公开(公告)号：US20050012927A1

公开(公告)日：2005-01-20

申请号：US10887539

申请日：2004-07-08

Applicant: Volker Seyfried ,  Bernd Widzgowski

Inventor： Volker Seyfried ,  Bernd Widzgowski

IPC: G01J3/02 ,  G01J3/36 ,  G01J3/28

CPC classification number: G01J3/36 ,  G01J3/02 ,  G01J3/0208

Abstract: A detection device, in particular for use in a laser scanning microscope, includes a means (2) located in a detection beam path (1) to spectrally split detection light into individual spectral components (3, 4), and further includes a deflection device (5) located downstream of the means (2) for spectral splitting to deflect the individual spectral components (3, 4) in different deflection directions onto detectors (6) assigned to the individual spectral components (3, 4). With a view to reliable separation of the individual spectral components (3, 4) deflected by deflection device (5), the detection device is built and further refined in such a way that at least one optical element (7) is arranged in the detection beam path (1) downstream of the means (2) for spectral splitting and upstream of the deflection device such that at least one spectral component (3, 4) of the light incident on the deflection device (5) is collimated in at least one spatial direction.

Abstract translation: 特别是在激光扫描显微镜中使用的检测装置包括位于检测光束路径（1）中的装置（2），以将检测光谱分解成各个光谱分量（3,4），并且还包括偏转装置 （5）位于所述装置（2）的下游，用于分光，以将在不同偏转方向上的各个光谱分量（3,4）偏转到分配给各个光谱分量（3,4）的检测器（6）上。 为了可靠地分离由偏转装置（5）偏转的各个光谱分量（3,4），检测装置被构建并进一步细化，使得至少一个光学元件（7）被布置在检测中 用于分光和偏转装置上游的装置（2）下游的光束路径（1），使得入射在偏转装置（5）上的光的至少一个光谱分量（3,4）在至少一个 空间方向。

公开(公告)号：US20050002037A1

公开(公告)日：2005-01-06

申请号：US10668644

申请日：2003-09-23

Applicant: Dale Harrison

Inventor： Dale Harrison

IPC: G01J3/28 ,  G01J3/36 ,  G01N21/21 ,  G01N21/33 ,  G01N21/47 ,  G01N21/55

CPC classification number: G01J3/36 ,  G01J3/021 ,  G01J3/0286 ,  G01J3/2803 ,  G01J3/2823 ,  G01N21/211 ,  G01N21/33 ,  G01N21/47 ,  G01N21/55

Abstract: A spectroscopy system is provided which operates in the vacuum ultraviolet spectrum. More particularly, a system utilizing reflectometry techniques in the vacuum ultraviolet spectrum is provided for use in metrology applications. To ensure accurate and repeatable measurement, the environment of the optical path is controlled to limit absorption effects of gases that may be present in the optical path. To account for absorption effects that may still occur, the length of the optical path is minimized. To further account for absorption effects, the reflectance data may be referenced to a relative standard. Referencing is particularly advantageous in the VUV reflectometer due to the low available photon flux and the sensitivity of recorded data to the composition of the gaseous medium contained with the optical path. Thus, errors that may be introduced by changes in the controlled environment may be reduced. In one exemplary embodiment, the VUV reflectometer may utilize a technique in which a beam splitter is utilized to create a sample beam and a reference beam to form the two arms of a near balanced Mach Zehnder interferometer. In another exemplary embodiment, the reference channel may be comprised of a Michelson interferometer.

Abstract translation: 提供在真空紫外光谱中操作的光谱系统。 更具体地，提供了在真空紫外光谱中利用反射测量技术的系统用于计量学应用。 为了确保准确和可重复的测量，控制光路的环境以限制可能存在于光路中的气体的吸收效应。 为了考虑可能仍然发生的吸收效应，光路的长度被最小化。 为了进一步考虑吸收效应，反射率数据可以参考相对标准。 参考在VUV反射计中是特别有利的，这是由于低可用光子通量和记录数据对于包含在光路中的气态介质的组成的灵敏度。 因此，可以减少可能通过控制环境中的变化引入的错误。 在一个示例性实施例中，VUV反射计可以利用其中使用分束器来产生采样光束和参考光束以形成近平衡马赫曾德尔干涉仪的两个臂的技术。 在另一示例性实施例中，参考通道可以由迈克尔逊干涉仪组成。

公开(公告)号：US6075632A

公开(公告)日：2000-06-13

申请号：US979463

申请日：1997-11-26

Applicant: David M. Braun

Inventor： David M. Braun

IPC: H01L31/10 ,  G01J1/02 ,  G01J3/36 ,  G02B5/28 ,  H04B10/02 ,  H04B10/08 ,  H04B10/18 ,  H04B17/00 ,  H04J14/00 ,  H04J14/02

