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WO/2022/034660A1 |
The purpose of the present disclosure is to provide a branching ratio measurement device, a branching ratio measurement method, and an optical multiplexing/demultiplexing circuit manufacturing method which make a light source for measure...
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WO/2022/027817A1 |
A detection method and detection device (20) for white spot abnormalities of a display device. The detection method comprises: identifying all white spot abnormalities in a display screen of a display device (S110); weighing the number o...
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WO/2022/030292A1 |
This optical device comprises: a photometry unit (12A); a first optical unit (11A); a photometry unit (12B); and a second optical unit (11B). The first optical unit (11A) includes: a first lens (22A) disposed closest to the object side; ...
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WO/2022/029995A1 |
The purpose of the present invention is to provide an electric field distribution fluctuation cycle measuring method and an electric field distribution fluctuation cycle measuring device capable of estimating the fluctuation cycle of an ...
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WO/2022/031519A1 |
Different users of head-mountable devices have different needs for vision correction. A system can be provided to determine the corrective lenses that are most appropriate for a given user. A dispenser can contain a variety of different ...
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WO/2022/024248A1 |
In an optical transmission system (100), a loss generator (1) that generates a loss in an optical signal passing through an optical path is provided in each segment of the optical path, and a failure point specifying device (3) has: an i...
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WO/2022/023888A1 |
An ADAS calibration system (1) for calibrating at least one headlamp (HL) of a vehicle (100), comprising: - a support (2); - laser meters (3) mounted on the support (2) for detecting the distances of two front or rear wheels of the vehic...
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WO/2022/023979A1 |
A method for determining geometrical parameters of a soft contact lens comprises the steps of - providing an OCT imaging device comprising an OCT light source; - providing a soft contact lens - arranging the soft contact lens relative to...
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WO/2022/018670A1 |
The present invention describes a real-time monitoring system for passive optical fiber networks for use under DWDM, GPON, XGPON, technologies, or others, in a permanent and non-intrusive manner. The system developed allows, in a non-lim...
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WO/2022/011487A1 |
A continuous condition monitoring (CCM) system for conveyor belts is disclosed, based on a distributed optical fibre sensor, comprising: a pulse generator section (A) comprising: a laser emitter (6), an electrical pulse generator (7) and...
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WO/2022/006811A1 |
A system for testing spectral response speed of a tunable filter (4), comprising a collimating light source, a light splitting element (5), a focusing lens (6), and a light spot position imaging recording device (7) which are sequentiall...
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WO/2022/008909A1 |
Disclosed is a method of inspecting the surface of a transparent test object (22), the method comprising: a. positioning a transparent test object between an electronic display screen (12) and the lens (18) of a digital camera (14); b. u...
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WO/2022/009727A1 |
An optical fiber characteristic measurement device (1) comprises: a light detection unit (16) that detects Brillouin scattered light (LS) obtained by injecting light into optical fiber under test (FUT); a signal processing unit (18b) tha...
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WO/2021/259117A1 |
An optical fiber measurement method, system (200) and apparatus (900), which are used for measuring an effective cross-sectional area of an optical fiber. Detection signals, which are respectively a first detection signal and a second de...
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WO/2021/260855A1 |
The purpose of this invention is to provide an optical fiber evaluation device and optical fiber evaluation method for simply and highly accurately evaluating an MCF cladding center and the deviations of the centers of each MCF core from...
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WO/2021/259426A1 |
The invention relates to a THz measurement method for surveying a measurement object (6), for example a pipe made of plastic or rubber, comprising - a calibration step of measuring an unbroken time of flight of at least one THz emission ...
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WO/2021/259745A1 |
A transmissive diffraction grating for a phase-stepping measurement system for determining an aberration map for a projection system comprises an absorbing layer. The diffraction grating is for use with radiation having a first wavelengt...
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WO/2021/255113A1 |
The invention relates to a measuring system for measuring a light source in a polarisation-independent manner, said measuring system comprising: a camera (5) having a plurality of image sensors (12) arranged in the form of a matrix; and ...
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WO/2021/253920A1 |
An aerosol atomization device (100), a test device (200), a control method therefor, and a control apparatus thereof (300). The aerosol atomization device (100) comprises: a trigger signal reception unit (140), used for receiving a trigg...
