光度计设置有模块化照明单元，其中每个照明单元包括一个或多个发光器。用户可以选择所需的照明单元并将其安装在光度计基座单元内，然后激活一个或多个发射器（其可以发射不同波长的光）以照射样本。然后可以在检测器处捕获由样品提供的光，并分析以提供样品特征的指示。不同的照明单元可以可选地包括一个或多个输入光适配器（将由发射器提供的光改变为样本的滤光器或偏振器）和/或一个或多个输出光适配器（改变所提供的光的滤光器或偏振器通过样品到检测器）。因此，用户可以选择具有发射器和光适配器的照明单元，其特别适于检测/分析其中的特定样品和/或部件。

4. 发明授权

US08730466B2 Optical spectrometer with underfilled fiber optic sample interface 有权
标题翻译：具有光纤光纤样品接口的光谱仪
公开(公告)号：US08730466B2
公开(公告)日：2014-05-20
申请号：US13183346
申请日：2011-07-14
申请人： Damian W. Ashmead , Francis J. Deck
发明人： Damian W. Ashmead , Francis J. Deck
IPC分类号： G01N21/01 , G01J3/28
CPC分类号： G01J3/024 , G01J3/0218 , G01J3/10 , G01J3/42 , G01N21/3151 , G01N2021/035 , G01N2021/3181
摘要： An optical device is provided that includes a converging lens device, a transmitting optical fiber, a sample holder, and a receiving optical fiber. The converging lens device focuses light onto the transmitting optical fiber, which receives the focused light through an entrance face and transmits the light from an exit face, through a sample, and onto the receiving optical fiber. The sample holder holds the sample for analysis. The receiving optical fiber receives the light through an entrance face of the receiving optical fiber after transmission through the sample. The converging lens device is positioned to focus the light onto the entrance face of the transmitting optical fiber such that a half-angle of the angular distribution of the focused light that reaches the entrance face of the transmitting optical fiber is selected to underfill an entrance aperture of the entrance face of the receiving optical fiber in both a spatial dimension and an angular dimension.
摘要翻译：提供一种光学装置，其包括会聚透镜装置，发射光纤，样本保持器和接收光纤。会聚透镜装置将光聚焦到发射光纤上，发射光纤通过入射面接收聚焦光，并将光从出射面透过样品，并传输到接收光纤上。样品架持有样品进行分析。接收光纤在通过样品传输后通过接收光纤的入射面接收光。会聚透镜装置被定位成将光聚焦到发射光纤的入射面上，使得到达发射光纤的入射面的聚焦光的角度分布的半角被选择为向下填充入射孔在空间尺寸和角度尺寸上的接收光纤的入射面。

5. 发明授权

US08223338B2 Optical path length sensor and method for optimal absorbance measurements 有权
标题翻译：光程长度传感器和最佳吸光度测量方法
公开(公告)号：US08223338B2
公开(公告)日：2012-07-17
申请号：US12572892
申请日：2009-10-02
申请人： Charles W. Robertson, Jr. , Damian W. Ashmead , Thomas A. Tokash
发明人： Charles W. Robertson, Jr. , Damian W. Ashmead , Thomas A. Tokash
IPC分类号： G01N21/00 , G01N1/10
CPC分类号： G01N21/0303 , G01N21/31 , G01N2021/035 , G01N2021/036
摘要： An apparatus is described in which an optical fiber is mounted within a fiber optic holder which includes the non-rotating shaft of a linear actuator. The fiber holder may be held captive in order to restrain the fiber holder and, consequently, the fiber mounted therein, from rotating during operation of the linear actuator, thereby resulting in linear travel with minimal rotational effects and minimal change in optical alignment of the fiber during travel. In addition, an optical path length sensor in conjunction with an optimized absorbance method of operation is utilized herein to provide micron precision of the displacement between respective receiving and transmission fibers so as to enable precise absorbance measurements from about 0.005 up to about 2.0 Absorbance Units for any given path length.
摘要翻译：描述了一种装置，其中光纤安装在包括线性致动器的非旋转轴的光纤保持器内。光纤保持器可以被保持，以便在线性致动器的操作期间限制光纤保持器以及因此安装在其中的光纤旋转，从而导致线性行进，具有最小的旋转效果和光纤的光学对准的最小变化旅行期间此外，光路长度传感器结合优化的吸光度操作方法在本文中用于提供相应的接收和传输光纤之间的位移的微米精度，以便能够实现从约0.005至约2.0吸光度单位的精确吸光度测量，用于任何给定的路径长度。

6. 发明申请

US20100085571A1 Optical Path Length Sensor and Method for Optimal Absorbance Measurements 有权
标题翻译：光路长度传感器和最佳吸光度测量方法
公开(公告)号：US20100085571A1
公开(公告)日：2010-04-08
申请号：US12572892
申请日：2009-10-02
申请人： Charles W. Robertson, JR. , Damian W. Ashmead , Thomas A. Tokash
发明人： Charles W. Robertson, JR. , Damian W. Ashmead , Thomas A. Tokash
IPC分类号： G01N21/17 , G01N21/01
CPC分类号： G01N21/0303 , G01N21/31 , G01N2021/035 , G01N2021/036
摘要： An apparatus is described in which an optical fiber is mounted within a fiber optic holder which includes the non-rotating shaft of a linear actuator. The fiber holder may be held captive in order to restrain the fiber holder and, consequently, the fiber mounted therein, from rotating during operation of the linear actuator, thereby resulting in linear travel with minimal rotational effects and minimal change in optical alignment of the fiber during travel. In addition, an optical path length sensor in conjunction with an optimized absorbance method of operation is utilized herein to provide micron precision of the displacement between respective receiving and transmission fibers so as to enable precise absorbance measurements from about 0.005 up to about 2.0 Absorbance Units for any given path length.
摘要翻译：描述了一种装置，其中光纤安装在包括线性致动器的非旋转轴的光纤保持器内。光纤保持器可以被保持，以便在线性致动器的操作期间限制光纤保持器以及因此安装在其中的光纤旋转，从而导致线性行进，具有最小的旋转效果和光纤的光学对准的最小变化旅行期间此外，光路长度传感器结合优化的吸光度操作方法在本文中用于提供相应的接收和传输光纤之间的位移的微米精度，以便能够实现从约0.005至约2.0吸光度单位的精确吸光度测量，用于任何给定的路径长度。

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