公开(公告)号：US06414311B1

公开(公告)日：2002-07-02

申请号：US09383243

申请日：1999-08-26

Applicant: Christopher Wood ,  Ian Alcock

Inventor： Christopher Wood ,  Ian Alcock

IPC: G01N2135

CPC classification number: G01N21/552 ,  G01J3/0202 ,  G01J3/0208 ,  G01J3/021 ,  G01J3/0237

Abstract: An accessory for carrying out ATR measurements in a spectrometer such as an FT-IR spectrometer. The accessory has input optical elements for directing a beam of infra-red radiation. to an HATR crystal 75 and output optical elements for directing radiation leaving the crystal towards an IR detector. The optical elements include a pivotable element which is adjustable automatically to a position in which it causes the radiation to be incident on the crystal at an angle of incidence appropriate for that crystal.

Abstract translation: 用于在诸如FT-IR光谱仪的光谱仪中进行ATR测量的附件。 附件具有用于引导红外辐射束的输入光学元件。 到HATR晶体75并输出用于将离开晶体的辐射引导到IR检测器的光学元件。 光学元件包括可枢转元件，该可枢转元件可以自动调节到使其以适合于该晶体的入射角入射到晶体上的位置。

公开(公告)号：US5986758A

公开(公告)日：1999-11-16

申请号：US136116

申请日：1998-08-18

Applicant: Denise M. Lyons ,  Kevin J. Whitcomb

Inventor： Denise M. Lyons ,  Kevin J. Whitcomb

IPC: G01J3/02 ,  G01J3/18 ,  G01J3/28 ,  G01J3/32

CPC classification number: G01J3/02 ,  G01J3/0208 ,  G01J3/0237 ,  G01J3/18 ,  G01J3/2803 ,  G01J3/32

Abstract: An imaging spectrometer provides a three-dimensional (two (2) spatial and one (1) spectral) image cube of a target. In this apparatus, a diffractive optical element (DOE) performs the imaging and provides the dispersion necessary to separate a multi-spectral target into separate spectral images that are detected by a photodetector array. A lens (or set of lenses) relays the image formed by the DOE to the photodetector array. This lens allows the DOE and photodetector array to be mounted with a fixed separation and the spectral images to have a constant magnification. The lens is stepped or scanned along the optical axis, and each position of the lens corresponds to a particular wavelength being imaged onto the photodetector array. At each position of the relay lens the photodetector array records a spectral image by a process called diffractive spectral sectioning.

Abstract translation: 成像光谱仪提供目标的三维（两（2）空间和一（1）光谱）图像立方体。 在该装置中，衍射光学元件（DOE）执行成像并提供将多光谱目标分离成由光电检测器阵列检测的分离的光谱图像所必需的色散。 透镜（或透镜组）将由DOE形成的图像中继到光电检测器阵列。 该透镜允许DOE和光电检测器阵列以固定的分离方式安装，并且光谱图像具有恒定的放大倍率。 透镜沿着光轴被阶梯或扫描，并且透镜的每个位置对应于被成像到光电检测器阵列上的特定波长。 在中继透镜的每个位置处，光电检测器阵列通过称为衍射光谱分割的过程记录光谱图像。

公开(公告)号：US5301007A

公开(公告)日：1994-04-05

申请号：US607313

申请日：1990-10-31

Applicant: Juichiro Ukon

Inventor： Juichiro Ukon

IPC: G01N21/27 ,  G02B21/00 ,  G02B21/18 ,  G01J3/28 ,  G01N21/00

CPC classification number: G01J3/02 ,  G01J3/0229 ,  G01J3/0237 ,  G01J3/0248 ,  G01J3/0289 ,  G01J3/04 ,  G02B21/0096 ,  G02B21/18

Abstract: A microscopic spectrometer having a separate optical path for masking light from a sample for spectrometric measurements. In the preferred embodiment, a beam splitter is disposed behind an object lens to form two branched optical paths. One of the optical paths is provided with masks at a point of focus along the path, allowing part of the image to be masked. The second optical path allows optical throughput and observation of the entire image. These two optical paths are rejoined, and a final image is obtained for visual inspection by synthesizing the two optical paths.

