公开(公告)号：US09778172B2

公开(公告)日：2017-10-03

申请号：US15385482

申请日：2016-12-20

Applicant: Halliburton Energy Services, Inc.

Inventor： Michael Pelletier ,  William Soltmann ,  David L. Perkins ,  Christopher M. Jones

IPC: G01N21/25 ,  H05B37/02 ,  G01J3/02 ,  G01J3/10 ,  G01J3/427 ,  G01J3/433 ,  G01J5/52 ,  G01N21/31

CPC classification number: G01N21/255 ,  E21B47/102 ,  E21B49/08 ,  G01J3/0205 ,  G01J3/027 ,  G01J3/10 ,  G01J3/108 ,  G01J3/427 ,  G01J3/433 ,  G01J5/522 ,  G01N21/31 ,  G01N21/47 ,  G01N2201/061 ,  G01N2201/06186 ,  G01N2201/0696 ,  G01N2201/12 ,  G01V8/10 ,  H03K7/08 ,  H05B37/0209

Abstract: A light source and a method for its use in an optical sensor are provided, the light source including a resistively heated element. The light source includes a power circuit configured to provide a pulse width modulated voltage to the resistively heated element, the pulse width modulated voltage including: a duty cycle with a first voltage; and a pulse period including a period with a second voltage, wherein: the duty cycle, the first voltage, and the pulse period are selected so that the resistively heated element is heated to a first temperature; and the first temperature is selected to emit black body radiation in a continuum spectral range. Also provided is an optical sensor for determining a chemical composition including a light source as above.

公开(公告)号：US09746377B2

公开(公告)日：2017-08-29

申请号：US15352504

申请日：2016-11-15

Applicant: Hypermed Imaging, Inc.

Inventor： Mark Anthony Darty ,  Michael Tilleman ,  Peter Meenen ,  Dmitry Yudovsky

IPC: G01N21/25 ,  G01J3/28 ,  G01J3/02 ,  H04N5/33 ,  H04N5/235 ,  H04N5/225

CPC classification number: H04N5/332 ,  G01J3/0205 ,  G01J3/0208 ,  G01J3/0272 ,  G01J3/0278 ,  G01J3/0283 ,  G01J3/0289 ,  G01J3/0291 ,  G01J3/0294 ,  G01J3/10 ,  G01J3/108 ,  G01J3/2823 ,  G01J3/36 ,  G01J2003/106 ,  G01J2003/1213 ,  G01J2003/2826 ,  G06T2207/10016 ,  H04N5/2254 ,  H04N5/2256 ,  H04N5/2354

Abstract: Provided are methods and systems for concurrent imaging at multiple wavelengths. In one aspect, a hyperspectral/multispectral imaging device includes a lens configured to receive light backscattered by an object, a plurality of photo-sensors, a plurality of bandpass filters covering respective photo-sensors, where each bandpass filter is configured to allow a different respective spectral band to pass through the filter, and a plurality of beam splitters in optical communication with the lens and the photo-sensors, where each beam splitter splits the light received by the lens into a plurality of optical paths, each path configured to direct light to a corresponding photo-sensor through the bandpass filter corresponding to the respective photo-sensor.

公开(公告)号：US09722144B2

公开(公告)日：2017-08-01

申请号：US14459681

申请日：2014-08-14

Applicant: Parthiban Santhanam ,  Dodd Joseph Gray ,  Rajeev Jagga Ram

Inventor： Parthiban Santhanam ,  Dodd Joseph Gray ,  Rajeev Jagga Ram

IPC: H01L33/00 ,  H01L33/48 ,  H01L23/34 ,  H01L33/64 ,  G01N21/3577 ,  G01J3/10 ,  G01J3/42 ,  G01J3/44 ,  H01L33/30 ,  H01L25/075 ,  H01L33/02

CPC classification number: H01L33/0004 ,  G01J3/108 ,  G01J3/42 ,  G01J3/4412 ,  G01N21/3577 ,  G01N2201/062 ,  H01L23/345 ,  H01L25/0753 ,  H01L33/02 ,  H01L33/20 ,  H01L33/30 ,  H01L33/36 ,  H01L33/44 ,  H01L33/48 ,  H01L33/645 ,  H01L2924/0002 ,  H01L2924/00

Abstract: Contrary to conventional wisdom, which holds that light-emitting diodes (LEDs) should be cooled to increase efficiency, the LEDs disclosed herein are heated to increase efficiency. Heating an LED operating at low forward bias voltage (e.g., V

