公开(公告)号：US4795257A

公开(公告)日：1989-01-03

申请号：US24237

申请日：1987-03-10

Applicant: David H. Tracy ,  Stephen A. Myers

Inventor： David H. Tracy ,  Stephen A. Myers

IPC: G01J3/36 ,  G01J3/20

CPC classification number: G01J3/36

Abstract: A Rowland circle-type polychromator with the Rowland circle arc pivotally connected to the concave grating. Separate adjustments are provides for shifting the spectral lines and focussing. A tie rod is used to adjust the focus of the spectral lines. Dectectors are predeterminedly spaced along the arc to simultaneously detect unique spectral lines for analysis of multiple elements contained in a single sample.

公开(公告)号：US4764009A

公开(公告)日：1988-08-16

申请号：US69781

申请日：1987-07-06

Applicant: Gordon A. Shifrin

Inventor： Gordon A. Shifrin

IPC: G01J9/00 ,  G01S3/784 ,  G01J3/36 ,  G01B11/26

CPC classification number: G01S3/784 ,  G01J9/00

Abstract: A spectral analyzer and direction indicator is disclosed and is responsive to collimated or essentially collimated incident radiation. The spectral analyzer and direction indicator includes optical apparatus (13, 15, 113) for providing optical information including diffracted optical information. A detector structure (21, 23, 117) is responsive to the optical information to provide detection output information indicative of incidence direction and spectral content collimated or essentially collimated incident radiation. A processor (20, 120) determines whether the diffraction information includes second order diffraction.

Abstract translation: 公开了一种光谱分析仪和方向指示器，并且响应于准直或基本上准直的入射辐射。 频谱分析仪和方向指示器包括用于提供包括衍射光学信息的光学信息的光学设备（13,15,113）。 检测器结构（21,23,117）响应于光学信息以提供指示入射方向和光谱内容准直或基本准直的入射辐射的检测输出信息。 处理器（20,120）确定衍射信息是否包括二阶衍射。

公开(公告)号：US4715712A

公开(公告)日：1987-12-29

申请号：US710389

申请日：1985-03-11

Applicant: Taro Nogami

Inventor： Taro Nogami

IPC: G01J3/36 ,  G01J3/28 ,  G01J3/42

CPC classification number: G01J3/2803

Abstract: Light from a light source is dispersed by a grating. Two multichannel light detectors are arranged for detecting the dispersed light. One light detector detects the first order of interference and the other light detector detects the second order of interference in overlapping wavelength ranges. The outputs of the two light detectors are averaged for improving the S/N ratio, particularly in wavelength ranges in which the light intensity of the light source is low.

Abstract translation: 来自光源的光由光栅分散。 两个多通道光检测器被布置用于检测分散的光。 一个光检测器检测第一次干涉，另一个光检测器检测重叠波长范围的二次干涉。 平均两个光检测器的输出以提高S / N比，特别是在光源的光强低的波长范围内。

公开(公告)号：US4692630A

公开(公告)日：1987-09-08

申请号：US867093

申请日：1986-05-27

Applicant: Carl A. Gogol

Inventor： Carl A. Gogol

IPC: G01J3/36 ,  G01J3/443 ,  G01N21/62 ,  H01J27/00

CPC classification number: G01N21/62 ,  G01J3/36 ,  G01J3/443

Abstract: An optical partial pressure gas analyzer employs an electron beam to excite the outer electrons of gas atoms or molecules, and one or more photomultiplier tubes or other similar detectors to detect wavelengths of photons characteristic of the decay of the outer electrons of one or more species of gas molecules. The photomultiplier tubes have a viewing direction substantially at right angles to the electron beam. A Faraday trap or similar device is employed to avoid secondary electron generation. Thin-film interference filters are favorably employed to pass a specific characteristic wavelength of the desired species, and to reject other wavelengths. An electromechanical filter changer permits each photomultiplier tube to analyze two or more gasses alternately.

