公开(公告)号：US20140204382A1

公开(公告)日：2014-07-24

申请号：US14162578

申请日：2014-01-23

Applicant: California Institute of Technology

Inventor： Lance E. Christensen

IPC: G01N21/25

CPC classification number: G01N21/39 ,  G01N21/031 ,  G01N21/3504 ,  G01N2021/3513 ,  G01N2021/399 ,  G01N2201/0221

Abstract: An open-path laser spectrometer (OPLS) for measuring a concentration of a trace gas, the OPLS including an open-path multi-pass analysis region including a first mirror, a second mirror at a distance and orientation from the first mirror, and a support structure for locating the mirrors, a laser coupled to the analysis region and configured to emit light of a wavelength range and to enable a plurality of reflections of the emitted light between the mirrors, a detector coupled to the analysis region and configured to detect a portion of the emitted light impinging on the detector and to generate a corresponding signal, and an electronic system coupled to the laser and the detector, and configured to adjust the wavelength range of the emitted light from the laser based on the generated signal, and to measure the concentration of the trace gas based on the generated signal.

Abstract translation: 一种用于测量痕量气体浓度的开路激光光谱仪（OPLS），该OPLS包括一个开放式多通道分析区域，包括第一反射镜，距离第一反射镜一定距离的第二反射镜和 用于定位反射镜的支撑结构，耦合到分析区域并被配置为发射波长范围的光并且能够在反射镜之间发射发射光的多个反射的激光器;耦合到分析区域并被配置为检测 照射在检测器上并产生相应信号的发射光的一部分，以及耦合到激光器和检测器的电子系统，并且被配置为基于产生的信号调整来自激光器的发射光的波长范围，并且被配置为 基于产生的信号测量痕量气体的浓度。

公开(公告)号：US20140091219A1

公开(公告)日：2014-04-03

申请号：US14015122

申请日：2013-08-30

Applicant: Frank SCHAEFER

Inventor： Frank SCHAEFER

IPC: G01N21/53

CPC classification number: G01N21/53 ,  G01J1/0492 ,  G01J1/1626 ,  G01N21/314 ,  G01N21/3504 ,  G01N2021/3137 ,  G01N2021/3513 ,  G01S17/88

Abstract: A gas sensor device for determining a molar concentration of a gas to be detected, that absorbs light of a measurement wavelength that is characteristic of the gas in the infrared light region, includes a light emission device emitting measurement light of measurement wavelength into a solid angle region of a light absorption path extending through the gas, and a light detector measuring an intensity of at least one component of the measurement light that has propagated through the light absorption path, the light absorption path extending from the light emission device to an object outside the gas sensor device that at least partially reflects the measurement light to the light detector, and being essentially disposed outside of the gas sensor device, and means for determining the length of the light absorption path. A method for determining a concentration of a gas to be detected is also described.

Abstract translation: 用于确定吸收红外光区域中的气体特性的测定波长的光的被检测气体的摩尔浓度的气体传感器装置，包括发射测定波长的测定光为立体角的发光装置 通过气体延伸的光吸收路径的区域，以及光检测器，其测量已经通过光吸收路径传播的测量光的至少一个分量的强度，光吸收路径从发光器件延伸到外部物体 所述气体传感器装置至少部分地将测量光反射到光检测器，并且基本上布置在气体传感器装置的外部，以及用于确定光吸收路径的长度的装置。 还描述了一种用于确定待检测气体浓度的方法。

公开(公告)号：US20130128271A1

公开(公告)日：2013-05-23

申请号：US13299073

申请日：2011-11-17

Applicant: Patrick L Smith ,  Steven M. Beck

Inventor： Patrick L Smith ,  Steven M. Beck

IPC: G01N21/59

CPC classification number: G01N21/39 ,  G01N21/3504 ,  G01N2021/1795 ,  G01N2021/3513

Abstract: One or more embodiments of the present invention pertain to a system, method, and apparatus that accurately measures concentration of a greenhouse gas in narrow atmospheric columns above multiple sites utilizing a network of autonomous low-cost beacons that turn on for short unannounced time intervals and point to a receiving satellite. For example, each beacon can activate for short time intervals and transmit a laser beam at eye-safe low transmission power levels to a receiving satellite. The receiving satellite includes a sensor configured to receive the laser beam from one or more activated beacon and generate raw greenhouse gas concentration data based on measurement of the received laser beam intensity at selected wavelengths.

