公开(公告)号：US20010030745A1

公开(公告)日：2001-10-18

申请号：US09753673

申请日：2001-01-04

Applicant: EXFO Electro-Optical Engineering Inc.

Inventor： Gang He ,  Daniel Gariepy ,  Gregory Walter Schinn

IPC: G01J003/28

CPC classification number: G01J3/447 ,  G01J3/12

Abstract: An optical spectrum analyzer comprises a diffraction grating (DG), a polarization decomposing unit (PDM) for decomposing the input light beam into first and second light beams having mutually-perpendicular linear states of polarization, and two output ports (FP2/1, FP2/2) each for receiving from the grating, substantially exclusively, a respective one of the polarized light beams (LT, LR) after diffraction by the diffraction grating (DG). Each of the linearly-polarized light beams is directed onto the diffraction grating with its linear state of polarization at any prescribed angle to a corresponding plane of diffraction of the diffraction grating The arrangement is such that the state of polarization of the light beams, at any particular wavelength within an operating band of the analyzer remains substantially unchanged with respect to time, The analyzer also may have a reflector (RAM) for reflecting the light beams leaving the diffraction grating after diffraction a first time so as to return them to the diffraction grating for diffraction a second time.

Abstract translation: 光谱分析仪包括衍射光栅（DG），用于将输入光束分解成具有相互垂直的极化状态的第一和第二光束的偏振分解单元（PDM）和两个输出端口（FP2 / 1，FP2 / 2），每个用于在衍射光栅（DG）衍射之后从光栅接收基本上仅相应的一个偏振光束（LT，LR）。 每个线性偏振光束以与其衍射光栅的相应衍射平面成任意规定角度的线性极化状态被引导到衍射光栅上。这种布置使得光束的偏振状态 分析仪的工作频带内的特定波长相对于时间保持基本不变。分析仪还可以具有用于在衍射之后第一次反射离开衍射光栅的光束的反射器（RAM），以便将它们返回到衍射光栅 用于衍射第二次。

公开(公告)号：US20040239930A1

公开(公告)日：2004-12-02

申请号：US10482779

申请日：2004-07-26

Inventor： Shirou Sakai

IPC: G01J003/28

CPC classification number: G01J3/06 ,  G01J3/02 ,  G01J3/0218 ,  G01J3/0221 ,  G01J3/0235 ,  G01J3/0237 ,  G01J3/024 ,  G01J3/0264 ,  G01J3/0291 ,  G01J3/18 ,  G01J3/2803 ,  G01J3/36 ,  G01N21/645 ,  G01N2021/6417 ,  G01N2021/6421 ,  G01N2021/6423

Abstract: A spectroscopic system according to the present invention 10 comprises: an optical fiber bundle 12 whose emitting end 12a is arranged in a vertical direction; a slit 16 which is arranged so as to oppose the emitting end 12a of the optical fiber bundle 12; spectroscopic element arrangement means 20 which can switchably arrange either a first diffraction grating 23 in which grooves extending along the vertical direction are arranged in a horizontal direction at a predetermined groove density, or a second diffraction grating 24 in which grooves extending along the vertical direction are arranged in the horizontal direction at a groove density larger than that of the first diffraction grating 23, on an optical path of light which is emitted from the emitting end 12a of the optical fiber bundle 12 and passes through the slit 16; and a photomultiplier tube 30 in which a plurality of anodes 53 extending along the vertical direction are arranged in the horizontal direction.

Abstract translation: 根据本发明的光谱系统10包括：发光端12a沿垂直方向布置的光纤束12; 与光纤束12的发射端12a相对配置的狭缝16; 分光元件布置装置20，其可切换地布置沿着垂直方向延伸的凹槽的第一衍射光栅23以预定凹槽密度沿水平方向布置;或第二衍射光栅24，其中沿着垂直方向延伸的凹槽是 在从光纤束12的发射端12a发射并穿过狭缝16的光的光路上沿水平方向排列的沟槽密度大于第一衍射光栅23的沟槽密度; 以及沿着垂直方向延伸的多个阳极53在水平方向上布置的光电倍增管30。

