公开(公告)号：US20110228371A1

公开(公告)日：2011-09-22

申请号：US12970436

申请日：2010-12-16

Applicant: Pawel KLUCZYNSKI ,  Rikard Larking ,  Tomas E. Lock

Inventor： Pawel KLUCZYNSKI ,  Rikard Larking ,  Tomas E. Lock

IPC: G02B27/48 ,  G02B26/08

CPC classification number: G01J3/02 ,  G01J3/4338

Abstract: An apparatus for reducing fringe interference of light created in the optical system of a laser spectroscopy system comprising an electromagnetic actuator for generating, along a laser path, physical translational vibration of an optical element of the optical system and a control device for controlling the amplitude and frequency of said vibration. The optical element is arranged on a cantilever body which is, at one end, attached to a base by a flexural pivot and, at the other free end, coupled to the electromagnetic actuator, and the control device includes a controller that controls the amplitude of the vibration and a vibration sensor attached to the cantilever body and providing the actual vibration value to the controller to improve fringe interference reduction, especially with longer wavelengths.

Abstract translation: 一种用于减少在激光光谱系统的光学系统中产生的光的边缘干涉的装置，包括用于沿着激光路径产生光学系统的光学元件的物理平移振动的电磁致动器和用于控制振幅的控制装置， 振动频率。 光学元件布置在悬臂体上，该悬臂体的一端通过弯曲枢轴连接到基座，而在另一自由端处连接到电磁致动器，并且控制装置包括控制器 振动和安装在悬臂体上的振动传感器，并向控制器提供实际的振动值，以改善边缘干扰的降低，特别是在较长的波长下。

公开(公告)号：US07864323B2

公开(公告)日：2011-01-04

申请号：US12156596

申请日：2008-06-02

Applicant: Pawel Kluczynski ,  Stefan Lundqvist

Inventor： Pawel Kluczynski ,  Stefan Lundqvist

IPC: G01N21/35

CPC classification number: G01N21/39 ,  G01N2021/399

Abstract: There is described a method for measuring a concentration of a gas component in a measuring gas, wherein the light of a wavelength tunable light source is passed along a single optical path through a measuring volume containing the measuring gas and a reference cell containing a reference gas to a detector. The reference cell is selected to contain a selected isotope of the gas component to be measured in a known abundance ratio higher than the known natural-abundance isotope ratio of the gas component in the measuring volume; the light source is tuned to sweep the wavelength of the light over the absorption lines of the selected isotope and the remaining gas component; and the concentration of the gas component in the measuring volume is calculated from the ratio of the detector signals at the peaks of the absorption lines, based on Lambert's law and taking into account the known abundance isotope ratios.

Abstract translation: 描述了一种测量测量气体中气体成分浓度的方法，其中波长可调光源的光沿着单个光路通过包含测量气体的测量体积和含有参考气体的参考电池 到检测器。 参考电池被选择为以比测量体积中的气体组分的已知天然丰度同位素比高的已知丰度比含有所测量的气体组分的选定同位素; 调整光源以扫过所选择的同位素和剩余气体成分的吸收线上的光的波长; 并且根据Lambert定律并考虑已知的丰度同位素比率，从吸收线的峰值处的检测器信号的比率计算测量体积中的气体成分的浓度。

公开(公告)号：US07324204B2

公开(公告)日：2008-01-29

申请号：US11358854

申请日：2006-02-21

Applicant: Pawel Kluczynski

Inventor： Pawel Kluczynski

IPC: G01N21/61

CPC classification number: G01N21/39 ,  G01N21/3504 ,  G01N21/61 ,  G01N21/85 ,  G01N2021/151 ,  G01N2021/354 ,  G01N2021/3545 ,  G01N2021/399

Abstract: In spectroscopic devices the sections of an optical measuring path from a light source to a measuring volume containing a measuring gas and from there to a measuring detector are often sealed off from the ambient atmosphere and purged with a purge gas such as dry nitrogen to prevent penetration of atmospheric gas components, such as water vapor, which may interfere with the trace gas measurement. The moisture content in the nitrogen supply is usually in the range of a few ppm at the gas source and can increase dramatically at the measuring site depending on the length of the nitrogen pipe net and due to porosity of the pipe walls, leakage of seals and residual moisture trapped in so-called dead legs. In order to compensate interfering absorption of atmospheric gas components and other impurities in the purge gas the purge gas is collected after flushing the optical path sections, a portion of the light of the light source is transmitted along a second optical path to a compensation detector, the second optical path is flushed with the collected purge gas and the trace gas component in the measuring gas is determined based on a difference between the output of the measuring detector and the output of the compensation detector.