Abstract translation: 光学分压气体分析仪采用电子束来激发气体原子或分子的外部电子，以及一个或多个光电倍增管或其它类似的检测器，以检测一种或多种物质的外部电子的衰变特性的光子的波长 气体分子。 光电倍增管具有基本上与电子束成直角的观察方向。 采用法拉第陷阱或类似装置避免二次电子产生。 有利地使用薄膜干涉滤光片来传递所需物质的特定波长并抑制其它波长。 机电过滤器更换器允许每个光电倍增管交替分析两个或更多个气体。

公开(公告)号：US4674877A

公开(公告)日：1987-06-23

申请号：US430583

申请日：1982-09-30

Applicant: Lothar H. Bullinga

Inventor： Lothar H. Bullinga

IPC: G01J3/36 ,  H04N9/28 ,  H04N17/04 ,  G01J1/00 ,  G01J3/00

CPC classification number: G01J3/36 ,  H04N17/04 ,  H04N9/28

Abstract: An automatic digital light source adjustment procedure is disclosed wherein a computer calculates a correction factor for each of a plurality of light sources and adjusts the light sources such that each of the light sources meets an optimum performance criteria. In one embodiment, a multicolor cathode ray tube is converged automatically utilizing the present invention by sensing the profiles of the amplitudes of the individual color light intensities versus the same light source position relative to the sensor mechanism for each of the three primary colors, calculating the correction factor and inputting the correction factor to a digital memory, and then providing for the correction factor to be applied to the analog output of the beam control thereafter. Alternative embodiments enhance focus, purity, light line width, color composition, and other performance factors. The sensor, in one embodiment, senses the speed of the relative motion between the light and the sensor, as well as simultaneously sensing the amplitudes of the individual colors.

Abstract translation: 公开了一种自动数字光源调节程序，其中计算机为多个光源中的每个光源计算校正因子，并调整光源，使得每个光源满足最佳性能标准。 在一个实施例中，利用本发明，多色阴极射线管通过感测各个颜色光强度相对于三原色中的每一种相对于传感器机构的相同光源位置的分布的曲线来自动收敛， 校正因子并将校正因子输入到数字存储器，然后提供将要施加到光束控制的模拟输出的校正因子。 替代实施例增强焦点，纯度，光线宽度，颜色组成和其他性能因素。 在一个实施例中，传感器感测光和传感器之间的相对运动的速度，以及同时感测各个颜色的幅度。

公开(公告)号：US4664522A

公开(公告)日：1987-05-12

申请号：US644325

申请日：1984-08-24

Applicant: David A. LeFebre

Inventor： David A. LeFebre

IPC: G01J3/06 ,  G01J3/28 ,  G01M11/00 ,  G01J3/18 ,  G01J3/36

CPC classification number: G01J3/28 ,  G01J2003/062 ,  G01J2003/064 ,  G01J2003/2866

Abstract: System and method for analyzing spectral data from an optical fiber waveguide. Light from the waveguide is directed to a diffraction grating which separates the light into its spectral components and directs these components toward a light responsive detector. The grating is rotated to cause spectral components of different wavelengths to sweep across the detector, and a sensor provides a signal corresponding to the angular position of the grating. A table of calibration data is generated by introducing monochromatic light of known wavelength into the waveguide, positioning the grating to cause the light at two known points in the spectrum of the monochromatic light to impinge upon the detector, and utilizing the wavelength of the monochromatic light and the values of the sensor signal at the two known points to define the relationship between the sensor signal and the detected wavelength for a plurality of grating positions. The calibaration data and the sensor signal are utilized to determine the wavelength of light peaks produced by a sample, and they are also utilized to generate a control signal for positioning the grating very accurately to detect light of a given wavelength. In one disclosed embodiment, two detectors having different spectral responses are employed, and light in different portions of the spectrum is detected by respective ones of the detectors.

