公开(公告)号：US20110242659A1

公开(公告)日：2011-10-06

申请号：US13160405

申请日：2011-06-14

Applicant: Robert D. Eckles ,  Tyler G. Anderson

Inventor： Robert D. Eckles ,  Tyler G. Anderson

IPC: G01J3/02

CPC classification number: G01N21/031 ,  G01J3/0297 ,  G01J3/42 ,  G01N21/15 ,  G01N33/0047 ,  G01N2021/151 ,  G01N2021/152 ,  G01N2021/3513 ,  G01N2021/399

Abstract: A multi-pass optical cell with an actuator for actuating a reflective surface is provided. In one preferred embodiment, an apparatus is provided comprising a first reflective surface, a second reflective surface, and a support structure supporting the first and second reflective surfaces. The support structure positions the first and second reflective surfaces to create an optical cell. The apparatus also comprises a source and a detector, which are positioned such that light emitted from the source is reflected in the optical cell at least one time between the first and second reflective surfaces before reaching the detector. The apparatus further comprises an actuator coupled with and operative to actuate the first reflective surface. In some embodiments, the actuator rotates the first reflective surface. Also, in some embodiments, the multi-pass optical cell is an open path multi-pass optical cell, while, in other embodiments, the multi-pass optical cell is a closed path multi-pass optical cell.

Abstract translation: 提供具有用于致动反射表面的致动器的多通光学单元。 在一个优选实施例中，提供了包括第一反射表面，第二反射表面和支撑第一和第二反射表面的支撑结构的装置。 支撑结构定位第一和第二反射表面以创建光学单元。 该设备还包括源和检测器，其被定位成使得从光源发射的光在到达检测器之前在第一和第二反射表面之间至少一次在光学单元中反射。 所述装置还包括与所述第一反射表面联动并且可操作地致动所述第一反射表面的致动器。 在一些实施例中，致动器旋转第一反射表面。 此外，在一些实施例中，多遍光学单元是开放式多通道光学单元，而在其他实施例中，多通道光学单元是封闭路径多通道光学单元。

公开(公告)号：US20110211195A1

公开(公告)日：2011-09-01

申请号：US13129374

申请日：2009-08-03

Applicant: Jun Izawa ,  Yasunori Hamano ,  Nobuhiko Kubota

Inventor： Jun Izawa ,  Yasunori Hamano ,  Nobuhiko Kubota

IPC: G01N21/49

CPC classification number: G01N21/3504 ,  G01N2021/1793 ,  G01N2021/3513 ,  G01N2021/392

Abstract: A sufficiently large light detection value can be obtained to determine a concentration of a target component in a desired section, without using a laser emitter of a high laser intensity or a large light collector. By changing an orientation of a laser emitter 3 about a horizontal axis or a height of the laser emitter 3, a laser irradiation position on a ground or water surface 5 is switched between a first irradiation position 5a and a second irradiation position 5b. A photodetector 9 detects first scattered light resulting from scattering of first laser beam at the first irradiation position 5a, second scattered light resulting from scattering of second laser beam at the first irradiation position 5a, third scattered light resulting from scattering of the first laser beam at the second irradiation position 5b, and fourth scattered light resulting from scattering of the second laser beam at the second irradiation position 5b. A concentration calculator 11 calculates a concentration of a target component between the first irradiation position 5a and the second irradiation position 5b, based on detection values of the first, second, third, and fourth scattered light obtained by the photodetector 9.

Abstract translation: 可以获得足够大的光检测值，以在不使用高激光强度的激光发射器或大的集光器的情况下确定期望部分中的目标成分的浓度。 通过改变激光发射器3的围绕激光发射器3的水平轴或高度的取向，在第一照射位置5a和第二照射位置5b之间切换地面或水面5上的激光照射位置。 光电检测器9检测在第一照射位置5a处由第一激光束的散射产生的第一散射光，在第一照射位置5a处由第二激光束的散射产生的第二散射光，由第一激光束的散射引起的第三散射光 第二照射位置5b以及由第二激光束在第二照射位置5b的散射而产生的第四散射光。 浓度计算器11基于由光电检测器9获得的第一，第二，第三和第四散射光的检测值，计算第一照射位置5a和第二照射位置5b之间的目标成分的浓度。