公开(公告)号：US20170180054A1

公开(公告)日：2017-06-22

申请号：US15296919

申请日：2016-10-18

Applicant: NATIONAL INSTITUTES OF NATURAL SCIENCES

Inventor： Hitoshi KIUCHI

IPC: H04B10/572 ,  G01J1/42 ,  G02F1/225 ,  H04B10/50 ,  H04B10/516

CPC classification number: H04B10/572 ,  G01J1/4228 ,  G01J3/108 ,  G02F1/2255 ,  G02F2001/212 ,  G02F2203/56 ,  H04B10/503 ,  H04B10/516 ,  H04B10/90 ,  H04B2210/006

Abstract: In an optical synthesizer, a laser source outputs a laser. An optical modulator modulates the frequency of the laser to output a light including a first frequency component. An optical filter extracts the first frequency component from the output of the optical modulator. An optical comb generator generates an optical comb based on the laser and a predetermined driving signal. A variable-wavelength narrowband filter extracts a second frequency component from the optical comb. An optical-electric converter outputs an electric signal based on the frequency difference between the first and second frequency components.

公开(公告)号：US20170102315A1

公开(公告)日：2017-04-13

申请号：US15287011

申请日：2016-10-06

Applicant: Duvas Technologies Limited

Inventor： Craig Sawyers

IPC: G01N21/03 ,  G01J3/42 ,  G01J3/02 ,  G01J3/10 ,  G01N21/3504 ,  G01N21/33

CPC classification number: G01N21/031 ,  G01J3/02 ,  G01J3/0264 ,  G01J3/027 ,  G01J3/108 ,  G01J3/42 ,  G01N21/33 ,  G01N21/3504 ,  G01N2201/0231 ,  G01N2201/0627 ,  G01N2201/0633 ,  G01N2201/0636 ,  G01N2201/12

Abstract: Systems and methods of the present disclosure are directed to detecting species within a fluid using a multi-pass absorption cell and a spectrometer. The absorption cell includes a plurality of mirrors arranged in a manner such that a detection light traverses multiple passes through the fluid within the absorption cell. In some implementations, the detection light is reflected by the plurality of mirrors to form optical paths in more than one plane. The system also includes an electronic unit configured to receive and process spectral data from the spectrometer. In some implementations, the electronic unit communicates with at least one computational unit over a communication interface to send a portion of the spectral data for processing. The electronic unit may also receive processed data from the computational unit.

公开(公告)号：US20170102267A1

公开(公告)日：2017-04-13

申请号：US14877050

申请日：2015-10-07

Applicant: THERMO SCIENTIFIC PORTABLE ANALYTICAL INSTRUMENTS INC.

Inventor： Malcolm C. SMITH ,  Mark T. DINSMORE

IPC: G01J3/10 ,  G01J3/14 ,  G01J3/42

CPC classification number: G01J3/108 ,  G01J2003/4534

Abstract: An infrared light source includes a single-crystal ceramic element having at least two electrical contacts disposed thereon, such that the single-crystal ceramic element is stimulated to emit infrared light upon application of an electrical current through the at least two electrical contacts. The infrared light source further includes an evacuated housing enclosing the single-crystal ceramic element, the evacuated housing including an infrared transparent window.

公开(公告)号：US09606002B2

公开(公告)日：2017-03-28

申请号：US14796858

申请日：2015-07-10

Applicant: Daylight Solutions Inc.

Inventor： Benjamin Bird ,  Miles James Weida ,  Jeremy Rowlette

IPC: G01J3/28 ,  G01J3/10 ,  G01J5/52 ,  G01J3/433 ,  G01J3/42 ,  G01N21/3563 ,  G01N21/39

CPC classification number: G01N21/35 ,  G01J3/10 ,  G01J3/108 ,  G01J3/28 ,  G01J3/2823 ,  G01J3/42 ,  G01J3/433 ,  G01J5/52 ,  G01J2003/104 ,  G01J2003/2826 ,  G01J2003/4332 ,  G01N21/3563 ,  G01N21/39 ,  G01N33/50 ,  G01N2201/12

Abstract: Spectrally analyzing an unknown sample (10A) includes (i) providing a spatially homogeneous region (10B) of the unknown sample (10A); (ii) directing a plurality of interrogation beams (16) at the spatially homogeneous region (10B) with a laser source (14), (iii) acquiring a separate output image (245) while the unknown sample (10A) is illuminated by each of the interrogation beams (16) with an image sensor (26A); and (iv) analyzing less than fifty output images (245) to analyze whether a characteristic is present in the unknown sample (10A) with a control system (28) that includes a processor. Each of the interrogation beams (16) is nominally monochromatic and has a different interrogation wavelength that is in the mid-infrared spectral range.