Abstract translation: 在光谱设备中，从光源到包含测量气体并从那里到测量检测器的测量体积的光学测量路径的部分经常被与环境大气密封隔离并用诸如干燥氮气的净化气体吹扫以防止渗透 的大气气体组分，如水蒸气，可能会干扰痕量气体测量。 氮气供应中的含水量通常在气体源处的几ppm范围内，并且可能在测量位置显着增加，这取决于氮气管网的长度，并且由于管壁的孔隙率，密封件的泄漏和 残留的水分被困在所谓的死腿上。 为了补偿吹扫气体中大气气体成分和其他杂质的干扰吸收，在冲洗光路部分之后收集净化气体，光源的一部分光沿着第二光路传输到补偿检测器， 基于测量检测器的输出与补偿检测器的输出之间的差异来确定测量气体中的痕量气体成分。

公开(公告)号：US20130334419A1

公开(公告)日：2013-12-19

申请号：US13901260

申请日：2013-05-23

Applicant: Pawel KLUCZYNSKI ,  Stefan LUNDQVIST

Inventor： Pawel KLUCZYNSKI ,  Stefan LUNDQVIST

IPC: G01J3/42

CPC classification number: G01J3/42 ,  G01N21/3504 ,  G01N33/4972

Abstract: A light beam generated by a light source having a wavelength corresponding to the ethanol absorption spectrum, preferably in the wavelength range of 3.28-3.52 μm or in one or more wavelength ranges 6.49-7.46 μm, 7.74-8.33 μm, 8.84-10.10 μm, 10.7-12.00 μm, is sent through a measuring space containing a sample of exhaled breath, and then the intensity of the light beam passing through the measuring space is measured. Based on the spectral analysis of the dependence of the light intensity to the alcohol concentration, the concentration of ethanol vapor is determined and the information about the level of the ethanol content is provided to a suitable display or device.

Abstract translation: 由具有对应于乙醇吸收光谱的波长的光源产生的光束，优选在3.28-3.52μm的波长范围内或在一个或多个波长范围6.49-7.46μm，7.74-8.33μm，8.84-10.10μm， 通过包含呼出样本的测量空间发送10.7-12.00粒，然后测量通过测量空间的光束的强度。 基于光强度与醇浓度的依赖性的光谱分析，确定乙醇蒸气的浓度，并将关于乙醇含量的信息提供给合适的显示器或装置。

公开(公告)号：US07800764B2

公开(公告)日：2010-09-21

申请号：US11998479

申请日：2007-11-30

Applicant: Pawel Kluczynski

Inventor： Pawel Kluczynski

IPC: G01B11/02

CPC classification number: G01J3/4338 ,  G01J3/02 ,  G01J3/0262 ,  G01N21/0303 ,  G01N21/39 ,  G01N2021/0389

Abstract: A method for reducing fringe interference of light created in a passive cavity defined by partially reflecting optical surfaces, wherein the optical path length of the cavity is varied with a Gaussian distribution, where the standard deviation is at least one-quarter of the light's wavelength.

Abstract translation: 一种用于减少在由部分反射的光学表面限定的无源腔中产生的光的边缘干涉的方法，其中，空腔的光程长度以高斯分布变化，其中标准偏差为光的波长的至少四分之一。

公开(公告)号：US20080304066A1

公开(公告)日：2008-12-11

申请号：US12156596

申请日：2008-06-02

Applicant: Pawel Kluczynski ,  Stefan Lundqvist

Inventor： Pawel Kluczynski ,  Stefan Lundqvist

IPC: G01N21/00

CPC classification number: G01N21/39 ,  G01N2021/399

Abstract: There is described a method for measuring a concentration of a gas component in a measuring gas, wherein the light of a wavelength tunable light source is passed along a single optical path through a measuring volume containing the measuring gas and a reference cell containing a reference gas to a detector. The reference cell is selected to contain a selected isotope of the gas component to be measured in a known abundance ratio higher than the known natural-abundance isotope ratio of the gas component in the measuring volume; the light source is tuned to sweep the wavelength of the light over the absorption lines of the selected isotope and the remaining gas component; and the concentration of the gas component in the measuring volume is calculated from the ratio of the detector signals at the peaks of the absorption lines, based on Lambert's law and taking into account the known abundance isotope ratios.

