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1. 发明授权

US07957001B2 Wavelength-modulation spectroscopy method and apparatus 有权
标题翻译：波长调制光谱法和装置
公开(公告)号：US07957001B2
公开(公告)日：2011-06-07
申请号：US12249156
申请日：2008-10-10
申请人： Xiaoyong Liu , John McKinley Poole , Yufeng Huang , Daniel M. Stearns , Michael J. Gambuzza , Gene Smith Berkowitz , Anthony Kowal , Hejie Li , Shawn D. Wehe
发明人： Xiaoyong Liu , John McKinley Poole , Yufeng Huang , Daniel M. Stearns , Michael J. Gambuzza , Gene Smith Berkowitz , Anthony Kowal , Hejie Li , Shawn D. Wehe
IPC分类号： G01N21/31
CPC分类号： G01J3/4338 , G01N21/274 , G01N21/39 , G01N2021/399
摘要： In one embodiment of the spectroscopy method, the method comprises the steps of modulating the wavelength of a monochromatic radiation at a modulation amplitude and a modulation frequency; determining a first variable representative of an absorbance of an analyte in a sample; and demodulating by phase-sensitive detection the first variable at a harmonic of the modulation frequency to produce a harmonic spectrum of the analyte. In one embodiment of the spectroscopy apparatus, the apparatus comprises a laser diode integrated with a first photodetector configured to detect an intensity of a backward emission from the laser diode and act as a reference detector; a second photodetector configured to detect an intensity of laser radiation exiting a sample; and electronic circuitry coupled to the laser diode and the photodetectors, configured to acquire and process spectra of the sample. In another embodiment, the spectroscopy apparatus comprises a beam splitter configured to split the laser radiation into a first radiation portion and a second radiation portion and a first photodetector configured to detect the intensity of the first radiation portion.
摘要翻译：在光谱方法的一个实施例中，该方法包括以调制幅度和调制频率调制单色辐射的波长的步骤; 确定代表样品中分析物的吸光度的第一变量; 并通过相位敏感检测对调制频率的谐波处的第一变量进行解调，以产生分析物的谐波谱。在光谱设备的一个实施例中，该装置包括与第一光电检测器集成的激光二极管，其被配置为检测来自激光二极管的反向发射的强度并用作参考检测器; 第二光电检测器，其被配置为检测离开样品的激光辐射的强度; 以及耦合到所述激光二极管和所述光电检测器的电子电路，被配置为获取和处理所述样品的光谱。在另一个实施例中，光谱设备包括分束器，其配置成将激光辐射分裂成第一辐射部分和第二辐射部分，以及配置成检测第一辐射部分的强度的第一光电检测器。

2. 发明申请

US20100091278A1 WAVELENGTH-MODULATION SPECTROSCOPY METHOD AND APPARATUS 有权
标题翻译：波长调制光谱法和装置
公开(公告)号：US20100091278A1
公开(公告)日：2010-04-15
申请号：US12249156
申请日：2008-10-10
申请人： Xiaoyong Liu , John McKinley Poole , Yufeng Huang , Daniel M. Stearns , Michael J. Gambuzza , Gene Smith Berkowitz , Anthony Kowal , Hejie Li , Shawn D. Wehe
发明人： Xiaoyong Liu , John McKinley Poole , Yufeng Huang , Daniel M. Stearns , Michael J. Gambuzza , Gene Smith Berkowitz , Anthony Kowal , Hejie Li , Shawn D. Wehe
IPC分类号： G01N21/31
CPC分类号： G01J3/4338 , G01N21/274 , G01N21/39 , G01N2021/399
摘要： In one embodiment of the spectroscopy method, the method comprises the steps of modulating the wavelength of a monochromatic radiation at a modulation amplitude and a modulation frequency; determining a first variable representative of an absorbance of an analyte in a sample; and demodulating by phase-sensitive detection the first variable at a harmonic of the modulation frequency to produce a harmonic spectrum of the analyte. In one embodiment of the spectroscopy apparatus, the apparatus comprises a laser diode integrated with a first photodetector configured to detect an intensity of a backward emission from the laser diode and act as a reference detector; a second photodetector configured to detect an intensity of laser radiation exiting a sample; and electronic circuitry coupled to the laser diode and the photodetectors, configured to acquire and process spectra of the sample. In another embodiment, the spectroscopy apparatus comprises a beam splitter configured to split the laser radiation into a first radiation portion and a second radiation portion and a first photodetector configured to detect the intensity of the first radiation portion.
摘要翻译：在光谱方法的一个实施例中，该方法包括以调制幅度和调制频率调制单色辐射的波长的步骤; 确定代表样品中分析物的吸光度的第一变量; 并通过相位敏感检测对调制频率的谐波处的第一变量进行解调，以产生分析物的谐波谱。在光谱设备的一个实施例中，该装置包括与第一光电检测器集成的激光二极管，其被配置为检测来自激光二极管的反向发射的强度并用作参考检测器; 第二光电检测器，被配置为检测离开样品的激光辐射的强度; 以及耦合到所述激光二极管和所述光电检测器的电子电路，被配置为获取和处理所述样品的光谱。在另一个实施例中，光谱设备包括分束器，其配置成将激光辐射分裂成第一辐射部分和第二辐射部分，以及配置成检测第一辐射部分的强度的第一光电检测器。