公开(公告)号：US20170071474A1

公开(公告)日：2017-03-16

申请号：US15357136

申请日：2016-11-21

Applicant: OMNI MEDSCI, INC.

Inventor： Mohammed N. ISLAM

IPC: A61B5/00 ,  G01N21/88 ,  G01N21/39 ,  G01N21/3563

CPC classification number: A61B5/0088 ,  A61B5/0013 ,  A61B5/0022 ,  A61B5/0075 ,  A61B5/0086 ,  A61B5/14532 ,  A61B5/14546 ,  A61B5/1455 ,  A61B5/4547 ,  A61B5/6801 ,  A61B5/7257 ,  A61B5/7405 ,  A61B5/742 ,  A61B2562/0233 ,  A61B2562/0238 ,  A61B2562/146 ,  A61B2576/02 ,  G01J3/0218 ,  G01J3/108 ,  G01J3/14 ,  G01J3/1838 ,  G01J3/28 ,  G01J3/2823 ,  G01J3/42 ,  G01J3/453 ,  G01J2003/104 ,  G01J2003/1208 ,  G01J2003/2826 ,  G01M3/38 ,  G01N21/35 ,  G01N21/3563 ,  G01N21/359 ,  G01N21/39 ,  G01N21/85 ,  G01N21/88 ,  G01N21/9508 ,  G01N33/02 ,  G01N33/025 ,  G01N33/15 ,  G01N33/442 ,  G01N33/49 ,  G01N2021/3595 ,  G01N2021/399 ,  G01N2201/061 ,  G01N2201/06113 ,  G01N2201/062 ,  G01N2201/08 ,  G01N2201/12 ,  G01N2201/129 ,  G06F19/00 ,  G16H40/67 ,  H01S3/0092 ,  H01S3/06758 ,  H01S3/302

Abstract: A wearable device for use with a smart phone or tablet includes a measurement device having a plurality of LEDs generating a near-infrared input optical beam that measures physiological parameters. The measurement device includes lenses configured to receive and to deliver the input beam to skin which reflects the beam. The measurement device includes a reflective surface configured to receive and redirect the light from the skin, and a receiver configured to receive the reflected beam. The light source is configured to increase a signal-to-noise ratio of the input beam reflected from the skin by increasing the light intensity from the LEDs and modulation of the LEDs. The measurement device is configured to generate an output signal representing a non-invasive measurement on blood contained within the skin. The wearable device is configured to wirelessly communicate with the smart phone or tablet which receives and processes the output signal.

Abstract translation: 用于智能手机或平板电脑的可佩戴装置包括具有多个LED的测量装置，所述多个LED产生测量生理参数的近红外输入光束。 测量装置包括被配置为接收并将输入光束传送到反射光束的皮肤的透镜。 测量装置包括被配置为接收并重定向来自皮肤的光的反射表面和被配置为接收反射光束的接收器。 光源被配置为通过增加来自LED的光强度和LED的调制来增加从皮肤反射的输入光束的信噪比。 测量装置被配置为产生表示对包含在皮肤内的血液进行非侵入性测量的输出信号。 可穿戴设备被配置为与接收和处理输出信号的智能电话或平板电脑进行无线通信。

公开(公告)号：US20170067820A1

公开(公告)日：2017-03-09

申请号：US15357225

申请日：2016-11-21

Applicant: OMNI MEDSCI, INC.