公开(公告)号：US20040218177A1

公开(公告)日：2004-11-04

申请号：US10854828

申请日：2004-05-25

Inventor： Nicholas B. MacKinnon ,  Calum E. MacAulay ,  Ulrich Stange

IPC: G01J003/28

CPC classification number: H05B37/029 ,  A61N5/0616 ,  A61N5/062 ,  F21S10/02 ,  F21W2131/406 ,  G02B26/0841 ,  H05B37/02 ,  H05B41/3922

Abstract: Lighting systems comprising a spectrum former upstream from a reflective pixelated spatial light modulator (reflective SLM), the SLM reflecting substantially all of the light in the spectrum into at least two different light paths, that do not reflect back to the light source or the spectrum former. At least one of the light paths acts as a projection light path and transmits desired light out of the lighting system. The lighting systems provide virtually any desired color(s) and intensity(s) of light, and avoid overheating problems by deflecting unwanted light and other electromagnetic radiation out of the system or to a heat management system. The systems can be part of another system, a luminaire, or any other suitable light source. The systems can provide virtually any desired light, from the light seen at the break of morning to specialized light for treating cancer or psoriasis, and may change color and intensity at speeds that are perceptually instantaneous.

Abstract translation: 包括在反射像素空间光调制器（反射SLM）上游的光谱发生器的照明系统，SLM基本上将光谱中的所有光反射到至少两个不同的光路，其不反射回光源或光谱 前任的。 光路中的至少一个用作投影光路，并将期望的光发射出照明系统。 照明系统实际上提供任何所需的颜色和光强度，并且通过将不需要的光和其它电磁辐射偏离系统或热管理系统来避免过热问题。 这些系统可以是另一个系统，照明设备或任何其他合适的光源的一部分。 这些系统可以提供几乎任何所需的光，从早晨的休息时间看到的光到用于治疗癌症或牛皮癣的专用光，并且可以以感觉上即时的速度改变颜色和强度。

公开(公告)号：US20040169857A1

公开(公告)日：2004-09-02

申请号：US10723353

申请日：2003-11-25

Inventor： George M. Acosta ,  Kevin H. Hazen ,  N. Alan Abul-Haj ,  Stephen L. Monfre ,  Thomas B. Blank

IPC: G01J003/28 ,  G01J001/10

CPC classification number: G01N21/278 ,  G01N21/4738 ,  G01N21/4785 ,  G01N21/49 ,  G01N2021/4735

Abstract: A ceramic reference in conjunction with a spectrometer, a metallized ceramic material, and a method of utilizing a ceramic material as a reference in the ultraviolet, visible, near-infrared, or infrared spectral regions are presented. The preferred embodiments utilize a ceramic reference material to diffusely reflect incident source light toward a detector element for quantification in a reproducible fashion. Alternative embodiments metallize either the incident surface or back surface of to form a surface diffuse reflectance standard. Optional wavelength reference layers or protective layers may be added to the ceramic or to the metallized layer. The reference ceramic is used to provide a measure of optical signal of an analyzer as a function of the analyzers spatial, temporal, and environmental state.

Abstract translation: 介绍了陶瓷参考文献，结合光谱仪，金属化陶瓷材料以及在紫外线，可见光，近红外或红外光谱区域中利用陶瓷材料作为参考的方法。 优选实施例利用陶瓷参考材料将入射光源漫反射到检测器元件，以便以可再现的方式进行定量。 替代实施例将入射表面或后表面金属化以形成表面漫反射标准。 可选的波长参考层或保护层可以添加到陶瓷或金属化层。 参考陶瓷用于根据分析仪的空间，时间和环境状态提供分析仪的光信号测量。

公开(公告)号：US20040145737A1

公开(公告)日：2004-07-29

申请号：US10352828

申请日：2003-01-28

Applicant: Honeywell International Inc.

Inventor： G. Benjamin Hocker

IPC: G01J003/28

CPC classification number: G01N29/2425 ,  G01J3/28 ,  G01J3/457 ,  G01N21/1702 ,  G01N2021/1725 ,  G01N2201/0635 ,  G01N2201/0691

Abstract: A programmable substance detector includes a light source, a sample cell, a programmable diffraction grating positioned to receive light from the light source and to direct diffracted light to the sample cell, and a detector associated with the cell to detect a match between a characteristic of the diffracted light and a corresponding characteristic of a substance within the cell.