Abstract translation: 用于分析来自光纤波导的光谱数据的系统和方法。 来自波导的光被引导到衍射光栅，其将光分离成其光谱分量并将这些分量指向光响应检测器。 旋转光栅以使不同波长的光谱分量扫过检测器，并且传感器提供对应于光栅的角位置的信号。 通过将已知波长的单色光引入到波导中来产生校准数据表，定位光栅以使单色光谱中的两个已知点处的光照射到检测器上，并利用单色光的波长 以及两个已知点处的传感器信号的值，以限定多个光栅位置的传感器信号和检测到的波长之间的关系。 使用校准数据和传感器信号来确定由样品产生的光峰的波长，并且它们还用于产生用于非常精确地定位光栅的控制信号，以检测给定波长的光。 在一个公开的实施例中，采用具有不同光谱响应的两个检测器，并且通过相应的检测器检测光谱的不同部分中的光。

公开(公告)号：US4645342A

公开(公告)日：1987-02-24

申请号：US682897

申请日：1984-12-18

Applicant: Wataru Tanimoto ,  Kouzou Tsunoyama

Inventor： Wataru Tanimoto ,  Kouzou Tsunoyama

IPC: G01N21/63 ,  G01J3/36 ,  G01N21/71

CPC classification number: G01N21/718 ,  G01J3/36

Abstract: When a light emitted during the irradiation by a laser beam onto the surface of steel is spectrally separated and elements contained in the steel are analyzed quantitatively:an infrared pulse laser beam irradiates a sample such that an energy density on the surface of the sample becomes 2.0.times.10.sup.9 W/mm.sup.2 or more, so that a satisfactory emission spectrum can be obtained; a light emitted from the surface of the sample is received through a path held under an atmosphere of inert gas by a light introducing system at a solid angle of 16 degrees or more, and thereafter, caused to form its image at an inlet slit of a spectroscope so that an emission spectrum intensity being low in variations can be obtained for a long period of time; and out of light emitted from the surface of the sample immediately after the irradiation by the laser beam, a firstly emitted light generating white noise is excluded and a subsequently emitted light is quantitatively analyzed, so that the accuracy of analysis can be improved with the influence of the white noise being avoided.

Abstract translation: 当在激光束照射到钢表面时发出的光被光谱分离，并且定量分析钢中包含的元素：红外脉冲激光束照射样品使得样品表面上的能量密度变为2.0 x109 W / mm2以上，能够得到令人满意的发光光谱; 从样品表面发射的光通过光入射系统以16度或更大的立体角被保持在惰性气体气氛下的路径被接收，然后使其在入口狭缝处形成图像 使得在长时间内可以获得变化较小的发射光谱强度; 并且在激光束照射之后立即从样品表面射出的光，排除首先发出的产生白噪声的光，然后定量分析随后发射的光，从而可以提高分析精度 的白噪声被避免。

公开(公告)号：US4634276A

公开(公告)日：1987-01-06

申请号：US620784

申请日：1984-06-14

Applicant: Michael R. Sharpe

Inventor： Michael R. Sharpe

IPC: G01J3/12 ,  G01J3/18 ,  G01J3/36 ,  G02B17/06 ,  G02B5/10

CPC classification number: G01J3/18 ,  G01J3/0208 ,  G02B19/0023 ,  G02B19/0033

Abstract: Configurations of optical systems using two concave mirrors to image an off-axis slit are used advantageously in monochromators or spectrographs in which the coma produced by one mirror is cancelled by that produced by the other mirror. However, such systems produce a curved line image of a straight line slit. This curvature is substantially removed in a two concave mirror optical system in which the off-axis angle and the separation 2L between the mirrors are chosen so that the principal ray OP.sub.1 from the center of the line object to the first mirror and the principal ray P.sub.2 I from the second mirror to the center of the line image are both substantially perpendicular to an axis of symmetry of the optical system which passes through the centers of curvature C.sub.1, C.sub.2 of the two concave mirrors. The image line is then curved in a plane normal to the image plane and appears substantially straight in the image plane.