Abstract translation: 具有用于掩蔽来自样品的光的单独光路的微观光谱仪用于光谱测量。 在优选实施例中，分束器设置在物镜后面以形成两个分支的光路。 光路中的一个在沿着路径的焦点处设置有掩模，允许图像的一部分被掩蔽。 第二光路允许光学吞吐量和整个图像的观察。 这两个光路被重新连接，并通过合成两个光路获得最终的图像用于目视检查。

公开(公告)号：US5050992A

公开(公告)日：1991-09-24

申请号：US508436

申请日：1990-04-13

Applicant: James E. Drummond ,  I-Fu Shih

Inventor： James E. Drummond ,  I-Fu Shih

IPC: G01J3/12 ,  G01J3/02 ,  G01J3/18 ,  G01J3/28

CPC classification number: G01J3/1838 ,  G01J3/0259 ,  G01J3/0237 ,  G01J3/0256 ,  G01J3/0286 ,  G01J3/0289 ,  G01J3/2803 ,  G01N21/3504 ,  G01N2201/067

Abstract: This invention relates to a dispersive holographic spectrometer (12) for analyzing radiation from an infrared source (16). The holographic spectrometer (12) comprises a piezoelectric block (40) having a holographic lens (38) on one face, an array of detectors (36) on another face and a pair of vernier electrodes (32, 34) on opposite faces. Radiation from the source (16) incident upon the holographic lens (38) is dispersed into component wavelengths (44, 46) and directed towards the detector array (38). The holographic lens (36) has a holographic interference pattern recorded on it such that radiation of predetermined wavelength components are dispersed sufficiently enough such that radiation of specific wavelengths falls on different detector elements (48) of the detector array (36). By applying a voltage to the electrodes (32, 38), an electric field is created within the piezoelectric block (40) such that it is either compressed or expanded. This change in the piezoelectric block (40) alters the direction of the radiation from the holographic lens (38) to the detector array (36). Therefore, misalignment of the source (16) with the holographic lens (38) can be compensated for such that piezoelectric adjustment of the block (40) will make the radiation of individual wavelengths fall on the desired detector element (48). Further, radiation from different wavelengths can be directed from one detector element to another. The detector array (36) is self-scanning such that an absorption spectrum can be measured and recorded over a range of frequencies.

公开(公告)号：US5011284A

公开(公告)日：1991-04-30

申请号：US497238

申请日：1990-03-22

Applicant: James M. Tedesco ,  Harry Owen ,  Byung J. Chang

Inventor： James M. Tedesco ,  Harry Owen ,  Byung J. Chang

IPC: G01J3/02 ,  G01J3/18 ,  G01J3/36 ,  G01J3/44 ,  G02B5/32

CPC classification number: G01J3/1838 ,  G01J3/02 ,  G01J3/0208 ,  G01J3/0237 ,  G01J3/44 ,  G02B5/32 ,  G01J3/36

Abstract: The Raman scattering detector of this invention includes a source of collimated monochromatic illumination, a cube formed of two right angle prisms, a holographic optical element disposed between the prisms, a concentrating lens, a focusing lens and one or more photo detectors. The illuminating beam passes through the cube and is concentrated by the concentrating leans to a sample. Scattered light returned to the concentrating lens is substantially collimated upon return to the cube. The holographic optical element diffracts light at desired Raman wavelengths approximately 90 degrees without substantially affecting the original wavelength. The holographic optical element further disperses light at desired Raman wavelengths permitting them to be separated. The diffracted and dispersed wavelengths are focused on one or more detectors by the focusing lens.