公开(公告)号：US20110194108A1

公开(公告)日：2011-08-11

申请号：US12673255

申请日：2008-06-20

Applicant: Hongjie Li ,  Xingfeng Fan

Inventor： Hongjie Li ,  Xingfeng Fan

IPC: G01N21/61

CPC classification number: G01N21/3504 ,  G01J3/02 ,  G01J3/0208 ,  G01J3/021 ,  G01J3/0218 ,  G01J3/42 ,  G01N21/031 ,  G01N21/05 ,  G01N2021/3513 ,  G01N2201/08

Abstract: A long optical path gas monitor is open-typed or close-typed. The monitor includes an optical generation part and a signal processing part. Said optical generation part comprises an emitter, a receiver and multi-group concave mirrors or prisms used to form enough optical path between the emitter and the receiver. Said signal processing part includes an optical fiber (21), a spectrometer (22), a scanner (23), an optoelectronic detector (24) and a computer (25), which are connected sequentially. The input end of the optical fiber (21) is connected to the receiver.

Abstract translation: 长路径气体监测仪是开式或密闭型。 监视器包括光学生成部分和信号处理部分。 所述光学发生部分包括用于在发射器和接收器之间形成足够光路的发射器，接收器和多组凹面镜或棱镜。 所述信号处理部分包括依次连接的光纤（21），光谱仪（22），扫描器（23），光电检测器（24）和计算机（25）。 光纤（21）的输入端连接到接收器。

公开(公告)号：US20110149288A1

公开(公告)日：2011-06-23

申请号：US12640797

申请日：2009-12-17

Applicant: Robert Warren Taylor ,  Peter Martin Maly ,  Brian Robert Phelan

Inventor： Robert Warren Taylor ,  Peter Martin Maly ,  Brian Robert Phelan

IPC: G01N21/00

CPC classification number: G01N21/39 ,  G01N21/3504 ,  G01N25/54 ,  G01N2021/3513 ,  G01N2021/399

Abstract: A system including at least one laser device extending a beam through an in-situ non-restrictive flow path of the gas mixture; and a measurer coupled to each laser device for obtaining a plurality of dynamic measurements over time of at least one species in the gas mixture.

Abstract translation: 一种包括至少一个激光装置的系统，所述至少一个激光装置使束通过气体混合物的原位非限制性流动路径延伸; 以及耦合到每个激光装置的测量器，用于随着气体混合物中的至少一种物质随时间获得多个动态测量。

公开(公告)号：US20110082649A1

公开(公告)日：2011-04-07

申请号：US12813010

申请日：2010-06-10

Applicant: Emidio RITI

Inventor： Emidio RITI

IPC: G06F19/00

CPC classification number: G01N21/3504 ,  G01N21/39 ,  G01N2021/1793 ,  G01N2021/3513 ,  G01N2021/392 ,  G01N2021/394 ,  G01N2021/399 ,  G01N2201/1293

Abstract: The present invention relates to a method for detecting N gases, each having a corresponding spectral signature. The method comprises determining, on the basis of a Principal-Component Analysis of the spectral signatures of the N gases, M wavelengths, on the basis of which said spectral signatures can be represented. Furthermore, the method comprises emitting, for each of the M wavelengths determined, a corresponding electromagnetic radiation having said wavelength. The method also comprises acquiring, for each of the M wavelengths determined, a corresponding back-scattered electromagnetic radiation having said wavelength. Finally, the method comprises detecting and identifying one of the N gases on the basis of the corresponding spectral signature and of at least one electromagnetic radiation acquired.

