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1. 发明授权

US5986756A Spectroscopic probe with leak detection 失效
标题翻译：具有泄漏检测的光谱探头
公开(公告)号：US5986756A
公开(公告)日：1999-11-16
申请号：US32078
申请日：1998-02-27
申请人： Joseph B. Slater , Michael J. Pelletier
发明人： Joseph B. Slater , Michael J. Pelletier
IPC分类号： G01N21/31 , G01N21/64 , G01N21/65
CPC分类号： G01N21/31
摘要： An optical probe assembly, which may be used with or without optical fibers for remote operation, incorporates a leak-detecting capability. A source such as a laser is used for optically exciting at least a portion of a sample substance, causing wavelengths characteristic of the sample to be emitted along a collection path for reception by spectral analysis means. The same laser or a different source is employed for optically exciting a point within a test region, causing wavelengths characteristic of any substances contained or entering into the test region to merge with those of the sample within the collection path.
摘要翻译：可以使用或不使用光纤进行远程操作的光学探针组件包含泄漏检测能力。诸如激光的源用于光学激发样品物质的至少一部分，使得样品的特征波长沿着收集路径发射，以便通过光谱分析装置进行接收。使用相同的激光器或不同的光源来激发测试区域内的点，使得包含或进入测试区域的任何物质的特征波长与收集路径内的样品的波长合并。

2. 发明授权

US6038363A Fiber-optic spectroscopic probe with reduced background luminescence 失效
标题翻译：具有降低背景发光的光纤光谱探针
公开(公告)号：US6038363A
公开(公告)日：2000-03-14
申请号：US918459
申请日：1997-08-26
申请人： Joseph B. Slater , Michael J. Pelletier
发明人： Joseph B. Slater , Michael J. Pelletier
IPC分类号： G01J3/44 , G02B6/00
CPC分类号： G01J3/44
摘要： A fiber-optic spectroscopic probe minimizes unwanted sources of luminescence through the use of one or more non-luminescing beam-redirecting elements operative to aperture share the optical collection path. Preferably, the beam-redirecting element is reflective, and may take the form of a spot mirror on an otherwise optically transparent window to fold at least a portion of the excitation radiation into the optical collection path or a mirror having a centralized aperture may be used to introduce the excitation radiation into the optical collection path. In either case, the excitation radiation may first pass through a dispersive element in a bandpass filter configuration. Several complete fiber-optic-based probe head designs are disclosed along with results indicating reduced luminescence, spurious fluorescence, in particular.
摘要翻译：光纤光谱探测器通过使用一个或多个非发光光束重定向元件来使不需要的发光源最小化，该光束重定向元件可操作以共享光学收集路径。优选地，光束重定向元件是反射性的，并且可以在另外的光学透明窗口上采取点样镜的形式，以将激发辐射的至少一部分折叠到光学收集路径中，或者可以使用具有集中孔的反射镜以将激发辐射引入光学收集路径。在任一情况下，激发辐射可以首先通过带通滤波器配置中的色散元件。公开了几种完整的基于光纤的探针头设计以及尤其是减少的发光，杂散荧光的结果。

3. 发明授权

US5929986A Synchronous spectral line imaging methods and apparatus 失效
标题翻译：同步谱线成像方法和装置
公开(公告)号：US5929986A
公开(公告)日：1999-07-27
申请号：US918313
申请日：1997-08-26
申请人： Joseph B. Slater , Michael J. Pelletier
发明人： Joseph B. Slater , Michael J. Pelletier
IPC分类号： G01J3/28
CPC分类号： G01J3/28
摘要： Methods and apparatus for synchronous spectral line imaging are disclosed for use in conjunction with any of a number of radiative analysis techniques such as Raman or fluorescence detection. Light emitted points on a sample are separated into wavelength components and directed onto a two-dimensional image sensor such that the wavelength components impinge along one dimension of the sensor. The other dimension of the sensor is used in conjunction with spatial position relative to the sample, with at least certain of the steps being repeated for the different sample points so as to form the spectral line image. In terms of apparatus, the invention preferably utilizes at least one optical fiber having an input end to receive the light emitted by the sample and an output end to deliver the emitted light to the two-dimensional image sensor. The use of a flexible optical fiber facilitates the movement of the light received from the sample, movement of the received light relative to the sensor, or both. A wavelength-separating optical element such as a diffraction grating is disposed between the output end of the optical fiber and the sensor. The image may represent a straight line on the sample, or it may be curved, intermittent or discontinuous.
摘要翻译：公开了用于同时光谱线成像的方法和装置，以与许多辐射分析技术中的任何一种结合使用，例如拉曼或荧光检测。样品上的光发射点被分离成波长分量并被引导到二维图像传感器上，使得波长分量沿传感器的一个维度撞击。传感器的另一个尺寸与相对于样品的空间位置结合使用，对于不同的采样点，至少某些步骤是重复的，以形成谱线图像。在装置方面，本发明优选地利用至少一个具有输入端的光纤来接收由样本发射的光和输出端，以将发射的光传送到二维图像传感器。使用柔性光纤有助于从样品接收的光的移动，接收的光相对于传感器的移动，或两者的移动。诸如衍射光栅的波长分离光学元件设置在光纤的输出端与传感器之间。图像可以表示样品上的直线，或者它可以是弯曲的，间歇的或不连续的。