Abstract translation: 本发明的拉曼散射检测器包括准直单色照明源，由两个直角棱镜形成的立方体，设置在棱镜之间的全息光学元件，聚焦透镜，聚焦透镜和一个或多个光电检测器。 照明光束通过立方体，并通过浓缩倾斜物浓缩到样品。 返回到聚光透镜的散射光在返回立方体时基本准直。 全息光学元件以大约90度的期望拉曼波长衍射光，而基本上不影响原始波长。 全息光学元件进一步将光分散在所需的拉曼波长，允许它们被分离。 衍射和分散的波长通过聚焦透镜聚焦在一个或多个检测器上。

公开(公告)号：US4883356A

公开(公告)日：1989-11-28

申请号：US243853

申请日：1988-09-13

Applicant: Charles F. deMey, II

Inventor： Charles F. deMey, II

IPC: G01J3/02 ,  G01J3/453

CPC classification number: G01J3/02 ,  G01J3/0202 ,  G01J3/0237 ,  G01J3/453

Abstract: A three-axis adjustment detector mounting assembly in a spectrometer comprising first and second interconnected support plates with a pivot ball assembly interconnecting the first plate to the spectrometer for pivotal positioning of the first plate about first and second axes and a plurality of pivot ball assemblies interconnecting the first and second plate for pivotal positioning of the second plate about a third axis with a detector element mounted to the second plate such that a first adjustment screw mounted to the first plate moves the detector along a horizontal x-axis, a second adjustment screw mounted to the first plate moves the detector orthogonally along a z-axis, and a third adjustment screw mounted to the second plate moves the detector vertically along a y-axis for three-axis detector alignment.

Abstract translation: 三轴调节检测器安装组件在光谱仪中，包括第一和第二互连的支撑板，其具有将第一板与光谱仪相互连接的枢轴球组件，用于围绕第一和第二轴线枢转地定位第一板，以及多个枢转球组件 所述第一和第二板用于使第二板围绕第三轴线枢转定位，其中检测器元件安装到第二板，使得安装到第一板的第一调节螺钉沿着水平x轴移动检测器，第二调节螺钉 安装到第一板上的检测器沿着z轴正交地移动检测器，并且安装到第二板的第三调节螺钉沿着y轴垂直移动检测器以进行三轴检测器对准。

公开(公告)号：US4786813A

公开(公告)日：1988-11-22

申请号：US882975

申请日：1986-06-23

Applicant: Sune Svanberg ,  Sune Montan

Inventor： Sune Svanberg ,  Sune Montan

IPC: G01N21/64 ,  G01J3/12 ,  G02B27/14

CPC classification number: G01N21/6456 ,  G01J3/02 ,  G01J3/021 ,  G01J3/0237 ,  G01J3/36 ,  G01J2003/1239 ,  G01N2021/6421

Abstract: A fluorescence imaging system. A light source irradiates an object to be viewed. The irradiated object is imaged through a beam-splitting system to form individual displaced images of the object. The displaced images are further filtered in a filter having a frequency passband different from the other filters. The filtered images are imaged on a detector. The same image point of each image is detected and converted into an electrical signal. A circuit means is provided to receive the signals of each common image point, and weight the same. The weighted signal represents an image point pixel. The weighted pixels are displayed as an image of the object having improved contrast.

Abstract translation: PCT No.PCT / SE85 / 00408 Sec。 371日期1986年6月23日第 102（e）日期1986年6月23日PCT提交1985年10月22日PCT公布。 公开号WO86 / 02730 日期：1986年5月9日。荧光成像系统。 光源照射待观察的物体。 照射的物体通过光束分离系统成像，以形成物体的各个位移图像。 在具有与其他滤波器不同的频带的滤波器中进一步滤波位移图像。 滤波后的图像在检测器上成像。 检测每个图像的相同图像点并将其转换成电信号。 提供电路装置以接收每个公共图像点的信号，并且对其加权。 加权信号表示图像点像素。 加权像素被显示为具有改善的对比度的对象的图像。

公开(公告)号：US20240288309A1

公开(公告)日：2024-08-29

申请号：US18573375

申请日：2021-06-23

Applicant: Purdue Research Foundation

Inventor： Xueji Wang ,  Zubin Jacob

IPC: G01J4/04 ,  G01J3/02 ,  G01J3/28 ,  G01J3/447

CPC classification number: G01J4/04 ,  G01J3/0229 ,  G01J3/0237 ,  G01J3/2823 ,  G01J3/447 ,  G01J2003/2826

