公开(公告)号：US07248755B2

公开(公告)日：2007-07-24

申请号：US10543288

申请日：2004-03-31

Applicant: Andrew D Sappey ,  James Howell ,  Henrick Hofvander ,  Bernard Patrick Masterson

Inventor： Andrew D Sappey ,  James Howell ,  Henrick Hofvander ,  Bernard Patrick Masterson

IPC: G02B6/00

CPC classification number: G01J3/36 ,  G01J3/02 ,  G01J3/0202 ,  G01J3/0208 ,  G01J3/0218 ,  G01J3/0237 ,  G01J3/024 ,  G01J3/0289 ,  G01J3/0297 ,  G01J3/108 ,  G01J3/1809 ,  G01J5/601 ,  G01J2003/104 ,  G01J2003/423 ,  G01N21/359 ,  G01N21/39 ,  G01N2021/399 ,  G02B6/14

Abstract: A sensing apparatus consisting of more than one diode laser having select lasing frequencies, a multiplexer optically coupled to the outputs of the diode lasers with the multiplexer being further optically coupled to a pitch side optical fiber. Multiplexed laser light is transmitted through the pitch side optical fiber to a pitch optic operatively associated with a process chamber which may be a combustion chamber or the boiler of a coal or gas fired power plant. The pitch optic is oriented to project multiplexed laser output through the process chamber. Also operatively oriented with the process chamber is a catch optic in optical communication with the pitch optic to receive the multiplexed laser output projected through the process chamber. The catch optic is optically coupled to an optical fiber which transmits the multiplexed laser output to a demultiplexer. The demultiplexer demultiplexes the laser light and optically couples the select lasing frequencies of light to a detector with the detector being sensitive to one of the select lasing frequencies.

Abstract translation: 由多于一个具有选择的激光频率的二极管激光器组成的感测装置，多路复用器光学耦合到二极管激光器的输出端，多路复用器进一步光耦合到俯仰侧光纤。 多路复用激光通过俯仰侧光纤传输到与可以是燃烧室或煤或燃气发电厂的锅炉的处理室可操作地连接的俯仰光学器件。 俯仰光学器件定向成投影通过处理室的多路复用激光输出。 还与操作室一起操作地定向的是与俯仰光学器件光学通信的接收光学器件，以接收通过处理室投射的多路复用的激光输出。 捕捉光学器件光耦合到将多路复用的激光输出传输到解复用器的光纤。 解复用器解复用激光并将选择的激光频率光耦合到检测器，检测器对选择的激光频率之一敏感。

公开(公告)号：US20060279731A1

公开(公告)日：2006-12-14

申请号：US11451690

申请日：2006-06-13

Applicant: Eckhard Beyer ,  Jorg Hoschele ,  Steffen Nowotny ,  Alexander Ohnesorge ,  Jurgen Steinwandel

Inventor： Eckhard Beyer ,  Jorg Hoschele ,  Steffen Nowotny ,  Alexander Ohnesorge ,  Jurgen Steinwandel

IPC: G01J3/30 ,  G01J3/28

CPC classification number: G01J3/443 ,  G01J3/1809 ,  G01J3/457 ,  G01N21/718

Abstract: In material depositing processes such as welding or thermal spraying the large variety of processes and material parameters necessitate a broad range of the resulting characteristics of the applied material. The task of the present invention is comprised of providing a process and a device for determining the quality of specific layer characteristics, in particular their adhesion or strength of joining to the base material. This task is solved thereby, that as the quality characteristic there is employed the degree of mixing of the applied material with the base material.

Abstract translation: 在诸如焊接或热喷涂的材料沉积过程中，各种各样的工艺和材料参数需要施加材料的所得特征的广泛范围。 本发明的任务包括提供用于确定特定层特性的质量的方法和装置，特别是其与基材的接合或强度。 因此解决了这个任务，因为质量特性使用了应用材料与基材的混合程度。

公开(公告)号：US20060164639A1

公开(公告)日：2006-07-27

申请号：US11333134

申请日：2006-01-17

Applicant: Jochen Horn ,  Keith O'Hara

Inventor： Jochen Horn ,  Keith O'Hara

IPC: G01J3/28

CPC classification number: G01J3/14 ,  G01J3/02 ,  G01J3/0208 ,  G01J3/0224 ,  G01J3/0256 ,  G01J3/18 ,  G01J3/1809 ,  G01J3/2803 ,  G01N21/4795

Abstract: A spectral-domain optical coherence tomography system using a cross-dispersed spectrometer is disclosed. The interfered optical signal is dispersed by a grating into several orders of diffraction, and these orders of diffraction are separated by an additional dispersive optical element. The spectral interferogram is recorded by a set of linear detector arrays, or by a two-dimensional detector array.