Abstract translation: 本发明的一个或多个实施例涉及一种系统，方法和装置，其利用自主的低成本信标网络来精确地测量多个站点之上的窄大气压塔中的温室气体的浓度，所述自动低成本信标网络以短暂的未通知的时间间隔打开; 指向接收卫星。 例如，每个信标可​​以在短时间间隔内激活，并将眼睛安全的低传输功率电平的激光束发射到接收卫星。 接收卫星包括被配置为从一个或多个激活的信标接收激光束的传感器，并且基于所选择的波长处接收到的激光束强度的测量产生原始的温室气体浓度数据。

公开(公告)号：US08374209B2

公开(公告)日：2013-02-12

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: H01S3/08

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：US08294102B2

公开(公告)日：2012-10-23

申请号：US13399858

申请日：2012-02-17

Applicant: Ravinder P. Lall

Inventor： Ravinder P. Lall

IPC: G01N21/00

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

Abstract: This relates to a chemical biological threat detection system for enhancing the, discrimination in chemical biological threat detection in atmospheric air, low level chemical biological threat detection in air, as well as tactical determination of threat chemical biological agents' concentrations in a specific atmospheric range, at various time intervals. This uses the concept of quantitative monitoring the atmospheric air for chemical biological threats, as well as measuring the quantitative correlations/ratios in differential changes in the air, for the active/passive chemical biological Infrared (IR) EM radiation at an 8-12 μM wavelength, absorption/emission/scattering, using Electro-Optics. This chemical biological solution will use the reference chemical biological IR EM radiation (absorption, emission, scattering) signatures for comparison.

Abstract translation: 这涉及一种用于增强大气中化学生物威胁检测，空气中低水平化学生物威胁检测的差异化学生物威胁检测系统，以及特定大气范围内威胁化学生物制剂浓度的战术测定， 在不同的时间间隔。 这种方法使用定量监测大气中化学生物威胁的概念，以及测量8-12μM的主动/被动化学生物红外（IR）EM辐射的空气差异变化的定量相关/比例 波长，吸收/发射/散射，使用电光学。 该化学生物解决方案将使用参考化学生物IR EM辐射（吸收，发射，散射）标记进行比较。

公开(公告)号：US08255169B2

公开(公告)日：2012-08-28

申请号：US12600034

申请日：2008-05-23

Applicant: Henrik Hofvander ,  Andrew D. Sappey ,  James Howell ,  Qingchun Zhao

Inventor： Henrik Hofvander ,  Andrew D. Sappey ,  James Howell ,  Qingchun Zhao

IPC: G01N31/00 ,  G01R13/00

CPC classification number: G01N21/3504 ,  G01K11/125 ,  G01N21/39 ,  G01N2021/1787 ,  G01N2021/3513

Abstract: A method of absorption spectroscopy including obtaining absorption data at multiple wavelengths along more than one line-of-sight path through a quantity of gas of interest. The method further includes identifying more than one temperature and gas species concentration bin along the multiple line-of-sight paths and creating a map of temperature and gas species concentration. The map thus created will have at least two-dimensional information derived from select temperature and gas species concentration bins identified along more than one line-of-sight path. Apparatus for implementing the above method is also disclosed.

Abstract translation: 一种吸收光谱学方法，包括通过一定数量的感兴趣的气体沿着多于一条视线路径获得多个波长的吸收数据。 该方法还包括沿着多条视线路径识别多于一个的温度和气体种类浓度仓，并创建温度和气体种类浓度的图。 由此创建的地图将具有至少二维信息，该二维信息源自沿多于一条视线路径识别的选定温度和气体种类浓度箱。 还公开了用于实现上述方法的装置。

公开(公告)号：US08134711B2

公开(公告)日：2012-03-13

申请号：US12493634

申请日：2009-06-29

Applicant: J. Stewart Hager

Inventor： J. Stewart Hager

IPC: G01N21/47 ,  G01N21/00

CPC classification number: G01N21/3504 ,  G01M15/108 ,  G01N2021/3137 ,  G01N2021/3513 ,  G01N2021/4709

Abstract: In one aspect, the present invention relates to a device for remote sensing of emissions of a vehicle driven on a road. In one embodiment, the device includes a source for emitting a beam of light and transmitting the emitted light through an exhaust plume emitted from the vehicle to the surface of a lane of the road on which the vehicle is driven, wherein the transmitted light is scattered at the surface of the lane; a detector for receiving at least one portion of the scattered light scattered from the surface of the lane; and a processor for processing the received light therein to provide one or more spectra of the received light so as to determine components and concentrations of the exhaust plume. The source and the detector are located in the same side of the road.