Abstract translation: 可编程物质检测器包括光源，样品池，定位成接收来自光源的光并将衍射光引导到样品池的可编程衍射光栅，以及与该电池相关联的检测器，用于检测 衍射光和细胞内物质的相应特征。

公开(公告)号：US20040130713A1

公开(公告)日：2004-07-08

申请号：US10275954

申请日：2002-12-17

Inventor： Eon O'Mongain

IPC: G01J003/28 ,  G01J003/00

CPC classification number: G01N33/18 ,  G01N21/31 ,  G01N33/1826 ,  G01N2021/1793

Abstract: A spectrographic analysis method which is photometric and non-contact for determining the presence of a chosen constituent in water is provided based on the fact that the inverse of reflectance is a measure of absorption. A full spectrum measurement of the reflectance of the water is made and an absorption spectrum calculated which is then fitted to a clear spectrum in a wavelength range where the water absorption dominates so as to have scaling and offset. Then the clear water spectrum is subtracted and a matching is repeated for the spectrum of the desired constituent and thus a measure of the concentration of the constituent in the water is obtained.

Abstract translation: 基于反射率的倒数是吸收的量度的事实，提供用于测定水中所选组分的存在的光度和非接触性的光谱分析方法。 对水的反射率进行全谱测量，并计算吸收光谱，然后将其吸收在吸收占主导地位的波长范围内的清晰光谱上，以便具有缩放和偏移。 然后减去透明水谱，并对所需组分的光谱重复匹配，因此获得水中成分浓度的量度。

公开(公告)号：US20040114139A1

公开(公告)日：2004-06-17

申请号：US10416566

申请日：2003-10-03

Inventor： Stefan Florek ,  Michael Okruss ,  Helmut Becker-Ross

IPC: G01J003/28

CPC classification number: G01J3/2803 ,  G01J3/02 ,  G01J3/0202 ,  G01J3/06 ,  G01J3/1809 ,  G01J3/28 ,  G01J2003/2866

Abstract: A method for the wavelength calibration of echelle spectra, in which the wavelengths are distributed across number of orders is characterised by the steps: recording of a line-rich reference spectrum with known wavelengths for a number of the lines, determination of the position of a number of peaks of the reference spectrum in the recorded spectrum, selection of at least two first lines of known order, position and wavelength, determination of a wavelength scale for the order in which the known lines lie, by means of a fit function nullm(x), determination of a provisional wavelength scale nullnullm 1(x) for at least one neighbouring order m 1, by means of addition/subtraction of a wavelength difference nullFSR which corresponds to a free spectral region, according to nullm 1 null(x)null0nullm(x)nullFSR with nullFSRnullnullm(x)/m, determination of the wavelengths of lines in said neighbouring order m 1, by means of the provisional wavelength scale null 1(x), replacement of the provisional wavelength of at least two lines by the reference wavelength for said lines as obtained in step (a) and repeat of steps (d) to (g) for at least one further neighbouring order.

Abstract translation: 用于波长校准的方案，其中波长分布在多个阶数上，其特征在于以下步骤：对多条线记录具有已知波长的线路丰富的参考频谱，确定一个 在记录光谱中参考光谱的峰数，已知顺序，位置和波长的至少两条第一行的选择，已知线所在的顺序的波长标度的确定，借助于拟合函数g x），临时波长标度的确定γ？m 1 （ 根据γ m 1 ？（x）= 0 gammam（x）gammaFSR with gammaFSR = gamma m（x）/ m，通过临时波长标度gamma 1（x）确定所述相邻次序m 1中的线的波长，将所述线的参考波长的至少两条线的临时波长的替换 如在步骤（a）中获得的并且对于至少一个更进一步的相邻顺序重复步骤（d）至（g）。

公开(公告)号：US20040032586A1

公开(公告)日：2004-02-19

申请号：US10457399

申请日：2003-06-10

Applicant: Seiko Epson Corporation

Inventor： Kimio Nagasaka ,  Akira Miyamae

IPC: G01J003/28

CPC classification number: G02B6/29307 ,  G02B6/29311 ,  G02B6/4206 ,  G02B6/4246