CPC classification number: G01J3/36 ,  H04B10/07953

Abstract: An optical noise monitor measures noise power within narrow wavelength regions between channel signals of a dense wavelength division multiplexed (DWDM) signal. The noise monitor receives the DWDM signal and cascades the signal along a multipoint travel path where the signal is incident on a series of multi-pass filters. Each multi-pass filter selects a narrow, predefined wavelength region between channel signals of the DWDM signal. Noise power within the predefined wavelength region is detected and SNR is monitored by comparing the detected noise power to the power in the channel signal. According to a first preferred embodiment of the present invention, the noise monitor includes multi-pass filters that each have reflective surfaces to guide optical energy within a predefined wavelength region through multiple passes of an optical filter. According to a second preferred embodiment of the present invention, the noise monitor includes multi-pass filters each having a serial arrangement of multiple optical filters.

Abstract translation: 光噪声监测器测量密集波分复用（DWDM）信号的信道信号之间的窄波长区域内的噪声功率。 噪声监测器接收DWDM信号，并沿信号入射到一系列多通滤波器的多点行进路径级联信号。 每个多通道滤波器在DWDM信号的通道信号之间选择窄的预定波长区域。 通过将检测到的噪声功率与通道信号中的功率进行比较来检测预定波长区域内的噪声功率并监测SNR。 根据本发明的第一优选实施例，噪声监测器包括多通滤波器，每个滤波器具有反射表面，以通过光学滤波器的多次通过在预定波长范围内引导光能。 根据本发明的第二优选实施例，噪声监测器包括各自具有多个滤光器的串行布置的多通滤波器。

公开(公告)号：US5748324A

公开(公告)日：1998-05-05

申请号：US502679

申请日：1995-07-14

Applicant: M. Scott Howarth ,  Robin D. Tillett ,  Christine R. Bull

Inventor： M. Scott Howarth ,  Robin D. Tillett ,  Christine R. Bull

IPC: B07C5/342 ,  G01J3/36 ,  G01J3/51 ,  G01J3/46 ,  B07C5/00

CPC classification number: B07C5/3422 ,  G01J3/36 ,  G01J3/51 ,  Y10S209/92 ,  Y10S209/938

Abstract: A method and apparatus are provided for detecting the presence of pit fragments as small as 2 mm.sup.2 in pitted peach halves. Pitted peach halves are agitated into a cup-up position, are conveyed to a position adjacent an inspection zone and are launched airborne into the inspection zone. Each peach half in the inspection zone is illuminated by a pair of quartz halogen lights and the diffusely reflected light is separated into first and second beams. The first and second beams are filtered to extract a first relatively wide wavelength band centered at 600 nm and a second relatively wide wavelength band centered at 750 nm. Preferably, each wavelength band is approximately 70 nm. Each of the wavelength bands enters a separate line scan camera for acquiring image signals from each wavelength band. The signals from both cameras are combined and enhanced to determine the presence or absence of fragments.

Abstract translation: 提供了一种方法和装置，用于检测在一半的凹坑中存在小到2mm 2的坑碎片。 捣碎的桃子一半被搅动到杯状位置，被输送到邻近检查区的位置，并被空运到检查区。 检查区域中的每个桃子一半由一对石英卤素灯照亮，漫反射光分离成第一和第二光束。 对第一和​​第二光束进行滤波以提取以600nm为中心的第一相对宽的波长带和以750nm为中心的第二相对宽的波长带。 优选地，每个波长带约为70nm。 每个波长带进入单独的行扫描相机，用于从每个波长带获取图像信号。 来自两个照相机的信号被组合和增强以确定碎片的存在或不存在。

公开(公告)号：US5708504A

公开(公告)日：1998-01-13

申请号：US736690

申请日：1996-10-25

Applicant: Mark F. Hopkins

Inventor： Mark F. Hopkins

IPC: G01J3/12 ,  G01J3/26 ,  G01J3/28 ,  G01J3/36 ,  G01B9/02

CPC classification number: G01J3/36 ,  G01J3/26 ,  G01J3/2823 ,  G01J2003/1226 ,  G01J3/021

Abstract: An interfering imaging spectrometer is described wherein a single interference filter disposed in preselected angular relationship with one or more mirrors separates an incoming optical signal or field of view into multiple contiguous images separated spatially and spectrally, each image having a unique spectral content.