Abstract translation: 公开了使用交叉分散光谱仪的光谱域光学相干断层摄影系统。 干涉光信号被光栅分散成几个衍射级，这些衍射级由一个附加的色散光学元件分开。 光谱干涉图由一组线性检测器阵列或二维检测器阵列记录。

公开(公告)号：US20040085535A1

公开(公告)日：2004-05-06

申请号：US09958448

申请日：2001-10-05

Inventor： Michael R. Hammer ,  Martin K. Masters ,  Stewart R. Campbell ,  Peter G. Layton

IPC: G01J003/28

CPC classification number: G01J5/62 ,  G01J3/02 ,  G01J3/0213 ,  G01J3/0227 ,  G01J3/0229 ,  G01J3/0232 ,  G01J3/1809 ,  G01J3/2803 ,  G01J2003/1828 ,  G01N21/27 ,  G01N21/31

Abstract: Spectroscopy apparatus for spectrochemical analysis of a sample having an excitation source (60) for providing spectral light (62) of the sample for analysis. The spectral light (62) is analysed via an optical system (66-66-68) that includes a polychromator (70, 74-80) and solid state multielement array detector (82). The elements (i.e. pixels) of the detector (82) are serially read by means (84) to provide light intensity measurements as a function of wavelength. A problem is that the elements (pixels) of the detector (82) continue to accumulate charge during the serial read-out. This is avoided by providing an optical shutter (72) for blocking the spectral light (62) whilst elements (pixels) of the detector (82) are being serially read. Shutter (72) has a piezoelectric actuator which is preferably a bimorph mounted as a cantilever. It is preferably located adjacent to the entrance aperture (70) of the polychromator. Bimorph structures for the actuator and drive and protective circuit arrangements are also disclosed.

Abstract translation: 具有用于提供用于分析的样品的光谱光（62）的激发源（60）的样品的光谱分析用光谱仪。 通过包括多色分光器（70,74-80）和固态多元件阵列检测器（82）的光学系统（66-66-68）分析光谱光（62）。 通过装置（84）串行读取检测器（82）的元件（即，像素），以提供作为波长的函数的光强度测量。 问题在于，在串行读出期间，检测器（82）的元件（像素）继续积累电荷。 这是通过提供用于阻挡分光光（62）的光学快门（72）而避免的，同时检测器（82）的元件（像素）被串行读取。 快门（72）具有压电致动器，其优选地是作为悬臂安装的双压电晶片。 它优选地位于多色调色板的入口孔（70）附近。 还公开了用于致动器和驱动器和保护电路装置的双压电晶片结构。

公开(公告)号：US06603549B2

公开(公告)日：2003-08-05

申请号：US09931726

申请日：2001-08-16

Applicant: Steven F. Haas ,  Richard L. Sandstrom ,  Thomas Hofmann ,  Alexander I. Ershov

Inventor： Steven F. Haas ,  Richard L. Sandstrom ,  Thomas Hofmann ,  Alexander I. Ershov

IPC: G01J318

CPC classification number: G01J3/26 ,  G01J1/4257 ,  G01J3/02 ,  G01J3/027 ,  G01J3/12 ,  G01J3/1809 ,  G01J3/22 ,  G01J3/28 ,  G01J9/02

Abstract: A simple, reliable, easy to use method for calculating bandwidth data of very narrow band laser beams based on bandwidth data obtained with a spectrometer in circumstances where the laser bandwidths are not large compared to the slit function of the spectrometer. The slit function of the spectrometer is determined. Spectral data of the laser beam is measured with the spectrometer to produce a measured laser beam spectrum which represents a convolution of the laser beam spectrum and the spectrometer slit function. This measured laser spectrum is then mathematically convolved with the slit function of the spectrometer to produce a doubly convolved spectrum. Bandwidth values representing true laser bandwidths are determined from measured laser spectrum and the doubly convolved spectrum. Preferably the true laser bandwidths are calculated by determining the difference between “twice a measured laser bandwidth” and a corresponding “doubly convolved bandwidth”. This method provides an excellent estimate of the true laser bandwidth because “twice the measured laser bandwidth” represents two laser bandwidths and two spectrometer slit function bandwidths and the “doubly convolved bandwidth” represents one laser bandwidth and two spectrometer slit function bandwidths. Thus, the difference is a representation of the true laser bandwidth. In a preferred embodiment the bandwidth parameters measured are the full width half-maximum bandwidth and the 95% integral bandwidth.