Abstract translation: 使用两个凹面镜对离轴狭缝进行成像的光学系统的结构有利地用于单色仪或光谱仪，其中由一个反射镜产生的彗形物被另一个反射镜所产生的彗差消除。 然而，这种系统产生直线狭缝的曲线图像。 这种曲率在两个凹面镜光学系统中被基本去除，其中偏离角度和反射镜之间的间隔2L被选择为使得从光线对象的中心到第一镜的主光线OP1和主光线P2I 从第二反射镜到线图像的中心基本上垂直于穿过两个凹面镜的曲率中心C1，C2的光学系统的对称轴。 然后，图像线在垂直于图像平面的平面中弯曲，并且在图像平面中基本上呈直线。

公开(公告)号：US4618776A

公开(公告)日：1986-10-21

申请号：US587500

申请日：1984-03-09

Applicant: Walter Sturm ,  Helmut Becker ,  Jurgen Witt ,  Werner Fritz ,  Ursula Eysholdt

Inventor： Walter Sturm ,  Helmut Becker ,  Jurgen Witt ,  Werner Fritz ,  Ursula Eysholdt

IPC: G01N17/00 ,  G01J3/36

CPC classification number: G01N17/004

Abstract: A light and weather resistance testing apparatus (9) is provided with a sensor (1) located in the plane of the testing samples (14). The sensor (1) uses a transmitter (4) for wireless transmission of signals representing radiation received to an antenna (3) disposed on the wall (8) of the apparatus housing. The sensor (1) has multiple receptor cells (6) for various spectral ranges. The sensor (1) is powered by solar cells (7) located on the sensor housing. A plotter and display unit (13) can be connected to the apparatus for read-out of irradiance and irradiation. The wireless transmission of data from sensors to the display unit permits continuous measurement during rotation of samples and sensor.

Abstract translation: 耐光耐候性测试装置（9）设置有位于测试样品（14）的平面内的传感器（1）。 传感器（1）使用发射器（4）用于无线传输表示接收到设置在设备壳体的壁（8）上的天线（3）的辐射的信号。 传感器（1）具有用于各种光谱范围的多个受体单元（6）。 传感器（1）由位于传感器外壳上的太阳能电池（7）供电。 绘图机和显示单元（13）可以连接到用于读出辐照和照射的设备。 从传感器到显示单元的无线数据传输允许在样品和传感器旋转期间进行连续测量。

公开(公告)号：US4465940A

公开(公告)日：1984-08-14

申请号：US368787

申请日：1982-04-15

Applicant: Herman Graff ,  James D. Joseph

Inventor： Herman Graff ,  James D. Joseph

IPC: G01J3/00 ,  G01J3/28 ,  G01J3/36 ,  H01J40/14 ,  F41G7/00 ,  G01J1/00

CPC classification number: G01J3/36 ,  G01J3/2803

Abstract: An apparatus directed to a signal processing circuit for combining data from several spectral bands to enhance the signal-to-background ratio of a target detection system. Two spectral bands, with separate sensing arrays, receive analog signals which are fed to separate multiplexer units. From the multiplexers, the analog signals are applied to a comparator where they are compared with each other and also separately applied to shift registers where the signals are retained for further processing. If, during comparison, the ratio of the two bands is less than a threshold, there is an absence of cloud return and the signals stored in both shift registers are combined in a final output register. If the ratio of the two bands is more than a threshold, the band having the most cloud return is not used and the shift register containing the greater percentage of target return is processed through the output register.

Abstract translation: 一种针对信号处理电路的装置，用于组合来自若干光谱带的数据，以增强目标检测系统的信号与背景比。 具有单独的感测阵列的两个光谱带接收被馈送到分离的多路复用器单元的模拟信号。 从多路复用器中，模拟信号被施加到比较器，在比较器中它们彼此进行比较，并且还单独地应用于移位寄存器，其中信号被保留用于进一步处理。 如果在比较期间两个频带的比率小于阈值，则不存在云返回，并且存储在两个移位寄存器中的信号被组合在最终的输出寄存器中。 如果两个频带的比例大于阈值，则不使用云返回最多的频带，并且通过输出寄存器处理包含较大百分比的目标返回的移位寄存器。