Abstract translation: 描述了一种测量测量气体中气体成分浓度的方法，其中波长可调光源的光沿着单个光路通过包含测量气体的测量体积和含有参考气体的参考电池 到检测器。 参考电池被选择为以比测量体积中的气体组分的已知天然丰度同位素比高的已知丰度比含有所测量的气体组分的选定同位素; 调整光源以扫过所选择的同位素和剩余气体成分的吸收线上的光的波长; 并且根据Lambert定律并考虑已知的丰度同位素比率，从吸收线的峰值处的检测器信号的比率计算测量体积中的气体成分的浓度。

公开(公告)号：US07251034B2

公开(公告)日：2007-07-31

申请号：US11011691

申请日：2004-12-14

Applicant: Pawel Kluczynski ,  Jack Margolis ,  Jan Nygren

Inventor： Pawel Kluczynski ,  Jack Margolis ,  Jan Nygren

IPC: G01N21/00

CPC classification number: G01J3/4338 ,  G01N21/39 ,  G01N2021/399 ,  G01N2201/0691

Abstract: A wavelength modulation spectroscopy method for measuring the concentration of a gas component is provided. A gas sample portion of the light is passed through a reference gas comprising the gas component in a constant concentration. Afterwards, the light is detected by a reference detector. Another portion of the light is passed through the gas sample and thereafter to a measuring detector. The light emitted by the light source is modulated with a frequency, while the wavelength is swept over a molecular absorption line of the gas component. Demodulation of the detector outputs is made at a higher harmonic. In order to compensate for variations of the modulation parameters of the light source in real time, a mathematical description of the demodulated reference detector output based on Fourier analysis of the modulated light and on a mathematical expression for the absorption line is provided.

Abstract translation: 提供了用于测量气体成分浓度的波长调制光谱法。 光的气体样品部分以恒定浓度通过包含气体组分的参考气体。 之后，通过基准检测器检测光。 光的另一部分通过气体样品，然后通过测量检测器。 由光源发射的光以频率被调制，而波长被扫过气体成分的分子吸收线。 检测器输出的解调在高次谐波处进行。 为了实时补偿光源的调制参数的变化，提供了基于调制光的傅里叶分析和吸收线的数学表达式的解调参考检测器输出的数学描述。

公开(公告)号：US20060192967A1

公开(公告)日：2006-08-31

申请号：US11358854

申请日：2006-02-21

Applicant: Pawel Kluczynski

Inventor： Pawel Kluczynski

IPC: G01N21/61

CPC classification number: G01N21/39 ,  G01N21/3504 ,  G01N21/61 ,  G01N21/85 ,  G01N2021/151 ,  G01N2021/354 ,  G01N2021/3545 ,  G01N2021/399

Abstract: In spectroscopic devices the sections of an optical measuring path from a light source to a measuring volume containing a measuring gas and from there to a measuring detector are often sealed off from the ambient atmosphere and purged with a purge gas such as dry nitrogen to prevent penetration of atmospheric gas components, such as water vapor, which may interfere with the trace gas measurement. The moisture content in the nitrogen supply is usually in the range of a few ppm at the gas source and can increase dramatically at the measuring site depending on the length of the nitrogen pipe net and due to porosity of the pipe walls, leakage of seals and residual moisture trapped in so-called dead legs. In order to compensate interfering absorption of atmospheric gas components and other impurities in the purge gas the purge gas is collected after flushing the optical path sections, a portion of the light of the light source is transmitted along a second optical path to a compensation detector, the second optical path is flushed with the collected purge gas and the trace gas component in the measuring gas is determined based on a difference between the output of the measuring detector and the output of the compensation detector.

