公开(公告)号：US20240035887A1

公开(公告)日：2024-02-01

申请号：US18358259

申请日：2023-07-25

Applicant: VIAVI SOLUTIONS INC.

Inventor： Eberhard Lothar LOECKLIN

IPC: G01J3/18

CPC classification number: G01J3/18 ,  G01J2003/2879

Abstract: A monochromator apparatus for an optical spectrum analyzer (OSA) may include a diffraction grating and a sensor. For calibration of the monochromator, an optical signal may be received and a 0th order diffracted signal and an angle of the 0th order diffracted signal may be detected, where the 0th order diffracted signal is obtained by diffracting the optical signal on the diffraction grating. The angle of the 0th order diffracted signal may be set as a reference angle and a next order diffracted signal and an angle of the next order diffracted signal detected. A wavelength of the next order diffracted signal may be determined based on the reference angle and the other angle of the next order diffracted signal using a look-up table or a grating equation-based computation. The calibration may be performed for each sweep of the OSA, at the beginning of a measurement, periodically, or on-demand.

公开(公告)号：US11885671B2

公开(公告)日：2024-01-30

申请号：US17238258

申请日：2021-04-23

Applicant: Labsphere, Inc.

Inventor： Jeffrey William Holt ,  Mark Duquette ,  Michael Wellington Dann ,  Erik A. Skarin ,  Joseph William Jablonski ,  Brandon James Russell

IPC: G01J3/02 ,  G01J3/28 ,  G01J3/18 ,  G01J3/12 ,  G01J1/42

CPC classification number: G01J3/0297 ,  G01J3/021 ,  G01J3/0218 ,  G01J3/0254 ,  G01J3/18 ,  G01J3/2803 ,  G01J2001/4266 ,  G01J2003/1204 ,  G01J2003/1213

Abstract: A field spectral radiometer includes a support structure and a remote sensing head disposed on the support structure. The remote sensing head includes a central axis, a first optical element disposed on a first side of the central axis and defining a first optical path for a first optical channel, and a second optical element disposed on a second side of the central axis and defining second optical path for a second optical channel. An instrumentation assembly disposed on the support structure. the instrumentation assembly includes a first detection path associated with the first optical channel and a second detection path associated with the second optical channel, the first and second detection path include optical indexers for manipulating the first and second optical channels. The field spectral radiometer may include a calibration assembly disposed on the base. The calibration assembly may include a calibrating light source for calibrating the remote sensing head.

公开(公告)号：US11835387B2

公开(公告)日：2023-12-05

申请号：US17457417

申请日：2021-12-02

Applicant: Lawrence Livermore National Security, LLC

Inventor： Hoang T. Nguyen ,  Michael C. Rushford

IPC: G01J3/02 ,  G01J3/10 ,  G01J3/18

CPC classification number: G01J3/0208 ,  G01J3/021 ,  G01J3/10 ,  G01J3/18 ,  G01J2003/102 ,  G01J2003/1861

Abstract: A spectral beam combining system includes a spectral channel splicer comprising a plurality of reflectors and a spectral beam combiner comprising a diffraction optical element such as a diffraction grating. This spectral beam combining system may facilitate combining an increased number of spectral channels thereby producing higher optical power of the combining beam system.

公开(公告)号：US20230358611A1

公开(公告)日：2023-11-09

申请号：US17939334

申请日：2022-09-07

Applicant: AGENCY FOR DEFENSE DEVELOPMENT

Inventor： Jae Hwan LEE ,  Young Soo CHUNG ,  Hyung Bin SON ,  Se Kyu SHIM ,  Jung Taek HONG

IPC: G01J3/18 ,  G01J3/44 ,  G01N21/65 ,  G01J3/02

CPC classification number: G01J3/4412 ,  G01J3/0208 ,  G01J3/18 ,  G01N21/65

Abstract: A spectroscopy system that includes a light source portion configured to generate light having a plurality of wavelengths, a light transmitter configured to transmit the light to a target analyte, a light receiving portion configured to receive Raman-scattered light scattered from the target analyte, and a multi-wavelength spectroscopy portion that may acquire a spectrum by splitting the Raman-scattered light transmitted from the light receiving portion. The multi-wavelength spectroscopy portion includes a single diffraction grating configured to diffract the Raman-scattered light and a single concave mirror configured to focus the Raman-scattered light.