Abstract: The invention provides an optical transceiver capable of simplifying the manufacturing process. An optical transceiver includes a transparent substrate having a surface emitting laser mounted thereon, a transparent substrate with a photo detector mounted thereon, a transparent substrate formed with diffraction gratings, and a transparent substrate formed with a diffraction grating adhered with each other in layers. The signal beam emitted from the surface emitting laser is introduced to the diffraction grating by the diffraction grating, converged by the diffraction grating, and introduced into the optical fiber connected to the sleeve. The signal beam emitted from the optical fiber connected to the sleeve is introduced toward the diffraction grating by the diffraction grating, converged by the diffraction grating, and introduced into the photo detector.

Abstract translation: 本发明提供一种能够简化制造过程的光收发器。 光收发器包括：具有安装在其上的表面发射激光器的透明基板，安装有光电检测器的透明基板，形成有衍射光栅的透明基板，以及形成有彼此层叠的衍射光栅的透明基板。 从表面发射激光器发射的信号光束由衍射光栅引入衍射光栅，由衍射光栅会聚，并被引入与套筒连接的光纤中。 从连接到套筒的光纤发射的信号光束被衍射光栅引入衍射光栅，由衍射光栅会聚，并被引入到光电检测器中。

公开(公告)号：US20040021862A1

公开(公告)日：2004-02-05

申请号：US10632048

申请日：2003-07-31

Inventor： Suranjan Panigrahi ,  Vernon Hofman

IPC: G01J003/28

CPC classification number: G01N21/31 ,  A01D33/00 ,  A01D2033/005 ,  G01J3/02 ,  G01J3/0291 ,  G01J3/10 ,  G01J3/28 ,  G01N1/286 ,  G01N21/3563 ,  G01N21/359 ,  G01N33/02 ,  G01N33/025 ,  G01N2001/021

Abstract: An on-the-go sensor for determining the sugar content of an agricultural product, such as a sugar beet, during harvesting or at other times. The sensor is coupled to a harvester/defoliator and uses a knife to slice a cross-section from the crown of the sugar beet during harvesting. An illumination chamber radiates the exposed crown, and a sensor head receives the reflected radiation. A spectrometer converts the reflected radiation to a spectral signal. A computer digitizes and processes the spectral signal to produce data points relating to the sugar content of the sugar beet. The processing of the data points includes normalization, linearization, and other techniques. One of the techniques eliminates the conventional need to use the spectral signature of a separate physical standard as a reference.

Abstract translation: 一种用于在收获期间或在其他时间确定农产品如糖用甜菜的糖分含量的传感器。 传感器连接到收割机/离心机，并在采收过程中使用刀将切片从甜菜的冠部切片。 照明室辐射暴露的表冠，并且传感器头接收反射的辐射。 光谱仪将反射的辐射转换成光谱信号。 计算机数字化并处理光谱信号以产生与甜菜糖含量有关的数据点。 数据点的处理包括归一化，线性化和其他技术。 其中一种技术消除了使用单独物理标准的光谱签名作为参考的常规需要。

公开(公告)号：US20040008336A1

公开(公告)日：2004-01-15

申请号：US10446939

申请日：2003-05-29

Applicant: TOKYO ELECTRON LIMITED

Inventor： Hieu A. Lam ,  Hongyu Yue ,  John Shriner

IPC: G01N021/00 ,  G01J003/28

CPC classification number: H01L21/67253 ,  A61K48/005 ,  C23C16/4404 ,  C23C16/52 ,  G01N33/574 ,  G01N2333/4706 ,  H01J37/32935 ,  H01L21/67069

Abstract: A plasma processing system that comprises a process chamber, a plasma source, a light detection device and a controller. The controller is useful for determining a seasoning state of the plasma processing system. The present invention further provides a method of determining the seasoning state of a plasma processing system comprising the steps of forming a first plasma in the process chamber utilizing the plasma source; measuring a first signal related to light emitted from the first plasma using the light detection device and storing the first signal using the controller; forming a second plasma in the process chamber utilizing the plasma source; measuring a second signal related to light emitted from the second plasma using the light detection device and storing the second signal using the controller; and correlating a change between the first signal and the second signal with a seasoning state of the plasma processing system.