Abstract translation: 本发明涉及一种检测N种气体的方法，每种气体都具有相应的光谱特征。 该方法包括基于N个气体的光谱特征的主成分分析来确定M个波长，基于此可以表示所述光谱特征。 此外，该方法包括针对所确定的M个波长中的每个发射具有所述波长的对应的电磁辐射。 该方法还包括针对所确定的每个M个波长获取具有所述波长的对应的反向散射电磁辐射。 最后，该方法包括基于相应的光谱特征和所获取的至少一种电磁辐射来检测和识别N种气体中的一种。

公开(公告)号：US07884939B2

公开(公告)日：2011-02-08

申请号：US12389562

申请日：2009-02-20

Applicant: Arne Tröllsch

Inventor： Arne Tröllsch

IPC: G01N21/59

CPC classification number: G01N21/3504 ,  G01N2021/3513

Abstract: A gas-measuring arrangement (1) with an open optical measuring section (7) is formed by a measuring device (5) with an array of lenses (10, 12, 19, 24), a phase mask (22), an optical path mirror (16) positioned obliquely, and a reflecting mirror (3) located outside the measuring device (5) at the end of the open measuring section (7). The light is decoupled to a detector (26) via a phase mask (22) and the optical path mirror (16). The phase mask (22) diverges a light intensity spot and the light intensity ring is decoupled by an obliquely positioned optical path mirror (16) towards a detector (26).

Abstract translation: 具有开口光学测量部分（7）的气体测量装置（1）由具有透镜阵列（10,12,19,24）的测量装置（5），相位掩模（22），光学 位于倾斜位置的路径反射镜（16）和位于开放测量部分（7）的端部处的测量装置（5）外部的反射镜（3）。 光通过相位掩模（22）和光路镜（16）与探测器（26）去耦合。 相位掩模（22）发散光强度点，并且光强度环通过倾斜定位的光学路径镜（16）朝向检测器（26）解耦。

公开(公告)号：US20100045977A1

公开(公告)日：2010-02-25

申请号：US12578629

申请日：2009-10-14

Applicant: Kenneth A. Puzey

Inventor： Kenneth A. Puzey

IPC: G01J3/26

CPC classification number: C12Q1/04 ,  G01N21/31 ,  G01N21/3504 ,  G01N21/53 ,  G01N2021/1793 ,  G01N2021/3137 ,  G01N2021/3166 ,  G01N2021/3513 ,  G01N2021/4707 ,  G01N2021/4709 ,  G01N2021/4728

Abstract: Broadband light, for example, from a Fabry-Perot quantum cascade laser, is shone onto a sample, and spectral data concerning the broadband light reflected from the sample is collected. The spectral data is analyzed to determine information about one or more substances in the sample. For example, if the sample contains micro-organisms, such as bacteria or fungus, the biological classification(s) (e.g., species) of the micro-organisms can be determined from the spectral data. As another example, if the sample contains virus, the biological classification(s) (e.g., species) of the virus(es) can be determined from the spectral data. As yet another example, if the sample contains particles, size, location and velocity can be determined from the spectral data.

Abstract translation: 例如，来自法布里 - 珀罗量子级联激光器的宽带光照射到样品上，并收集与样品反射的宽带光有关的光谱数据。 分析光谱数据以确定样品中一种或多种物质的信息。 例如，如果样品含有诸如细菌或真菌的微生物，则可以根据光谱数据确定微生物的生物分类（例如物种）。 作为另一个例子，如果样品含有病毒，则可以从光谱数据确定病毒的生物分类（例如，种类）。 作为又一示例，如果样品含有颗粒，则可以从光谱数据确定大小，位置和速度。

公开(公告)号：US20100006760A1

公开(公告)日：2010-01-14

申请号：US11104505

申请日：2005-04-13

Applicant: Hyo Sang Lee ,  Coorg R. Prasad

Inventor： Hyo Sang Lee ,  Coorg R. Prasad

IPC: G01N21/00 ,  G01J1/42

CPC classification number: G01N21/6456 ,  G01N21/3504 ,  G01N21/47 ,  G01N21/6408 ,  G01N21/645 ,  G01N2021/1793 ,  G01N2021/3513 ,  G01N2021/4709 ,  G01N2021/6463 ,  G01N2021/6495

Abstract: A system and method for detecting airborne agents. The system includes a semiconductor ultraviolet optical source configured to emit an ultraviolet light, a controller configured to generate a pseudo-random code for emission of the ultraviolet light modulated at the pseudo-random code, a telescope configured to focus the ultraviolet light to a distance from the source and to receive elastically backscattered signals and fluorescence signals from the distance, and a sensor configured to detect the elastically backscattered and fluorescence signals. The method generates a pseudo-random code and emits at least one wavelength of ultraviolet light modulated at the pseudo-random code, transmits the modulated ultraviolet light pulses to a distance from the source, receives elastically backscattered signals and fluorescence signals from the distance, and detects the elastically backscattered and fluorescence signals.