4. 发明授权

US5862273A Fiber optic probe with integral optical filtering 失效
标题翻译：带光学滤波器的光纤探头
公开(公告)号：US5862273A
公开(公告)日：1999-01-19
申请号：US803012
申请日：1997-02-21
申请人： Michael J. Pelletier
发明人： Michael J. Pelletier
IPC分类号： G01N21/77 , G02B6/24 , G02B6/00
CPC分类号： G01N21/65 , G02B6/241
摘要： Laser band-pass filter and/or band-reject filters are located at the end of an optical measurement probe by placing an appropriate Bragg grating proximate to the tip, and within, one or both of the optical fibers that make up the probehead. Thus, where an optical fiber is used to carry excitation energy of a nominal wavelength to a sample, the distal tip of this fiber will have included therein an optical filter to selectively pass energy of the nominal wavelength. Similarly, where an optical fiber is employed to carry stimulated emission from the sample to an analytical instrument such as a spectrometer, this fiber will have included within it at its distal tip an optical filter to selectively reject energy associated with the nominal wavelength. A disclosed system-level optical measurement probe would include a laser, a spectrometer, a first optical fiber to carry energy from the laser to a sample, including a Bragg grating laser bandpass filter at its tip, and a second optical fiber to carry energy collected from the sample to the spectrometer, including a Bragg grating laser band-reject filter at its tip.
摘要翻译：激光带通滤波器和/或带阻滤波器位于光学测量探针的末端，通过将合适的布拉格光栅放置在靠近尖端并且在组成探头的一个或两个光纤内。因此，当使用光纤将标称波长的激发能量携带到样品时，该光纤的远端将包括滤光器以选择性地传递标称波长的能量。类似地，当使用光纤将样品的受激发射携带到诸如光谱仪的分析仪器时，该光纤在其远端处将包括滤光器以选择性地拒绝与标称波长相关联的能量。所公开的系统级光学测量探针将包括激光器，光谱仪，将来自激光器的能量携带到样品的第一光纤，其中包括在其尖端处的布拉格光栅激光带通滤光器，以及第二光纤，以携带能量从样品到光谱仪，其尖端包括布拉格光栅激光带阻滤光片。

5. 发明授权

US06867858B2 Raman spectroscopy crystallization analysis method 失效
标题翻译：拉曼光谱结晶分析方法
公开(公告)号：US06867858B2
公开(公告)日：2005-03-15
申请号：US10368176
申请日：2003-02-18
申请人： Harry Owen , Mark Welch , Michael J. Pelletier
发明人： Harry Owen , Mark Welch , Michael J. Pelletier
IPC分类号： G01J3/44 , G01N21/65
CPC分类号： G01J3/44 , G01N21/65
摘要： A method of monitoring sample crystallization from a solution. The method includes the collection of multiple Raman spectra from a sample dissolved in a solvent as a function of time and under conditions promoting crystallization. Within each of the multiple Raman spectra, a first signal is identified corresponding to the sample associated with the solvent. A second signal corresponding to the sample in a microcrystallite state is also identified. Thereafter, the intensity of the multiple Raman spectra are measured for an increase relating to formation of the sample in a microcrystallite state. A method of monitoring sample crystallization from a solution as a function of turbidity is also disclosed. The method includes the collection of multiple Raman spectra from a sample dissolved in a solvent as a function of time under conditions promoting crystallization. A decrease in intensity is measured across the multiple Raman spectrum over time, the intensity decrease associated with macroscopic crystallization opacity. The decrease in intensity is finely correlated with the onset of macroscopic crystallization of the sample from the solvent.
摘要翻译：从溶液中监测样品结晶的方法。该方法包括从溶解在溶剂中的样品中收集多个拉曼光谱作为时间和促进结晶的条件的函数。在多个拉曼光谱的每一个内，识别出与溶剂相关的样品对应的第一信号。还鉴定了与微晶状态的样品相对应的第二信号。此后，测量多拉曼光谱的强度与微细晶体状态下样品形成有关的增加。还公开了一种监测来自溶液的样品结晶作为浊度的函数的方法。该方法包括在促进结晶的条件下，从溶解在溶剂中的样品中收集多个拉曼光谱作为时间的函数。随着时间的推移，多个拉曼光谱测量强度的降低，与宏观结晶不透明度相关的强度降低。强度的降低与来自溶剂的样品的宏观结晶的发生很相关。

6. 发明授权

US07471831B2 High throughput reconfigurable data analysis system 失效
标题翻译：高通量可重构数据分析系统
公开(公告)号：US07471831B2
公开(公告)日：2008-12-30
申请号：US10759808
申请日：2004-01-16
申请人： Greg Bearman , Michael J. Pelletier , Suresh Seshadri , Bedabrata Pain
发明人： Greg Bearman , Michael J. Pelletier , Suresh Seshadri , Bedabrata Pain
IPC分类号： G06K9/46
CPC分类号： G01N15/1463 , G01N2015/1497 , H04N5/335 , H04N5/347
摘要： The present invention relates to a system and method for performing rapid and programmable analysis of data. The present invention relates to a reconfigurable detector comprising at least one array of a plurality of pixels, where each of the plurality of pixels can be selected to receive and read-out an input. The pixel array is divided into at least one pixel group for conducting a common predefined analysis. Each of the pixels has a programmable circuitry programmed with a dynamically configurable user-defined function to modify the input. The present detector also comprises a summing circuit designed to sum the modified input.
摘要翻译：本发明涉及用于执行数据的快速和可编程分析的系统和方法。本发明涉及可重构检测器，其包括多个像素的至少一个阵列，其中可以选择多个像素中的每一个来接收和读出输入。像素阵列被划分为用于进行公共预定义分析的至少一个像素组。每个像素具有可编程的电路，其具有可动态配置的用户定义的功能，以修改输入。本检测器还包括设计用于对修改的输入求和的求和电路。

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