公开(公告)号：US20230333054A1

公开(公告)日：2023-10-19

申请号：US18098060

申请日：2023-01-17

Applicant: Life Technologies Corporation

Inventor： Shaohong Wang

IPC: G01N27/447 ,  G01J3/02 ,  G01J3/18 ,  G01J3/44

CPC classification number: G01N27/44721 ,  G01J3/0208 ,  G01J3/0218 ,  G01J3/0289 ,  G01J3/0294 ,  G01J3/18 ,  G01J3/4406 ,  G01N27/44791

Abstract: A system for separating biological molecules includes a plurality of capillaries, a capillary mount, a plurality of optical fibers, a fiber mount, an optical detector, and a motion stage. The plurality of capillaries are configured to separate biological molecules in a sample. Each capillary comprising a detection portion configured to pass electromagnetic radiation into the capillary. The plurality of capillaries are coupled to the capillary mount such that the detection portions are fixedly located relative to one another. Each optical fiber includes a receiving end to receive emissions. The optical fibers are coupled to the fiber mount such that the receiving ends of the optical fibers are fixedly located relative to one another. The optical detector is configured to produce an alignment signal. The motion stage is configured to align the receiving ends of the optical fibers to the detection portions based on values of the alignment signal.

公开(公告)号：US11747205B2

公开(公告)日：2023-09-05

申请号：US16798001

申请日：2020-02-21

Applicant: Deep Smart Light Limited

Inventor： Karina Litvinova

IPC: G01J3/44 ,  A61B5/00 ,  G06N20/00 ,  A61B1/00 ,  A61B90/00 ,  G01J3/10 ,  G01J3/18 ,  G01J3/02 ,  A61B5/1455 ,  A61B1/04 ,  A61B1/307 ,  A61B1/267 ,  A61B1/24

CPC classification number: G01J3/4406 ,  A61B1/000096 ,  A61B1/043 ,  A61B1/24 ,  A61B1/2676 ,  A61B1/307 ,  A61B5/0071 ,  A61B5/1455 ,  A61B5/444 ,  A61B5/7267 ,  A61B5/742 ,  G01J3/0272 ,  G01J3/10 ,  G01J3/18 ,  G06N20/00 ,  A61B5/0075 ,  A61B5/4227 ,  A61B2090/3614 ,  A61B2560/0214 ,  A61B2560/0431 ,  A61B2560/0475 ,  A61B2562/0238

Abstract: Provided is a obtaining an excitation-emission matrix, wherein the excitation-emission matrix is measured with a spectrometer by: illuminating a biological tissue with stimulant light at a first wavelength to cause a first fluorescent emission of light by the biological tissue, measuring a first set of intensities of the first fluorescent emission of light at a plurality of different respective emission wavelengths, illuminating the biological tissue with stimulant light at a second wavelength to cause a second fluorescent emission of light by the biological tissue, and measuring a second set of intensities of the second fluorescent emission of light at a plurality of different respective emission wavelengths; and inferring a classification of the biological tissue or a concentration of a substance in the biological tissue with a multi-layer neural network or other machine learning model.

公开(公告)号：US11719642B2

公开(公告)日：2023-08-08

申请号：US17527844

申请日：2021-11-16

Applicant: OndaVia, Inc.

Inventor： Mark C. Peterman ,  Merwan Benhabib ,  Samuel Kleinman

IPC: G01N21/65 ,  G01J3/02 ,  G01J3/18 ,  G01J3/44 ,  G01N21/47 ,  G01N21/63 ,  G01N21/66 ,  G01N21/68 ,  G01N27/44 ,  G01N30/60 ,  B01D15/08 ,  B01D43/00 ,  B01D57/02 ,  B01L3/00 ,  G01N27/447 ,  G01N21/49 ,  C02F1/28 ,  B01D35/30 ,  G01N33/18 ,  G01N30/00 ,  G01J3/28