Abstract translation: 一种用于检测空气传播剂的系统和方法。 该系统包括被配置为发射紫外光的半导体紫外光源，被配置为产生用于发射以伪随机码调制的紫外光的伪随机码的控制器，配置成将紫外光聚焦到一定距离的望远镜 并且从该距离接收弹性背散射信号和荧光信号，以及被配置为检测弹性背散射和荧光信号的传感器。 该方法产生伪随机码并且发射以伪随机码调制的紫外光的至少一个波长，将经调制的紫外光脉冲发射到距离源一段距离，从该距离接收弹性反向散射信号和荧光信号，以及 检测弹性背散射和荧光信号。

公开(公告)号：US20090159798A1

公开(公告)日：2009-06-25

申请号：US11962010

申请日：2007-12-20

Applicant: Miles James Weida ,  Timothy Day ,  Eric B. Takeuchi

Inventor： Miles James Weida ,  Timothy Day ,  Eric B. Takeuchi

IPC: G01N21/35

CPC classification number: G01M3/38 ,  G01M3/202 ,  G01N21/3504 ,  G01N2021/3513 ,  H01S3/105 ,  H01S5/0222 ,  H01S5/024 ,  H01S5/02415 ,  H01S5/0612 ,  H01S5/141

Abstract: An imaging system (10) for imaging an emitting gas (12) includes an imager (16) and a laser source (20). The imager (16) captures an image (18) of light in the mid-infrared (MIR) range. The laser source (20) includes a semiconductor laser (334) that directly emits an output beam (26) that is in the MIR range. The output beam (26) may be adapted to backscatter near and/or be absorbed by the emitting gas (12). Thus, when an emitting gas (12) is present, the gas (12) may absorb and attenuate the backscattered light. As a result thereof, a shadow or contrast (18A) corresponding to the emitting gas (12) may be visible in the image (18) that is captured by the imager (16).

Abstract translation: 用于对发射气体（12）成像的成像系统（10）包括成像器（16）和激光源（20）。 成像器（16）捕获中红外（MIR）范围内的光的图像（18）。 激光源（20）包括直接发射在MIR范围内的输出光束（26）的半导体激光器（334）。 输出光束（26）可以适于在发射气体（12）附近和/或被吸收的反向散射。 因此，当存在发射气体（12）时，气体（12）可以吸收和衰减背散射光。 作为其结果，对应于发射气体（12）的阴影或对比度（18A）可以在由成像器（16）捕获的图像（18）中可见。

公开(公告)号：US07501629B2

公开(公告)日：2009-03-10

申请号：US11386450

申请日：2006-03-22

Applicant: Ram A. Hashmonay

Inventor： Ram A. Hashmonay

IPC: G01N21/00

CPC classification number: G01N21/3504 ,  G01N21/39 ,  G01N2021/3513 ,  G01N2021/3595 ,  G01N2021/399

Abstract: Methods, systems, and computer program products for the fenceline monitoring of air contaminants. More particularly, methods, systems, and computer program products for correlating temporal variations between simultaneous measurements of at least one point monitor and an optical remote sensing (ORS) monitor to estimate the peak concentration of one or more air contaminants along a line of measurement, e.g., a fenceline.

Abstract translation: 方法，系统和计算机程序产品，用于围栏监控空气污染物。 更具体地，涉及用于将至少一个点监测器和光学遥感（ORS）监测器的同时测量之间的时间变化相关联的方法，系统和计算机程序产品，以估计沿着测量线的一个或多个空气污染物的峰值浓度， 例如，围栏。