公开(公告)号：US12152937B2

公开(公告)日：2024-11-26

申请号：US17623291

申请日：2020-06-18

Applicant: Diego Guénot

Inventor： Diego Guénot ,  Olle Lundh

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

Abstract: The disclosure relates to an optical spectrometer for spectrally resolved two-dimensional imaging of an object, comprising a dispersing device arranged to disperse radiation from object, a multi-lens array arrangement arranged to receive the dispersed radiation from the dispersing device, a two-dimensional detector arranged to receive 5 the dispersed radiation as directed by the multi-lens array arrangement, wherein the optical spectrometer further comprises a collimating arrangement for collimating the radiation from object before the radiation reaches the dispersing device, the collimating arrangement comprising a diffusing plate for diffusing the radiation and an optical micro-channel arranged to receive the diffused radiation comprising a plurality 10 of parallel and linear optical micro-channels directed towards the dispersing device. The disclosure further relates to a method for spectrally resolved two-dimensional imaging of an object.

公开(公告)号：US12152878B2

公开(公告)日：2024-11-26

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 ,  G01J3/453

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.

公开(公告)号：US20240130621A1

公开(公告)日：2024-04-25

申请号：US18386877

申请日：2023-11-02

Applicant: Omni Medsci, Inc.

Inventor： Mohammed N. ISLAM

IPC: A61B5/00 ,  A61B5/145 ,  A61B5/1455 ,  A61C19/04 ,  G01J3/02 ,  G01J3/10 ,  G01J3/14 ,  G01J3/28 ,  G01J3/42 ,  G01J3/453 ,  G01N21/35 ,  G01N21/3504 ,  G01N21/3563 ,  G01N21/359 ,  G01N21/39 ,  G01N21/88 ,  G01N33/02 ,  G01N33/15 ,  G01N33/44 ,  G01N33/49 ,  G16H40/67 ,  G16Z99/00

CPC classification number: A61B5/0088 ,  A61B5/0013 ,  A61B5/0022 ,  A61B5/0075 ,  A61B5/0086 ,  A61B5/14532 ,  A61B5/14546 ,  A61B5/1455 ,  A61B5/4547 ,  A61B5/6801 ,  A61B5/7203 ,  A61B5/7257 ,  A61B5/7405 ,  A61B5/742 ,  A61C19/04 ,  G01J3/02 ,  G01J3/0218 ,  G01J3/108 ,  G01J3/14 ,  G01J3/28 ,  G01J3/2823 ,  G01J3/42 ,  G01J3/453 ,  G01N21/35 ,  G01N21/3504 ,  G01N21/3563 ,  G01N21/359 ,  G01N21/39 ,  G01N21/88 ,  G01N33/02 ,  G01N33/025 ,  G01N33/15 ,  G01N33/442 ,  G01N33/49 ,  G16H40/67 ,  G16Z99/00 ,  G01N2201/129 ,  H01S3/302

Abstract: A measurement system may comprise an actively illuminated camera system, in some embodiments coupled to a time-of-flight sensor or an array of laser diodes beam split into a plurality of spatially separated lights. The camera system may capture two or three dimensional images, and the light source may comprise semiconductor diodes, such as light emitting diodes. The system includes a processor coupled to non-transitory computer readable medium and configured to use artificial intelligence to make one or more decisions. The processing may also involve artificial intelligence or machine learning techniques to analyze anomalous occurrences, or generative artificial intelligence to interface with a user or improve the performance of camera-based systems. Algorithms may also be used to improve the performance of generative artificial intelligence processing. The camera output may be fused with data from other sensors, and the camera may also capture information about the pose or gestures of a user.

公开(公告)号：US11823927B2

公开(公告)日：2023-11-21

申请号：US17229197

申请日：2021-04-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyunghun Han ,  Ingi Kim ,  Sangwoo Bae ,  Jungchul Lee ,  Minhwan Seo ,  Myeongock Ko ,  Youngjoo Lee ,  Taehyun Kim ,  Seulgi Lee

IPC: G01J3/14 ,  H01L21/67 ,  G02B7/02 ,  G06T5/20 ,  G06T7/00 ,  G01N21/41 ,  G01N21/95 ,  G01N21/65

CPC classification number: H01L21/67288 ,  G01N21/41 ,  G01N21/65 ,  G01N21/9505 ,  G02B7/021 ,  G06T5/20 ,  G06T7/0004 ,  G01N2021/653 ,  G01N2201/06113 ,  G06T2207/30148

Abstract: A wafer inspection apparatus includes: an objective lens on an optical path of first and second input beams; and an image sensor configured to generate an image of the wafer based on scattered light according to a nonlinear optical phenomenon based on the first and second input beams, wherein the first input beam passing through the objective lens is obliquely incident on the wafer at a first incident angle with respect to a vertical line that is normal to an upper surface of the wafer, the second input beam passing through the objective lens is incident on the wafer at a second incident angle oblique to the vertical line that is normal to the upper surface of the wafer, and the first and second incident angles are different from each other.

公开(公告)号：US11662251B1

公开(公告)日：2023-05-30

申请号：US17688227

申请日：2022-03-07

Applicant: Wavefront Research, Inc.