公开(公告)号：US06583874B1

公开(公告)日：2003-06-24

申请号：US09680932

申请日：2000-10-10

Applicant: Toru Suzuki ,  Osamu Wakabayashi

Inventor： Toru Suzuki ,  Osamu Wakabayashi

IPC: G01J328

CPC classification number: G01J3/1809 ,  G01J3/14 ,  G01J3/1838

Abstract: A spectrometer has higher resolving power without enlarging a size of the apparatus. This spectrometer has a slit board, a mirror, a collimator lens, a holographic grating, an Echelle grating, a magnifier lens and a line sensor. The holographic grating is arranged to diffract parallel light incident from the collimator lens toward the Echelle grating. The Echelle grating is arranged to reflect the parallel light incident from the holographic grating toward the holographic grating.

Abstract translation: 光谱仪具有更高的分辨能力，而不增加设备的尺寸。 该光谱仪具有狭缝板，反射镜，准直透镜，全息光栅，Echelle光栅，放大镜和行传感器。 全息光栅布置成将从准直透镜入射的平行光衍射到Echelle光栅。 Echelle光栅布置成将从全息光栅入射的平行光反射到全息光栅。

公开(公告)号：US20020122176A1

公开(公告)日：2002-09-05

申请号：US09931726

申请日：2001-08-16

Inventor： Steven F. Haas ,  Richard L. Sandstrom ,  Thomas Hofmann ,  Alexander I. Ershov

IPC: G01J003/02

CPC classification number: G01J3/26 ,  G01J1/4257 ,  G01J3/02 ,  G01J3/027 ,  G01J3/12 ,  G01J3/1809 ,  G01J3/22 ,  G01J3/28 ,  G01J9/02

Abstract: A simple, reliable, easy to use method for calculating bandwidth data of very narrow band laser beams based on bandwidth data obtained with a spectrometer in circumstances where the laser bandwidths are not large compared to the slit function of the spectrometer. The slit function of the spectrometer is determined. Spectral data of the laser beam is measured with the spectrometer to produce a measured laser beam spectrum which represents a convolution of the laser beam spectrum and the spectrometer slit function. This measured laser spectrum is then mathematically convolved with the slit function of the spectrometer to produce a doubly convolved spectrum. Bandwidth values representing true laser bandwidths are determined from measured laser spectrum and the doubly convolved spectrum. Preferably the true laser bandwidths are calculated by determining the difference between nulltwice a measured laser bandwidthnull and a corresponding nulldoubly convolved bandwidthnull. This method provides an excellent estimate of the true laser bandwidth because nulltwice the measured laser bandwidthnull represents two laser bandwidths and two spectrometer slit function bandwidths and the nulldoubly convolved bandwidthnull represents one laser bandwidth and two spectrometer slit function bandwidths. Thus, the difference is a representation of the true laser bandwidth. In a preferred embodiment the bandwidth parameters measured are the full width half-maximum bandwidth and the 95% integral bandwidth.

Abstract translation: 基于在与光谱仪的狭缝功能相比激光带宽不大的情况下，利用光谱仪获得的带宽数据，计算非常窄带激光束的带宽数据的简单，可靠，易于使用的方法。 确定光谱仪的狭缝功能。 使用光谱仪测量激光束的光谱数据，以产生测量的激光束光谱，其表示激光束光谱和光谱仪狭缝功能的卷积。 然后将该测量的激光光谱与光谱仪的狭缝函数进行数学卷积以产生双卷积光谱。 表示真实激光带宽的带宽值由测量的激光光谱和双卷积光谱确定。 优选地，通过确定“两次测量的激光器带宽”和相应的“双卷积带宽”之间的差异来计算真实的激光器带宽。 该方法提供了真正的激光器带宽的极好估计，因为“两倍测量激光带宽”代表两个激光带宽和两个光谱仪狭缝功能带宽，“双卷积带宽”代表一个激光带宽和两个光谱仪狭缝功能带宽。 因此，不同之处在于真正的激光带宽的表示。 在优选实施例中，测量的带宽参数是全宽度半最大带宽和95％积分带宽。

公开(公告)号：US5495332A

公开(公告)日：1996-02-27

申请号：US298504

申请日：1994-08-30

Applicant: Ivan B. Steiner

Inventor： Ivan B. Steiner

IPC: G01J3/18 ,  G01J3/36

CPC classification number: G01J3/1809 ,  G01J3/36

Abstract: An arrangement for sensing the wavelength shift of light from a polychromatic light source features a tilted concave holographic reflection grating that diffracts light from the light source and disperses the light across the focal plane of the arrangement. A pair of matched detectors disposed behind the focal plane senses the light transmitted by a variable neutral density filter at the focal plane. The difference in output signal electrical currents generated by the detectors is a measurement of the shift in polychromatic wavelength distribution.