3. 发明授权

US08026499B2 Method of calibrating a wavelength-modulation spectroscopy apparatus using a first, second and third gas to determine temperature and pressure values to calculate concentrations of analytes in a gas 有权
标题翻译：使用第一，第二和第三气体校准波长调制光谱仪的方法来确定温度和压力值以计算气体中分析物的浓度
公开(公告)号：US08026499B2
公开(公告)日：2011-09-27
申请号：US13083704
申请日：2011-04-11
申请人： Xiaoyong Liu , Yufeng Huang , John McKinley Poole , Gene Smith Berkowitz , Anthony Kowal , Shawn D. Wehe , Hejie Li
发明人： Xiaoyong Liu , Yufeng Huang , John McKinley Poole , Gene Smith Berkowitz , Anthony Kowal , Shawn D. Wehe , Hejie Li
IPC分类号： G01V8/00 , G01J3/28
CPC分类号： G01J3/4338
摘要： Several methods of calibrating a wavelength-modulation spectroscopy apparatus configured to measure a concentration of an analyte in a sample gas are disclosed. Each of the methods allows for calibration and recalibration using a relatively safe gas regardless of whether the sample gas for which the concentration of the analyte can be determined is a hazardous gas. In one embodiment of the invention, calibration that is sample-gas specific is accomplished by determining a first slope coefficient and calibration function for the sample gas, after which a scaling factor can be determined based on the first slope coefficient and a second slope coefficient for the same or a different sample gas and used in a subsequent calibration (or recalibration) to scale the calibration function. In other embodiments of the invention, calibration that is not sample-gas specific is accomplished to allow for the determination of the analyte concentration in variable gas compositions and constant gas compositions.
摘要翻译：公开了一种校准配置成测量样品气体中分析物的浓度的波长调制光谱仪的几种方法。每种方法允许使用相对安全的气体进行校准和重新校准，而不管可以确定分析物浓度的样品气体是否是有害气体。在本发明的一个实施例中，通过确定样品气体的第一斜率系数和校准函数来实现样品气体特异性的校准，之后可以基于第一斜率系数和第二斜率系数确定缩放因子，相同或不同的样品气体，并用于随后的校准（或重新校准）以缩放校准功能。在本发明的其它实施方案中，完成不是采样气体特异性的校准，以允许确定可变气体组成和恒定气体组成中的分析物浓度。