Inventor： Mohammed N. ISLAM

IPC: G01N21/3563 ,  G01J3/28 ,  G01N21/39 ,  G01N33/44 ,  G01N33/02

CPC classification number: A61B5/0088 ,  A61B5/0013 ,  A61B5/0022 ,  A61B5/0075 ,  A61B5/0086 ,  A61B5/14532 ,  A61B5/14546 ,  A61B5/1455 ,  A61B5/4547 ,  A61B5/6801 ,  A61B5/7257 ,  A61B5/7405 ,  A61B5/742 ,  A61B2562/0233 ,  A61B2562/0238 ,  A61B2562/146 ,  A61B2576/02 ,  G01J3/0218 ,  G01J3/108 ,  G01J3/14 ,  G01J3/1838 ,  G01J3/28 ,  G01J3/2823 ,  G01J3/42 ,  G01J3/453 ,  G01J2003/104 ,  G01J2003/1208 ,  G01J2003/2826 ,  G01M3/38 ,  G01N21/35 ,  G01N21/3563 ,  G01N21/359 ,  G01N21/39 ,  G01N21/85 ,  G01N21/88 ,  G01N21/9508 ,  G01N33/02 ,  G01N33/025 ,  G01N33/15 ,  G01N33/442 ,  G01N33/49 ,  G01N2021/3595 ,  G01N2021/399 ,  G01N2201/061 ,  G01N2201/06113 ,  G01N2201/062 ,  G01N2201/08 ,  G01N2201/12 ,  G01N2201/129 ,  G06F19/00 ,  G16H40/67 ,  H01S3/0092 ,  H01S3/06758 ,  H01S3/302

Abstract: A measurement system includes semiconductor light sources generating an input beam, optical amplifiers receiving the input beam and delivering an intermediate beam, and fused silica fibers with core diameters less than 400 microns receiving and delivering the intermediate beam to the fibers forming a first optical beam. A nonlinear element receives the first optical beam and broadens the spectrum to at least 10 nm through a nonlinear effect to form the output optical beam which includes a near-infrared wavelength of 700-2500 nm. A measurement apparatus is configured to receive the output optical beam and deliver it to a sample to generate a spectroscopy output beam. A receiver receives the spectroscopy output beam having a bandwidth of at least 10 nm and processes the beam to generate an output signal, wherein the light source and the receiver are remote from the sample, and wherein the sample comprises plastics or food industry goods.

Abstract translation: 测量系统包括产生输入光束的半导体光源，接收输入光束的光放大器和输送中间光束，以及芯直径小于400微米的熔融石英光纤接收并将中间光束传送到形成第一光束的光纤。 非线性元件接收第一光束并且通过非线性效应将光谱扩展至至少10nm，以形成包括700-2500nm的近红外波长的输出光束。 测量装置被配置为接收输出光束并将其传送到样本以产生光谱输出光束。 接收器接收具有至少10nm的带宽的光谱输出光束，并处理该光束以产生输出信号，其中光源和接收器远离样品，并且其中样品包括塑料或食品工业产品。

公开(公告)号：US20170017069A1

公开(公告)日：2017-01-19

申请号：US15209571

申请日：2016-07-13

Applicant: MASSACHUSETTS INSTITUTE OF TECHNOLOGY

Inventor： ANDREW M. SIEGEL ,  NANDINI RAJAN ,  ANGELA M. BELCHER ,  NEELKANTH M. BARDHAN

IPC: G02B21/16 ,  G02B21/06 ,  G02B21/00 ,  A61B5/00

CPC classification number: G02B21/16 ,  A61B5/0071 ,  A61B5/0075 ,  G01J3/0208 ,  G01J3/0248 ,  G01J3/0264 ,  G01J3/10 ,  G01J3/108 ,  G01J3/2823 ,  G01J3/4406 ,  G01J2003/104 ,  G01J2003/106 ,  G01N21/6456 ,  G02B21/0012 ,  G02B21/06

Abstract: System and method configured to operate under conditions when the object being imaged destroys or negates the information which otherwise allows the user to take advantage of optical parallax, configured to elicit luminescence from the same targets in the object as a result of irradiation of these targets with pump light at different, respectively corresponding wavelengths, and acquire optical data from so-illuminated targets through the very same optical path to image the object at different wavelengths. One embodiment enables acquisition, by the same optical detector and from the same object, of imaging data that includes a reflectance image and multiple fluorescence-based images caused by light at different wavelengths, to assess difference in depths of locations of targets within the object.

Abstract translation: 被配置为在成像对象的条件下操作的系统和方法能够破坏或否定否则允许用户利用光学视差的信息，该信息被配置为通过这些目标的照射从对象中的相同目标引出发光， 以不同的分别对应的波长泵浦光，并且通过相同的光路从所照射的目标获取光学数据，以对不同波长的物体进行成像。 一个实施例使得能够通过相同的光学检测器和相同的对象采集包括反射图像和由不同波长的光引起的多个基于荧光的图像的成像数据，以评估对象内的目标位置的深度差异。