Abstract translation: 用于感测来自多色光源的光的波长偏移的装置具有倾斜的凹面全息反射光栅，其衍射来自光源的光并将光分散在布置的焦平面上。 设置在焦平面后面的一对匹配检测器在焦平面处感测由可变中性密度滤光器透射的光。 由检测器产生的输出信号电流的差异是多色波长分布中的偏移的测量。

公开(公告)号：US5285255A

公开(公告)日：1994-02-08

申请号：US538118

申请日：1990-06-14

Applicant: Andre Baranne ,  Francis Pilloud

Inventor： Andre Baranne ,  Francis Pilloud

IPC: G01J3/12 ,  G01J3/18 ,  G01J3/28 ,  G01N21/00

CPC classification number: G01J3/02 ,  G01J3/0208 ,  G01J3/0229 ,  G01J3/1809 ,  G01J2003/1278 ,  G01J2003/1814 ,  G01J3/1804

Abstract: An optical device for the spectral analysis of a light source which comprises a spectrograph assembly including a dispersive element, and a classical collimator. The spectrograph assembly supplies a complete intermediate spectrum at the object focus of the classical collimator and the classical collimator reforms, at its image focus, an image of the dispersive element. The spectrograph assembly is preferably a Czerny-Turner or other type of spectrograph comprising an entry slit, two juxtaposed concave mirrors of the same focal length and a dispersive element placed strictly in the common focal plane of the two mirrors. Most preferably, the classical collimator is the first mirror of the second, similar spectrograph assembly. The device is most advantageous in that it is readily useable for both simultaneous and sequential spectroscopy.

Abstract translation: 一种用于光源的光谱分析的光学装置，其包括包括色散元件的光谱仪组件和经典准直器。 光谱仪组件在经典准直器的物体焦点和经典准直器改造的基础上提供了完整的中间光谱，其图像焦点是色散元素的图像。 光谱仪组件优选地是Czerny-Turner或其他类型的光谱仪，其包括入口狭缝，相同焦距的两个并置的凹面镜和严格地放置在两个反射镜的公共焦平面中的色散元件。 最优选地，经典准直器是第二类似的光谱仪组件的第一镜。 该装置是最有利的，因为它容易用于同时和顺序光谱学。

公开(公告)号：US5088823A

公开(公告)日：1992-02-18

申请号：US414700

申请日：1989-09-29

Applicant: Stanley B. Smith, Jr. ,  Robert G. Schleicher

Inventor： Stanley B. Smith, Jr. ,  Robert G. Schleicher

IPC: G01J3/02 ,  G01J3/04 ,  G01J3/12 ,  G01J3/18 ,  G01J3/28 ,  G01J3/40 ,  G01N21/73

CPC classification number: G01J3/02 ,  G01J3/0208 ,  G01J3/0229 ,  G01J3/0232 ,  G01J3/0262 ,  G01J3/1809 ,  G01J3/2803 ,  G01J2003/1208 ,  G01J3/04 ,  G01J3/2823 ,  G01J3/40 ,  G01N21/73

Abstract: A spectroanalytical system includes entrance aperture defining structure for receiving radiation to be analyzed along a first path; collimating structure in the first path for providing collimated radiation along a second path; fixed refraction structure in the second path for spatially separating (refracting) radiation in the second path in a first direction as a function of wavelength; fixed echelle grating structure in the second path for spatially separating the refracted radiation as a function of wavelength in a second direction orthogonal to the first direction and directing the orthogonally dispersed radiation in a beam along a third path that does not pass through the first refraction structure; and two-dimensional array detector structure for detecting the beam of orthogonally refracted radiation.

Abstract translation: 光谱分析系统包括用于沿着第一路径接收要分析的辐射的入口孔限定结构; 用于沿第二路径提供准直辐射的第一路径中的准直结构; 在第二路径中的固定折射结构，用于沿第一方向在第二路径中空间分离（折射）辐射作为波长的函数; 在第二路径中固定的梯形光栅结构，用于在与第一方向正交的第二方向上将波长的函数空间上分离折射辐射，并将沿着不穿过第一折射结构的第三路径的正交分散的辐射引导到光束中 ; 以及用于检测正交折射辐射束的二维阵列检测器结构。