Abstract: A tunable hyperspectral-polarimetric filter system includes a first polarizer, a crystal filter and a second polarizer. The first polarizer is configured to transmit light in a first direction of linear polarization. The polarization selection may be substantially the same for all wavelengths at a spectral range of interest. The crystal filter, may be parallelly and coaxially disposed after the first polarizer. The crystal filter is configured to rotates the first direction of linear polarization for light transmitted by the first polarizer, wherein rotation angles differ for different wavelengths at the spectral range of interest. The second polarizer may be parallelly and coaxially disposed after the crystal filter. The second polarizer may substantially transmit a second direction of linear polarization of the light transmitted by the crystal filter. The first polarizer and/or the second polarizer are rotatable to tune for different transmission spectra for spectral and polarimetric imaging resolution.

公开(公告)号：US20240151581A1

公开(公告)日：2024-05-09

申请号：US18387991

申请日：2023-11-08

Applicant: Purdue Research Foundation

Inventor： Jian Jin ,  Ziling Chen

IPC: G01J3/02 ,  G01J3/28 ,  G01N33/00 ,  G03B15/03 ,  G06V20/10 ,  H04N13/10 ,  H04N13/204

CPC classification number: G01J3/0278 ,  G01J3/0237 ,  G01J3/0291 ,  G01J3/2823 ,  G01N33/0098 ,  G03B15/03 ,  G06V20/194 ,  H04N13/10 ,  H04N13/204 ,  G01N2021/8466

Abstract: An autonomous system for providing consistent images of leaves of plants is disclosed which includes a mobility system configured to move from an originating position to a position above a plant in a field, a robotic system coupled to the mobility system, the robotic system includes a manipulator providing a plurality of degrees of freedom, and an imaging system having an imaging chamber and one or more cameras, the imaging system coupled to the manipulator, the manipulator and the imaging system cooperate to position the imaging system about a leaf of a plant such that the manipulator articulates the imaging chamber substantially parallel and in line with the leaf and further moves the imaging system so that the leaf enters the imaging chamber thereby allowing the imaging system to obtain images of the leaf.

公开(公告)号：US20240110779A1

公开(公告)日：2024-04-04

申请号：US18535364

申请日：2023-12-11

Applicant: HAMAMATSU PHOTONICS K.K.

Inventor： Tomofumi SUZUKI ,  Kyosuke KOTANI ,  Tatsuya SUGIMOTO ,  Yutaka KURAMOTO ,  Katsumi SHIBAYAMA ,  Noburo HOSOKAWA ,  Hirokazu YAMAMOTO ,  Takuo KOYAMA

IPC: G01B9/02 ,  B81B3/00 ,  G01J3/02 ,  G01J3/10 ,  G01J3/14 ,  G01J3/45 ,  G02B7/182 ,  G02B26/08 ,  G02B27/14

CPC classification number: G01B9/02051 ,  B81B3/00 ,  B81B3/0021 ,  B81B3/007 ,  G01B9/02049 ,  G01J3/0202 ,  G01J3/021 ,  G01J3/0237 ,  G01J3/108 ,  G01J3/14 ,  G01J3/45 ,  G02B7/182 ,  G02B26/0816 ,  G02B26/0833 ,  G02B26/0841 ,  G02B27/144 ,  B81B2201/042 ,  B81B2203/0154 ,  G01J2003/104 ,  G01J3/4532

Abstract: A mirror unit 2 includes a mirror device 20 including a base 21 and a movable mirror 22, an optical function member 13, and a fixed mirror 16 that is disposed on a side opposite to the mirror device 20 with respect to the optical function member 13. The mirror device 20 is provided with a light passage portion 24 that constitutes a first portion of an optical path between the beam splitter unit 3 and the fixed mirror 16. The optical function member 13 is provided with a light transmitting portion 14 that constitutes a second portion of the optical path between the beam splitter unit 3 and the fixed mirror 16. A second surface 21b of the base 21 and a third surface 13a of the optical function member 13 are joined to each other.