CPC classification number: G01N21/65 ,  B01D15/08 ,  B01D35/30 ,  B01D43/00 ,  B01D57/02 ,  B01L3/502761 ,  C02F1/28 ,  G01J3/02 ,  G01J3/0256 ,  G01J3/0291 ,  G01J3/18 ,  G01J3/44 ,  G01J3/4412 ,  G01N21/47 ,  G01N21/4785 ,  G01N21/49 ,  G01N21/63 ,  G01N21/658 ,  G01N21/66 ,  G01N21/68 ,  G01N27/44704 ,  G01N27/44791 ,  G01N30/6095 ,  G01N33/18 ,  B01L2200/04 ,  B01L2200/0652 ,  B01L2200/12 ,  B01L2300/0627 ,  B01L2300/0636 ,  B01L2300/0654 ,  B01L2300/0681 ,  B01L2300/087 ,  B01L2300/0867 ,  B01L2400/0418 ,  B01L2400/0421 ,  G01J2003/2866 ,  G01J2003/2879 ,  G01N30/6065 ,  G01N2021/651 ,  G01N2021/656 ,  G01N2030/0095 ,  G01N2201/0221 ,  G01N2201/13

Abstract: A hand-held microfluidic testing device is provided that includes a housing having a cartridge receiving port, a cartridge for input to the cartridge receiving port having a sample input and a channel, where the channel includes a mixture of Raman-scattering nanoparticles and a calibration solution, where the calibration solution includes chemical compounds capable of interacting with a sample under test input to the cartridge and the Raman-scattering nanoparticles, and an optical detection system in the housing, where the optical detection system is capable of providing an illuminated electric field, where the illuminating electric field is capable of being used for Raman spectroscopy with the Raman-scattering nanoparticles and the calibration solution to analyze the sample under test input to the cartridge.

公开(公告)号：US20230175888A1

公开(公告)日：2023-06-08

申请号：US17457417

申请日：2021-12-02

Applicant: Lawrence Livermore National Security, LLC

Inventor： Hoang T. Nguyen ,  Michael C. Rushford

IPC: G01J3/02 ,  G01J3/10 ,  G01J3/18

CPC classification number: G01J3/0208 ,  G01J3/10 ,  G01J3/18 ,  G01J3/021 ,  G01J2003/1861 ,  G01J2003/102

Abstract: A spectral beam combining system includes a spectral channel splicer comprising a plurality of reflectors and a spectral beam combiner comprising a diffraction optical element such as a diffraction grating. This spectral beam combining system may facilitate combining an increased number of spectral channels thereby producing higher optical power of the combining beam system.

公开(公告)号：US20230168125A1

公开(公告)日：2023-06-01

申请号：US17917002

申请日：2020-10-30

Applicant: Shimadzu Corporation

Inventor： Ryoji HIRAOKA ,  Zeno YONEZAWA ,  Tetsuya NAGAI

IPC: G01J3/28 ,  G01J3/18

CPC classification number: G01J3/28 ,  G01J3/18 ,  G01J2003/2859

Abstract: A mode of a spectrometer according to the present invention includes a spectrum measurement unit (11, 12) configured to repeatedly measure a spectrum over a predetermined wavelength range for measurement target light that is laser light; a peak counting unit (21, 22) configured to, every time a spectrum is obtained by the spectrum measurement unit, detect a peak from the spectrum and count the number of detected peaks; and a display processing unit (24) configured to display a numerical value of a peak counting result by the peak counting unit on a screen of a display unit in real time. With the spectrometer of the above mode, adjustment and the like of the multimode laser oscillator can be efficiently and accurately performed.

公开(公告)号：US11650100B2

公开(公告)日：2023-05-16

申请号：US17425644

申请日：2020-07-09

Applicant: SHENZHEN HYPERNANO OPTICS TECHNOLOGY CO., LTD.

Inventor： Mingliang Zhen ,  Pingping Yu ,  Bin Guo ,  Jinbiao Huang

IPC: G01J3/28 ,  G01J3/02 ,  G01J3/14 ,  G01J3/18 ,  G02B27/10

CPC classification number: G01J3/2823 ,  G01J3/0208 ,  G01J3/14 ,  G01J3/18 ,  G02B27/1086 ,  G01J2003/2826

Abstract: A system for testing a spectral response speed of a tunable filter is disclosed, which includes a collimating light source, a beam splitting element, a focusing lens, and an image recording device of light spot position arranged successively. The tunable filter is disposed between the collimating light source and the beam splitting element and configured to be continuously tuned within a certain wavelength range during testing. The beam splitting element is used to form light beams of different wavelength bands passing through the tunable filter into diffracted beams or refracted beams corresponding to different wavelength bands. The focusing lens is used to perform focusing. The image recording device of light spot position is used to record change information about positions where the diffracted beams or refracted beams corresponding to different wavelength bands are imaged.