4. 发明授权

US07943915B2 Method of calibrating a wavelength-modulation spectroscopy apparatus 有权
标题翻译：校准波长调制光谱仪的方法
公开(公告)号：US07943915B2
公开(公告)日：2011-05-17
申请号：US12249096
申请日：2008-10-10
申请人： Xiaoyong Liu , Yufeng Huang , John McKinley Poole , Gene Smith Berkowitz , Anthony Kowal , Shawn D. Wehe , Hejie Li
发明人： Xiaoyong Liu , Yufeng Huang , John McKinley Poole , Gene Smith Berkowitz , Anthony Kowal , Shawn D. Wehe , Hejie Li
IPC分类号： G01V8/00 , G01J3/28
CPC分类号： G01J3/4338
摘要： Several methods of calibrating a wavelength-modulation spectroscopy apparatus configured to measure a concentration of an analyte in a sample gas are disclosed. Each of the methods allows for calibration and recalibration using a relatively safe gas regardless of whether the sample gas for which the concentration of the analyte can be determined is a hazardous gas. In one embodiment of the invention, calibration that is sample-gas specific is accomplished by determining a first slope coefficient and calibration function for the sample gas, after which a scaling factor can be determined based on the first slope coefficient and a second slope coefficient for the same or a different sample gas and used in a subsequent calibration (or recalibration) to scale the calibration function. In other embodiments of the invention, calibration that is not sample-gas specific is accomplished to allow for the determination of the analyte concentration in variable gas compositions and constant gas compositions.
摘要翻译：公开了一种校准配置成测量样品气体中分析物的浓度的波长调制光谱仪的几种方法。每种方法允许使用相对安全的气体进行校准和重新校准，而不管可以确定分析物浓度的样品气体是否是有害气体。在本发明的一个实施例中，通过确定样品气体的第一斜率系数和校准函数来实现样品气体特异性的校准，之后可以基于第一斜率系数和第二斜率系数确定缩放因子，相同或不同的样品气体，并用于随后的校准（或重新校准）以缩放校准功能。在本发明的其它实施方案中，完成不是采样气体特异性的校准，以允许确定可变气体组成和恒定气体组成中的分析物浓度。

5. 发明申请

US20100089117A1 METHOD OF CALIBRATING A WAVELENGTH-MODULATION SPECTROSCOPY APPARATUS 有权
标题翻译：校准波长调制光谱仪的方法
公开(公告)号：US20100089117A1
公开(公告)日：2010-04-15
申请号：US12249096
申请日：2008-10-10
申请人： Xiaoyong Liu , Yufeng Huang , John McKinley Poole , Gene Smith Berkowitz , Anthony Kowal , Shawn D. Wehe , Hejie Li
发明人： Xiaoyong Liu , Yufeng Huang , John McKinley Poole , Gene Smith Berkowitz , Anthony Kowal , Shawn D. Wehe , Hejie Li
IPC分类号： G01N21/17
CPC分类号： G01J3/4338
摘要： Several methods of calibrating a wavelength-modulation spectroscopy apparatus configured to measure a concentration of an analyte in a sample gas are disclosed. Each of the methods allows for calibration and recalibration using a relatively safe gas regardless of whether the sample gas for which the concentration of the analyte can be determined is a hazardous gas. In one embodiment of the invention, calibration that is sample-gas specific is accomplished by determining a first slope coefficient and calibration function for the sample gas, after which a scaling factor can be determined based on the first slope coefficient and a second slope coefficient for the same or a different sample gas and used in a subsequent calibration (or recalibration) to scale the calibration function. In other embodiments of the invention, calibration that is not sample-gas specific is accomplished to allow for the determination of the analyte concentration in variable gas compositions and constant gas compositions.
摘要翻译：公开了一种校准配置成测量样品气体中分析物的浓度的波长调制光谱仪的几种方法。每种方法允许使用相对安全的气体进行校准和重新校准，而不管可以确定分析物浓度的样品气体是否是有害气体。在本发明的一个实施例中，通过确定样品气体的第一斜率系数和校准函数来实现样品气体特异性的校准，之后可以基于第一斜率系数和第二斜率系数确定缩放因子，相同或不同的样品气体，并用于随后的校准（或重新校准）以缩放校准功能。在本发明的其它实施方案中，完成不是采样气体特异性的校准，以允许确定可变气体组成和恒定气体组成中的分析物浓度。

