Prism to enable large FOV high resolution sampling with smaller FOV imaging system

    公开(公告)号:US12124060B2

    公开(公告)日:2024-10-22

    申请号:US17564190

    申请日:2021-12-28

    Applicant: MLOptic Corp

    CPC classification number: G02B5/04 G02B27/0172 G02B2027/0123

    Abstract: A prism module for enabling a large field of view high resolution sampling of incoming rays, the prism module including a plurality of elongated prisms disposed about a central axis, each of the prisms including a fore surface; an aft surface; and a reflecting surface connected on a first edge to the fore surface and connected on a second edge to the aft surface, wherein the fore surface is configured to receive the incoming light rays orthogonally disposed with respect to the fore surface, the reflecting surface configured to reflect the incoming light rays to cause outgoing light rays to exit at a right angle through the aft surface to form an image with a maximum distortion not recognizable by a human eye.

    MULTI-CONFIGURABLE WAVEFRONT TESTER
    2.
    发明公开

    公开(公告)号:US20240319041A1

    公开(公告)日:2024-09-26

    申请号:US18620384

    申请日:2024-03-28

    Applicant: MLOptic Corp

    CPC classification number: G01M11/0257

    Abstract: A wavefront tester for measuring the wavefront of a sample via an optical path, the wavefront tester including a mirror, an imaging lens, an aperture, a beam splitter, a wavefront sensor, a lens selection system including a plurality of optical lenses, a suitable optical lens of which is commensurate with the sample and selected to be disposed in the optical path and a light source directed in a first direction through the optical path by the beam splitter through the suitable optical lens and the sample to the mirror such that the light source is redirected in a second direction opposite the first direction through the optical path and the beam splitter, the aperture and the imaging lens to be received at the wavefront sensor.

    Extended reality virtual distance measurement method

    公开(公告)号:US11796821B1

    公开(公告)日:2023-10-24

    申请号:US18143838

    申请日:2023-05-05

    Applicant: MLOptic Corp

    Inventor: Pengfei Wu Wei Zhou

    CPC classification number: G02B27/0172

    Abstract: A method for providing a virtual distance of a device under test using a system including a light source, a wedge shear plate, a first detector and a second detector, wherein the wedge shear plate is disposed between the device under test and the light source, the first detector configured for receiving a first interference pattern formed as a result of the light source being disposed through and reflected by the wedge shear plate, and the second detector configured for receiving a second interference pattern formed as a result of the light source being disposed through and reflected by the wedge shear plate, the method including obtaining the first interference pattern using the first detector, obtaining the second interference pattern using the second detector and determining the virtual distance based on the first interference pattern, the second interference pattern, the light source and the wedge shear plate.

    Special-shaped plane mirror
    4.
    发明授权

    公开(公告)号:US11644603B2

    公开(公告)日:2023-05-09

    申请号:US17549619

    申请日:2021-12-13

    Applicant: MLOptic Corp

    CPC classification number: G02B5/09

    Abstract: A special-shaped plane reflecting mirror including a first reflecting mirror, a second reflecting mirror, a third reflecting mirror, a fourth reflecting mirror and a fifth reflecting mirror; wherein the second reflecting mirror and the fourth reflecting mirror are constructed the same and symmetrically arranged on both sides of the first reflecting mirror, the third and fifth reflecting mirrors have the same structure and are arranged symmetrically on both sides of the first reflecting mirror, the first reflecting mirror is placed at an angle of 45° with the horizontal plane, and the second reflecting mirror. The first mirror is placed at an angle of 45° with the horizontal plane, the angle between the reflection surface of the second mirror and the reflection surface of the first mirror is 165°, and the angle between the reflection surface of the third mirror and the reflection surface of the first mirror is 163°.

    Binocular calibration target
    5.
    发明授权

    公开(公告)号:US11474324B1

    公开(公告)日:2022-10-18

    申请号:US17683295

    申请日:2022-02-28

    Applicant: MLOptic Corp

    Abstract: A system for providing two parallel light beams spaced-apart a selectable distance, the system including: a first beam splitter configured for reflecting a light beam from a light source to create a first datum light beam, the first beam splitter is fixedly attached to a base; a second beam splitter configured for reflecting a transmitted light beam from the light beam from the light source to create a second datum light beam, a third beam splitter configured for reflecting a transmitted light beam from the light beam from the light source to create a third datum light beam, a fourth beam reflecting device configured for reflecting a transmitted light beam from the light beam from the light source to create a fourth light beam. Each of the second, third beam splitters and fourth beam reflecting device is configured to be slidingly attached to the base.