Abstract translation: 在光谱设备中，从光源到包含测量气体并从那里到测量检测器的测量体积的光学测量路径的部分经常被与环境大气密封隔离并用诸如干燥氮气的净化气体吹扫以防止渗透 的大气气体组分，如水蒸气，可能会干扰痕量气体测量。 氮气供应中的含水量通常在气体源处的几ppm范围内，并且可能在测量位置显着增加，这取决于氮气管网的长度，并且由于管壁的孔隙率，密封件的泄漏和 残留的水分被困在所谓的死腿上。 为了补偿吹扫气体中的大气气体成分和其他杂质的干扰吸收，在冲洗光路部分之后收集净化气体，光源的一部分光沿着第二光路传输到补偿检测器， 基于测量检测器的输出与补偿检测器的输出之间的差异来确定测量气体中的痕量气体成分。

公开(公告)号：US20050140979A1

公开(公告)日：2005-06-30

申请号：US11011691

申请日：2004-12-14

Applicant: Pawel Kluczynski ,  Jack Margolis ,  Jan Nygren

Inventor： Pawel Kluczynski ,  Jack Margolis ,  Jan Nygren

IPC: G01J3/433 ,  G01N21/39 ,  G01J3/46

CPC classification number: G01J3/4338 ,  G01N21/39 ,  G01N2021/399 ,  G01N2201/0691

Abstract: In a wavelength modulation spectroscopy method for measuring the concentration of a gas component in a gas sample a portion of the light of a tunable light source is passed through a reference gas comprising the gas component in a constant concentration. Afterwards the light is detected by a reference detector. Another portion of the light is passed through the gas sample and thereafter to a measuring detector. The light emitted by the light source is modulated with a frequency fm, while the wavelength is swept over a molecular absorption line of the gas component. Demodulation of the detector outputs is made at a higher harmonic Nfm. In order to compensate for variations of the modulation parameters of the light source (2) in real time, a mathematical description of the demodulated reference detector output (S(υ)N,Ref) based on Fourier analysis of the modulated light (1) and on a mathematical expression for the absorption line is provided, said mathematical description comprising unknown modulation parameters with respect to the modulation of the light (1). Said modulation parameters are determined from the demodulated reference detector output (S(υ)N,Ref) and its mathematical description. In a further step the concentration (cMeas) is determined from the demodulated measuring detector output (S(υ)N,Meas), a corresponding mathematical description of it and the modulation parameters.

Abstract translation: 在用于测量气体样品中的气体成分浓度的波长调制光谱法中，可调光源的一部分光以恒定浓度通过包含气体成分的参考气体。 之后，由参考检测器检测到光。 光的另一部分通过气体样品，然后通过测量检测器。 当波长被扫过气体成分的分子吸收线时，由光源发射的光被调制成频率f m m。 检测器输出的解调是在高次谐波Nf 下进行的。 为了实时地补偿光源（2）的调制参数的变化，基于傅里叶分析的解调参考检测器输出（S（上）N，Ref）的数学描述 提供调制光（1）和吸收线的数学表达式，所述数学描述包括关于光（1）的调制的未知调制参数。 所述调制参数是根据解调参考检测器输出（N）和其数学描述确定的。 在另一步骤中，从解调的测量检测器输出（S）中确定浓度（测量值），其对应的数学描述和 调制参数。

公开(公告)号：US09068885B2

公开(公告)日：2015-06-30

申请号：US13901260

申请日：2013-05-23

Applicant: Pawel Kluczynski ,  Stefan Lundqvist

Inventor： Pawel Kluczynski ,  Stefan Lundqvist

IPC: G01J3/42 ,  G01N21/35 ,  G01N21/39 ,  G01N33/98 ,  G01N21/3504 ,  G01N33/497

CPC classification number: G01J3/42 ,  G01N21/3504 ,  G01N33/4972

Abstract: A light beam generated by a light source having a wavelength corresponding to the ethanol absorption spectrum, preferably in the wavelength range of 3.28-3.52 μm or in one or more wavelength ranges 6.49-7.46 μm, 7.74-8.33 μm, 8.84-10.10 μm, 10.7-12.00 μm, is sent through a measuring space containing a sample of exhaled breath, and then the intensity of the light beam passing through the measuring space is measured. Based on the spectral analysis of the dependence of the light intensity to the alcohol concentration, the concentration of ethanol vapor is determined and the information about the level of the ethanol content is provided to a suitable display or device.

Abstract translation: 由具有对应于乙醇吸收光谱的波长的光源产生的光束，优选在3.28-3.52μm的波长范围内或在一个或多个波长范围6.49-7.46μm，7.74-8.33μm，8.84-10.10μm， 10.7-12.00μm通过包含呼出气样本的测量空间传送，然后测量通过测量空间的光束的强度。 基于光强度与醇浓度的依赖性的光谱分析，确定乙醇蒸气的浓度，并将关于乙醇含量的信息提供给合适的显示器或装置。