6. 发明申请

US20110181877A1 METHOD OF CALIBRATING A WAVELENGTH-MODULATION SPECTROSCOPY APPARATUS 有权
标题翻译：校准波长调制光谱仪的方法
公开(公告)号：US20110181877A1
公开(公告)日：2011-07-28
申请号：US13083704
申请日：2011-04-11
申请人： Xiaoyong Liu , Yufeng Huang , John McKinley Poole , Gene Smith Berkowitz , Anthony Kowal , Shawn D. Wehe , Hejie Li
发明人： Xiaoyong Liu , Yufeng Huang , John McKinley Poole , Gene Smith Berkowitz , Anthony Kowal , Shawn D. Wehe , Hejie Li
IPC分类号： G01J3/28
CPC分类号： G01J3/4338
摘要： Several methods of calibrating a wavelength-modulation spectroscopy apparatus configured to measure a concentration of an analyte in a sample gas are disclosed. Each of the methods allows for calibration and recalibration using a relatively safe gas regardless of whether the sample gas for which the concentration of the analyte can be determined is a hazardous gas. In one embodiment of the invention, calibration that is sample-gas specific is, accomplished by determining a first slope coefficient and calibration function for the sample gas, after which a scaling factor can be determined based on the first slope coefficient and a second slope coefficient for the same or a different sample gas and used in a subsequent calibration (or recalibration) to scale the calibration function. In other embodiments of the invention, calibration that is not sample-gas specific is accomplished to allow for the determination of the analyte concentration in variable gas compositions and constant gas compositions.
摘要翻译：公开了一种校准配置成测量样品气体中分析物的浓度的波长调制光谱仪的几种方法。每种方法允许使用相对安全的气体进行校准和重新校准，而不管可以确定分析物浓度的样品气体是否是有害气体。在本发明的一个实施例中，通过确定样品气体的第一斜率系数和校准函数来实现样品气体特异性的校准，之后可以基于第一斜率系数和第二斜率系数确定比例因子用于相同或不同的样品气体，并用于随后的校准（或重新校准）以缩放校准功能。在本发明的其它实施方案中，完成不是采样气体特异性的校准，以允许确定可变气体组成和恒定气体组成中的分析物浓度。

7. 发明申请

US20110181876A1 METHOD OF CALIBRATING A WAVELENGTH-MODULATION SPECTROSCOPY APPARATUS 有权
标题翻译：校准波长调制光谱仪的方法
公开(公告)号：US20110181876A1
公开(公告)日：2011-07-28
申请号：US13083697
申请日：2011-04-11
申请人： Xiaoyong Liu , Yufeng Huang , John McKinley Poole , Gene Smith Berkowitz , Anthony Kowal , Shawn D. Wehe , Hejie Li
发明人： Xiaoyong Liu , Yufeng Huang , John McKinley Poole , Gene Smith Berkowitz , Anthony Kowal , Shawn D. Wehe , Hejie Li
IPC分类号： G01J3/28
CPC分类号： G01J3/4338
摘要： Several methods of calibrating a wavelength-modulation spectroscopy apparatus configured to measure a concentration of an analyte in a sample gas are disclosed. Each of the methods allows for calibration and recalibration using a relatively safe gas regardless of whether the sample gas for which the concentration of the analyte can be determined is a hazardous gas. In one embodiment of the invention, calibration that is sample-gas specific is accomplished by determining a first slope coefficient and calibration function for the sample gas, after which a scaling factor can be determined based on the first slope coefficient and a second slope coefficient for the same or a different sample gas and used in a subsequent calibration (or recalibration) to scale the calibration function. In other embodiments of the invention, calibration that is not sample-gas specific is accomplished to allow for the determination of the analyte concentration in variable gas compositions and constant gas compositions.
摘要翻译：公开了一种校准配置成测量样品气体中分析物的浓度的波长调制光谱仪的几种方法。每种方法允许使用相对安全的气体进行校准和重新校准，而不管可以确定分析物浓度的样品气体是否是有害气体。在本发明的一个实施例中，通过确定样品气体的第一斜率系数和校准函数来实现样品气体特异性的校准，之后可以基于第一斜率系数和第二斜率系数确定缩放因子，相同或不同的样品气体，并用于随后的校准（或重新校准）以缩放校准功能。在本发明的其它实施方案中，完成不是采样气体特异性的校准，以允许确定可变气体组成和恒定气体组成中的分析物浓度。