Abstract translation: 一方面，本发明涉及一种用于远程感测在道路上行驶的车辆的排放物的装置。 在一个实施例中，该装置包括用于发射光束并将发射的光通过从车辆发射的排气羽流传播到车辆被驱动的道路的车道的表面的源，其中透射的光被散射 在车道的表面; 检测器，用于接收从车道表面散射的散射光的至少一部分; 以及处理器，用于处理其中的接收光，以提供所接收的光的一个或多个光谱，以便确定排气羽流的组分和浓度。 源和检测器位于道路的同一侧。

公开(公告)号：US20110170098A1

公开(公告)日：2011-07-14

申请号：US12677903

申请日：2008-09-01

Applicant: Erwan Normand

Inventor： Erwan Normand

IPC: G01J3/447 ,  G01J3/28 ,  G01J3/26

CPC classification number: G01J3/28 ,  G01J3/2823 ,  G01N21/314 ,  G01N21/3504 ,  G01N2021/1793 ,  G01N2021/3513

Abstract: A hyperspectral sensor or imager comprising a laser for illuminating a scene and a detector for detecting light emitted by the laser and transmitted through the scene, wherein the laser is a chirped laser arranged to output multiple pulses having different wavelength ranges, the multiple pulses being used to form an extended continuous spectrum for illuminating the scene.

Abstract translation: 一种高光谱传感器或成像器，包括用于照亮场景的激光器和用于检测由激光器发射并透射通过场景的光的检测器，其中激光器是被布置为输出具有不同波长范围的多个脉冲的啁啾激光器，所使用的多个脉冲 以形成用于照亮场景的扩展的连续光谱。

公开(公告)号：US20100328660A1

公开(公告)日：2010-12-30

申请号：US12493634

申请日：2009-06-29

Applicant: J. Stewart Hager

Inventor： J. Stewart Hager

IPC: G01J3/28 ,  G01J3/00

CPC classification number: G01N21/3504 ,  G01M15/108 ,  G01N2021/3137 ,  G01N2021/3513 ,  G01N2021/4709

Abstract: In one aspect, the present invention relates to a device for remote sensing of emissions of a vehicle driven on a road. In one embodiment, the device includes a source for emitting a beam of light and transmitting the emitted light through an exhaust plume emitted from the vehicle to the surface of a lane of the road on which the vehicle is driven, wherein the transmitted light is scattered at the surface of the lane; a detector for receiving at least one portion of the scattered light scattered from the surface of the lane; and a processor for processing the received light therein to provide one or more spectra of the received light so as to determine components and concentrations of the exhaust plume. The source and the detector are located in the same side of the road.

Abstract translation: 一方面，本发明涉及一种用于远程感测在道路上行驶的车辆的排放物的装置。 在一个实施例中，该装置包括用于发射光束并将发射的光通过从车辆发射的排气羽流传播到车辆被驱动的道路的车道的表面的源，其中透射的光被散射 在车道的表面; 检测器，用于接收从车道表面散射的散射光的至少一部分; 以及处理器，用于处理其中的接收光，以提供所接收的光的一个或多个光谱，以便确定排气羽流的组分和浓度。 源和检测器位于道路的同一侧。

公开(公告)号：US20100162766A1

公开(公告)日：2010-07-01

申请号：US12063311

申请日：2006-08-09

Applicant: Nicolas Docquier

Inventor： Nicolas Docquier

IPC: C03B9/41 ,  H01J3/14 ,  G01N21/27 ,  G01K11/00

CPC classification number: G01N21/3504 ,  C03B18/20 ,  C03B18/22 ,  G01N21/15 ,  G01N2021/151 ,  G01N2021/3513 ,  G01N2201/0231 ,  G01N2201/0233

Abstract: The invention relates to a method for controlling flat glass forming by flowing a molten glass over a liquid tin layer contained in a forming vat wherein a forming characteristic quantity is measured above the glass surface during forming by means of beams generated by at least one absorption spectroscopy-based analyser, wherein the light beams generated by said analyser form a net above the glass surface. A device for carrying out the inventive method comprising an arm for supporting a vessel which comprises a retroreflecting means for receiving a light beam and transmitting it in an opposite direction parallel to an incident optical path is also disclosed.

Abstract translation: 本发明涉及一种用于通过使熔融玻璃流过包含在成形槽中的液体锡层上来控制平板玻璃形成的方法，其中在成形期间通过至少一个吸收光谱产生的光束在玻璃表面上测量成形特征量 其中由所述分析器产生的光束在玻璃表面上形成网。 还公开了一种用于实施本发明的方法的装置，其包括用于支撑容器的臂，该臂包括用于接收光束并沿与入射光路平行的相反方向透射的后向反射装置。