    Method for detecting lens cleanliness using spectral differential flat field correction

    公开(公告)号:US11300527B1

    公开(公告)日:2022-04-12

    申请号:US17485240

    申请日:2021-09-24

    Applicant: MLOptic Corp

    Abstract: A method for detecting lens cleanliness of a lens disposed in a flat-field optical path, the flat-field optical path including a light source, the lens, a camera, the light source is a narrow-band multispectral uniform surface light source, the camera's light-sensitive surface is disposed perpendicular to an optical axis of the lens and in the light position of the lens, the method including collecting the bright-field image data and dark-field image data in a plurality of spectra through the lens; for each pixel, performing a spectral differential flat-field correction operation to yield a plurality of spectral differentials; and displaying the spectral differentials in the form of a plurality of images to show a uniformity of each of the plurality of images, wherein a non-uniform area on each of the plurality of images is determined to have been caused by an impurity of the lens.

    Extended reality virtual distance measurement system

    公开(公告)号:US11867507B1

    公开(公告)日:2024-01-09

    申请号:US18143843

    申请日:2023-05-05

    Applicant: MLOptic Corp

    Inventor: Pengfei Wu Wei Zhou

    CPC classification number: G01B9/02098 G01B9/02041

    Abstract: A system for providing a virtual distance of a device under test, the system including a light source, a wedge shear plate including a first surface, a second surface and a wedge angle, wherein the second surface is disposed at the wedge angle with respect to the first surface and the wedge shear plate is configured to be disposed between the device under test and the light source, a first detector configured for receiving a first interference pattern formed as a result of the light source being disposed through and reflected by the first surface and the second surface of the wedge shear plate and a second detector configured for receiving a second interference pattern formed as a result of the light source being disposed through and reflected by the first surface and the second surface of the wedge shear plate.

    Dimming tester station
    8.
    发明授权

    公开(公告)号:US11740156B1

    公开(公告)日:2023-08-29

    申请号:US18093314

    申请日:2023-01-04

    Applicant: MLOptic Corp

    CPC classification number: G01M11/0285

    Abstract: A dimming tester station for testing an optical object, the optical object disposed along an axis represented by a central axis of the optical object, the dimming tester station including a motion stage for supporting the optical object, wherein the optical object is disposed between at least one camera with an entrance pupil of the at least one camera disposed in a first plane and a light emitting panel configured to emit light through a front surface disposed in a second plane, the central axis is substantially perpendicular to the first plane and the second plane, the entrance pupil of the at least one camera is disposed in an orientation facing at least a portion of the front surface, the motion stage is configured to be adjustable such that the location of the optical object from each of the first plane and the second plane is alterable.

    Electromagnetic wave-trapping device

    公开(公告)号:US11694819B1

    公开(公告)日:2023-07-04

    申请号:US18090379

    申请日:2022-12-28

    Applicant: MLOptic Corp

    Inventor: Pengfei Wu Wei Zhou

    CPC classification number: G21K1/00 G02B5/005

    Abstract: An electromagnetic wave-trapping device including two surfaces, each disposed in a plane, the two surfaces disposed at a first angle with respect to one another to form an opening, one of the two surfaces is configured to be orientated such that an incident electromagnetic ray through the opening, is disposed at a second angle with respect to the one of the two surfaces.

    NOVEL PRISM TO ENABLE LARGE FOV HIGH RESOLUTION SAMPLING WITH SMALLER FOV IMAGING SYSTEM

    公开(公告)号:US20230204831A1

    公开(公告)日:2023-06-29

    申请号:US17564190

    申请日:2021-12-28

    Applicant: MLOptic Corp

    CPC classification number: G02B5/04 G02B27/0172 G02B2027/0123

    Abstract: A prism module for enabling a large field of view high resolution sampling of incoming rays, the prism module including a plurality of elongated prisms disposed about a central axis, each of the prisms including a fore surface; an aft surface; and a reflecting surface connected on a first edge to the fore surface and connected on a second edge to the aft surface, wherein the fore surface is configured to receive the incoming light rays orthogonally disposed with respect to the fore surface, the reflecting surface configured to reflect the incoming light rays to cause outgoing light rays to exit at a right angle through the aft surface to form an image with a maximum distortion not recognizable by a human eye.

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