Abstract translation: 描述了一种干涉成像光谱仪，其中以与一个或多个镜的预选角度关系设置的单个干涉滤光器将入射的光学信号或视场分离为在空间和光谱上分离的多个邻接图像，每个图像具有唯一的光谱内容。

公开(公告)号：US5638173A

公开(公告)日：1997-06-10

申请号：US578651

申请日：1996-01-16

Applicant: Brian J. E. Smith ,  David N. Batchelder ,  Kurt J. Baldwin

Inventor： Brian J. E. Smith ,  David N. Batchelder ,  Kurt J. Baldwin

IPC: G01J3/18 ,  G01J3/28 ,  G01J3/36 ,  G01J3/44

CPC classification number: G01J3/44 ,  G01J3/18 ,  G01J3/28 ,  G01J3/36 ,  G01J3/0202 ,  G01J3/021

Abstract: In a Raman spectrometer having a charge-coupled device (CCD) detector (24), an incoming beam (36) containing a spectrum of Raman scattered light is dispersed by a diffraction grating (44). Different parts of the spectrum are split into separate optical paths (48A-C) by edge filters (38A, 38B) and a mirror (46). These components are tilted at different vertical angles, so that after the beams (48A-C) have been dispersed by the diffraction grating (44), they form partial spectra (50A-C), one above the other on the CCD (24). This enables several consecutive parts of a widely dispersed spectrum to be viewed simultaneously on the CCD (24) at high resolution.

Abstract translation: PCT No.PCT / GB95 / 01190 Sec。 371日期1996年1月16日 102（e）日期1996年1月16日PCT提交1995年5月24日PCT公布。 公开号WO95 / 32408 日期：1995年11月30日在具有电荷耦合器件（CCD）检测器（24）的拉曼光谱仪中，包含拉曼散射光谱的入射束（36）通过衍射光栅（44）分散。 频谱的不同部分被边缘滤波器（38A，38B）和反射镜（46）分离成单独的光路（48A-C）。 这些部件以不同的垂直角度倾斜，使得在光束（48A-C）已经被衍射光栅（44）分散之后，它们在CCD（24）上形成分光谱（50A-C） 。 这使得能够以高分辨率在CCD（24）上同时观察到广泛分散的光谱的几个连续部分。

公开(公告)号：US5528362A

公开(公告)日：1996-06-18

申请号：US53360

申请日：1993-04-28

Applicant: Kikuo Sasaki ,  Tomohiro Nakano

Inventor： Kikuo Sasaki ,  Tomohiro Nakano

IPC: G01N21/01 ,  G01N21/31 ,  H01J61/04 ,  H01J61/09 ,  G01J3/36

CPC classification number: H01J61/04 ,  G01N21/3103 ,  H01J61/09

Abstract: A lighting circuit part (26) is provided for lighting a hollow cathode lamp (1), to feed a large lighting current (I1) intermittently and periodically across an anode and a cathode by a control signal from a control part (22) while feeding a boost current (Ib) across a boost electrode and the anode in a part of a period when the lighting current (I1) flows across the anode and the cathode. Absorbance including both of atomic absorption of a sample and background absorption is detected with light emitted when the large current (I1) is fed across the anode and the cathode with feeding of the boost current (Ib) while absorbance by background absorption of the sample is detected with light emitted when the large current (I1) is fed across the anode and the cathode with no feeding of the boost current (Ib) so that difference between these absorbance levels is obtained to obtain true atomic absorption corrected as to background absorption. Thus, measurement is made in a high S-N ratio with background correction.

Abstract translation: 提供照明电路部分（26），用于照明空心阴极灯（1），通过来自控制部分（22）的控制信号在阳极和阴极周期性地间歇地周期性地馈送大的点亮电流（I1），同时馈电 在点亮电流（I1）流过阳极和阴极的一段时间内，升压电极和阳极之间的升压电流（Ib）。 当通过馈送升压电流（Ib）而在阳极和阴极馈送大电流（I1）时，发射的光包括样品的原子吸收和背景吸收的吸收，而样品的背景吸收的吸光度为 当没有馈电升压电流（Ib）的情况下在大电流（I1）被馈送到阳极和阴极时发射的光被检测，使得获得这些吸光度水平之间的差异以获得关于背景吸收校正的真实原子吸收。 因此，通过背景校正以高S-N比进行测量。

公开(公告)号：US5444236A

公开(公告)日：1995-08-22

申请号：US208640

申请日：1994-03-09

Applicant: David Ludington ,  John Merchant

Inventor： David Ludington ,  John Merchant

IPC: G01J3/28 ,  G01J3/36 ,  G01J3/427 ,  G01J5/08 ,  G01J5/60 ,  G02B7/00 ,  H01J40/14

CPC classification number: G01J3/427 ,  G01J3/2823 ,  G01J3/36 ,  G01J5/08 ,  G01J5/0806 ,  G01J5/0862 ,  G01J5/602 ,  G02B27/46

Abstract: A two color radiation detector. A dispersive lens with a spectrally selective central obscuration focuses a first radiation band on a central location on focal plane array. The dispersive lens also focuses an annulus of out of focus radiation of a second radiation band concentric with the central location on the focal plane array. For point target detection the dispersive lens transmits plume band and guard band radiation to the staring focal plane array sensor. The staring focal plane array is located at the focal point of the plume band radiation. A spatial filter detects target signatures using information from the plume band and guard band radiation.