8. 发明授权

US08217376B2 Method of calibrating a wavelength-modulation spectroscopy apparatus using a first, second, and third gas to determine temperature values to calculate concentrations of an analyte in a gas 有权
标题翻译：使用第一，第二和第三气体校准波长调制光谱设备的方法来确定温度值以计算气体中分析物的浓度
公开(公告)号：US08217376B2
公开(公告)日：2012-07-10
申请号：US13083697
申请日：2011-04-11
申请人： Xiaoyong Liu , Yufeng Huang , John McKinley Poole , Gene Smith Berkowitz , Anthony Kowal , Shawn D. Wehe , Hejie Li
发明人： Xiaoyong Liu , Yufeng Huang , John McKinley Poole , Gene Smith Berkowitz , Anthony Kowal , Shawn D. Wehe , Hejie Li
IPC分类号： G01V8/00 , G01J3/28
CPC分类号： G01J3/4338
摘要： Several methods of calibrating a wavelength-modulation spectroscopy apparatus configured to measure a concentration of an analyte in a sample gas are disclosed. Each of the methods allows for calibration and recalibration using a relatively safe gas regardless of whether the sample gas for which the concentration of the analyte can be determined is a hazardous gas. In one embodiment of the invention, calibration that is sample-gas specific is accomplished by determining a first slope coefficient and calibration function for the sample gas, after which a scaling factor can be determined based on the first slope coefficient and a second slope coefficient for the same or a different sample gas and used in a subsequent calibration (or recalibration) to scale the calibration function. In other embodiments of the invention, calibration that is not sample-gas specific is accomplished to allow for the determination of the analyte concentration in variable gas compositions and constant gas compositions.
摘要翻译：公开了一种校准配置成测量样品气体中分析物的浓度的波长调制光谱仪的几种方法。每种方法允许使用相对安全的气体进行校准和重新校准，而不管可以确定分析物浓度的样品气体是否是有害气体。在本发明的一个实施例中，通过确定样品气体的第一斜率系数和校准函数来实现样品气体特异性的校准，之后可以基于第一斜率系数和第二斜率系数确定缩放因子，相同或不同的样品气体，并用于随后的校准（或重新校准）以缩放校准功能。在本发明的其它实施方案中，完成不是采样气体特异性的校准，以允许确定可变气体组成和恒定气体组成中的分析物浓度。

9. 发明授权

US08547554B2 Method and system for detecting moisture in natural gas 有权
标题翻译：检测天然气水分的方法和系统
公开(公告)号：US08547554B2
公开(公告)日：2013-10-01
申请号：US13211821
申请日：2011-08-17
申请人： Xiaoyong Frank Liu , Yufeng Huang , John McKinley Poole , Gary S. Parece , Anthony Kowal
发明人： Xiaoyong Frank Liu , Yufeng Huang , John McKinley Poole , Gary S. Parece , Anthony Kowal
IPC分类号： G01N21/59
CPC分类号： G01N21/39 , G01N21/031 , G01N21/3554
摘要： A system includes a moisture analyzer configured to detect moisture in natural gas. The moisture analyzer includes an absorption cell that encloses and conducts the natural gas. The moisture analyzer also includes a pressure control device that may reduce a pressure of the natural gas inside the absorption cell. The moisture analyzer includes a light emitting device that may transmit light through the natural gas inside the absorption cell, as well as a photodetector that may detect an intensity of the light transmitted through the natural gas and exiting the absorption cell.
摘要翻译：系统包括配置成检测天然气中的水分的水份分析器。水分分析仪包括封闭并传导天然气的吸收单元。水分分析仪还包括可以减小吸收单元内的天然气压力的压力控制装置。水分分析仪包括可以透过吸收单元内的天然气的光的发光装置，以及可以检测透过天然气并离开吸收单元的光的强度的光电检测器。

10. 发明申请

US20130044323A1 METHOD AND SYSTEM FOR DETECTING MOISTURE IN NATURAL GAS 有权
标题翻译：用于检测天然气水分的方法和系统
公开(公告)号：US20130044323A1
公开(公告)日：2013-02-21
申请号：US13211821
申请日：2011-08-17
申请人： Xiaoyong Frank Liu , Yufeng Huang , John McKinley Poole , Gary S. Parece , Anthony Kowal
发明人： Xiaoyong Frank Liu , Yufeng Huang , John McKinley Poole , Gary S. Parece , Anthony Kowal
IPC分类号： G01N21/59
CPC分类号： G01N21/39 , G01N21/031 , G01N21/3554
摘要： A system includes a moisture analyzer configured to detect moisture in natural gas. The moisture analyzer includes an absorption cell that encloses and conducts the natural gas. The moisture analyzer also includes a pressure control device that may reduce a pressure of the natural gas inside the absorption cell. The moisture analyzer includes a light emitting device that may transmit light through the natural gas inside the absorption cell, as well as a photodetector that may detect an intensity of the light transmitted through the natural gas and exiting the absorption cell.
摘要翻译：系统包括配置成检测天然气中的水分的水份分析器。水分分析仪包括封闭并传导天然气的吸收单元。水分分析仪还包括可以减小吸收单元内的天然气压力的压力控制装置。水分分析仪包括可以透过吸收单元内的天然气的光的发光装置，以及可以检测透过天然气并离开吸收单元的光的强度的光电检测器。

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