Inventor： Thomas A. Mitchell

IPC: G01J3/28 ,  G01J3/02 ,  G01J3/36 ,  G01J3/14 ,  G01J3/18

CPC classification number: G01J3/2823 ,  G01J3/02 ,  G01J3/0208 ,  G01J3/14 ,  G01J3/18 ,  G01J3/28 ,  G01J3/36 ,  G01J2003/2826

Abstract: An imaging optical system including a plurality of imaging optical sub-systems, each having at least one optical element and receiving light from a source, and a plurality of spectrometer optical sub-systems, each spectrometer optical sub-system receiving light from at least one of the imaging optical sub-systems, each imaging optical sub-system and spectrometer optical sub-system combination having a spatial distortion characteristic, each spatial distortion characteristic having a predetermined relationship to the other spatial distortion characteristics.

公开(公告)号：US11598757B2

公开(公告)日：2023-03-07

申请号：US17659136

申请日：2022-04-13

Applicant: Phoseon Technology, Inc.

Inventor： Shiou-jyh Ja

IPC: G01N30/74 ,  G01J3/51 ,  G01J3/02 ,  G01J3/10 ,  G01J3/14 ,  G02F1/37 ,  G02F1/35

Abstract: Methods and systems are provided for separating polarized UV light. In one example, a method may include passing polarized source light through a group of at least four prisms to collimate and separate a second-harmonic generation (SHG) beam from a pump beam. The separated SHG beam may then be further passed through a spatial filter to reduce spatial distribution.

公开(公告)号：US11596311B2

公开(公告)日：2023-03-07

申请号：US17666518

申请日：2022-02-07

Applicant: Omni Medsci, Inc.

Inventor： Mohammed N. Islam

IPC: A61B5/00 ,  G01J3/10 ,  G01J3/28 ,  G01J3/14 ,  G01J3/453 ,  G01J3/42 ,  G01J3/02 ,  G01N21/35 ,  G16H40/67 ,  G01N21/359 ,  A61B5/145 ,  G01N33/15 ,  G01N33/49 ,  G01N21/3563 ,  G01N21/39 ,  G01N33/02 ,  G01N33/44 ,  G01N21/88 ,  A61B5/1455 ,  G16Z99/00 ,  A61C19/04 ,  G01N21/3504 ,  H01S3/30 ,  G01J3/18 ,  G01J3/12 ,  G01N21/85 ,  G01N21/95 ,  H01S3/067 ,  H01S3/00 ,  G01M3/38 ,  A61C1/00

Abstract: A measurement system is provided with an array of laser diodes with one or more Bragg reflectors. At least a portion of the light generated by the array is configured to penetrate tissue comprising skin. A detection system configured to: measure a phase shift, and a time-of-flight, of at least a portion of the light from the array of laser diodes reflected from the tissue relative to the portion of the light generated by the array; generate one or more images of the tissue; detect oxy- or deoxy-hemoglobin in the tissue; non-invasively measure blood in blood vessels within or below a dermis layer within the skin; measure one or more physiological parameters based at least in part on the non-invasively measured blood; and measure a variation in the blood or physiological parameter over a period of time.

公开(公告)号：US11561407B2

公开(公告)日：2023-01-24

申请号：US17034132

申请日：2020-09-28

Applicant: Cymer, LLC

Inventor： Eric Anders Mason

IPC: G02B26/00 ,  G02B27/14 ,  G02B27/12 ,  G02B5/04 ,  G02B27/42 ,  G01J3/06 ,  G01J3/14 ,  G01J3/18 ,  G03F7/20 ,  H01S3/08 ,  H01L21/027 ,  H01S3/00 ,  H01S3/23 ,  G01J3/12 ,  H01S3/225

Abstract: A spectral feature selection apparatus includes a dispersive optical element arranged to interact with a pulsed light beam; three or more refractive optical elements arranged in a path of the pulsed light beam between the dispersive optical element and a pulsed optical source; and one or more actuation systems, each actuation system associated with a refractive optical element and configured to rotate the associated refractive optical element to thereby adjust a spectral feature of the pulsed light beam. At least one of the actuation systems is a rapid actuation system that includes a rapid actuator configured to rotate its associated refractive optical element about a rotation axis. The rapid actuator includes a rotary stepper motor having a rotation shaft that rotates about a shaft axis that is parallel with the rotation axis of the associated refractive optical element.

公开(公告)号：US20230003504A1

公开(公告)日：2023-01-05

申请号：US17943474

申请日：2022-09-13

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 ,  G02B26/08 ,  G02B7/182 ,  G01J3/02 ,  B81B3/00 ,  G01J3/10 ,  G01J3/14 ,  G02B27/14 ,  G01J3/45 ,  G01J3/453

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.

公开(公告)号：US20220373392A1

公开(公告)日：2022-11-24

申请号：US17763957

申请日：2020-10-28

Applicant: TimeGate Instruments Oy

Inventor： Lauri Kurki ,  Ilkka Alasaarela ,  Jussi Tenhunen

IPC: G01J3/44 ,  G01J3/02 ,  G01J3/14 ,  G01J3/26 ,  G01J3/18

Abstract: An apparatus for measuring time-resolved optical spectrum includes a light source, a sensor for collecting, forming, manipulating and measuring the intensity of the optical radiation, and a controller coupled to the light source and sensor. The sensor includes at least one optical delay element to provide a time delay to a first portion of the optical radiation. The sensor arrangement further includes an optical spectral disperser to split the delayed first portion and the second portion of the optical radiation into dispersed radiation having a plurality of wavelengths, and a sensor element configured to receive each wavelength of the dispersed radiation on a different spatial region, and measure the light intensity associated with each wavelength of the dispersed radiation. The controller collects the light intensity associated with each wavelength of the dispersed radiation measured by the sensor element to form a time-resolved optical spectrum.