Abstract translation: 双色辐射探测器。 具有光谱选择性中心遮蔽的色散透镜将第一辐射带聚焦在焦平面阵列上的中心位置。 分散透镜还聚焦与焦平面阵列上的中心位置同心的第二辐射带的焦距外辐射环。 对于点目标检测，色散透镜将羽流带和保护带辐射传输到凝视焦平面阵列传感器。 凝视焦平面阵列位于羽流带辐射的焦点处。 空间滤波器使用来自羽流带和保护带辐射的信息来检测目标特征。

公开(公告)号：US5442439A

公开(公告)日：1995-08-15

申请号：US50862

申请日：1993-04-21

Applicant: David E. Battey ,  Harry Owen ,  James M. Tedesco

Inventor： David E. Battey ,  Harry Owen ,  James M. Tedesco

IPC: G01J3/36 ,  G01J3/02 ,  G01J3/18 ,  G01J3/28 ,  G02B6/34

CPC classification number: G01J3/36 ,  G01J3/02 ,  G01J3/0256 ,  G01J3/0262 ,  G01J3/1838 ,  G01J3/2803

Abstract: An optical spectrograph utilizes a plurality of holographic transmission optical gratings operative to receive an incoming source of light to be analyzed and diffract the light such that different spectral components impinge upon spatially separated regions of an opto-electronic detector. Various grating configurations are disclosed, including a physical stack of gratings conducive to extreme compactness, as well as a spaced-apart configuration used to preclude spectral cross talk in certain configurations. Diverging light emerging from a fiber-optic bundle is collimated by a first lens assembly prior to passing through the gratings, and a second lens assembly is used to focus the diffracted light onto the detectors, preferably in the form of a two-dimensional CCD array.

Abstract translation: 光学光谱仪利用多个全息透射光栅，其操作以接收待分析的光的入射光并衍射光，使得不同的光谱分量撞击光电检测器的空间分离的区域。 公开了各种光栅配置，包括有助于极其紧凑的光栅的物理叠层，以及用于在某些配置中排除光谱串扰的间隔配置。 在通过光栅之前，通过第一透镜组件准直从光纤束出射的发散光，并且使用第二透镜组件将衍射光聚焦到检测器上，优选地以二维CCD阵列的形式 。

公开(公告)号：US5412468A

公开(公告)日：1995-05-02

申请号：US28515

申请日：1993-03-09

Applicant: Peter L. Lundberg ,  Michael I. Crockett ,  David H. Tracy

Inventor： Peter L. Lundberg ,  Michael I. Crockett ,  David H. Tracy

IPC: G01J3/28 ,  G01J3/36 ,  G01J3/32

CPC classification number: G01J3/2803 ,  G01J3/027

Abstract: Spectral bands are grouped for data acquisition in a spectrophotometer with a charge-coupled detector having a plurality of pixels. Preliminary data is generated on time-integrated radiation to the pixels for a sample. Maximum permitted exposure times for the pixels are calculated from the data and a predetermined maximum exposure. The maximum times are grouped so that for each group the ratio of the highest to the lowest maximum times is less than 100. A group run time is established for each group nominally less than the lowest maximum time in the group. Subgroups are created and ordered so that accumulated readout times for the pixels are less than wait times established to prevent readout contamination from subsequent charge buildup. The spectrophotometer is further operated on the sample for the run time of each group and subgroup to generate spectral data.

Abstract translation: 光谱带被分组用于在具有多个像素的电荷耦合检测器的分光光度计中进行数据采集。 将时间积分辐射产生初步数据给样本的像素。 从数据和预定的最大曝光计算像素的最大允许曝光时间。 最大时间被分组，使得对于每个组，最高到最低最大时间的比率小于100.对于组中名义上小于组中最低最大时间的组，建立组运行时间。 子组被创建和排序，使得像素的累积读出时间小于建立的等待时间，以防止后续电荷累积的读出污染。 分光光度计进一步在样品上运行，用于每组和亚组的运行时间，以产生光谱数据。