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WO/2021/251473A1 |
Provided is a bend-imparting device 30 having at least three mandrels (exemplified by a fixed mandrel 55 and a moving mandrel 65), the bend-imparting device 30 imparting a bend to a delivered optical fiber F by winding the optical fiber ...
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WO/2021/251474A1 |
This optical fiber bending loss measuring method is for calculating an optical fiber bending loss by applying bending to an optical fiber F through use of a plurality of mandrels (e.g., fixed mandrels 55 and movable mandrels 65) that are...
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WO/2021/250179A1 |
The invention relates to a measuring system and method for measuring the radiometric and photometric properties of a planar light source, comprising a goniometer, a measuring microscope (1), which is positionable and alignable along one ...
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WO/2021/252508A1 |
Aspects of the present disclosure describe a method for estimating mode field distribution in optical fibers from guided acoustic-wave Brillouin scattering wherein light for which the optical mode-field distribution is determined remains...
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WO/2021/245826A1 |
The purpose of the present invention is to provide an optical fiber testing method and device by which a delay ratio between modes at each position of a fiber can be measured, the fiber being a long distance fiber along which a plurality...
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WO/2021/247771A1 |
Aspects of the present disclosure are directed to systems, methods, and structures providing for the accurate measurement of guided acoustic-wave Brillouin scattering in optical fiber transmission systems and facilities.
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WO/2021/246125A1 |
This optical waveform measurement device comprises: a detection means (13) for detecting candidates of a light-amount fluctuation frequency of a measurement target (100); a frequency determination means (14) for determining the light-amo...
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WO/2021/245825A1 |
The objective of the invention is to enable the detection of microbends even in cases of increasing and decreasing microbend losses. The invention is a device that measures a transmission loss in a measurement target optical fiber unde...
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WO/2021/238564A1 |
The present invention relates to the technical field of display, and provides a display device and a distortion parameter determination method, apparatus and system thereof, and a storage medium. According to the method, a VR image and a...
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WO/2021/232339A1 |
Disclosed in the present invention is an interface device of an optical fiber test instrument, comprising an optical fiber detection interface board, an adapting unit, a standard connector assembly, and a detector, wherein the optical fi...
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WO/2021/228723A1 |
A method for interferometrically measuring a shape of a surface (12) of a test object (14) comprises the following steps: generating a test wave (34) and at least two calibration waves (36-1, 36-2) from an input wave (18) by means of a d...
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WO/2021/230205A1 |
The present invention includes: an input unit (110) that inputs disability glare evaluation information obtained by evaluating disability glare; and an evaluation formula generation unit (120) that generates a disability glare occurrence...
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WO/2021/227992A1 |
An apparatus for measuring a laser linewidth based on a cyclic self-heterodyne method. The apparatus comprises a laser to be measured (1); the laser to be measured (1) is sequentially connected to an optical fiber adjustable attenuator (...
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WO/2021/224254A1 |
The invention relates to a testing device for an active optical sensor (10). The testing device comprises an imaging optical system (20), which comprises at least a first optical element (30) and a second optical element (35), the first ...
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WO/2021/223526A1 |
A gamma debugging method and apparatus. The method comprises: according to a preset gamma curve, determining a target binding point corresponding to a low gray-scale fault of an OLED module to be debugged (S301); according to an RGB meas...
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WO/2021/223956A1 |
The invention relates to a method and a device for inspecting the surface of a mirror, in particular for microlithography. A method according to the invention comprises the following steps: Carrying out at least one roughness measurement...
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WO/2021/224211A1 |
The invention relates to a method and associated test apparatus (2) for testing an optical system (34) in respect of at least one optical property. In said method, a point light bundle (30) is generated by means of a light source (4) and...
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WO/2021/220267A1 |
Optical sample characterization facilitates measurement and testing at any angle in a full range of angles of light propagation through an optical sample, such as a coated glass plate, having a higher than air index of refraction. A rota...
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WO/2021/212710A1 |
A device and method for measuring an upper energy level lifetime of a CO2 laser amplifier (20). The device comprises: a signal trigger (10) used to send a trigger signal to a CO2 laser amplifier (20) under measurement so as to activate t...
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WO/2021/212566A1 |
A method and device for determining a gamma value, and a display terminal (300). The method comprises: (101) acquiring a plurality of target grayscales from within a grayscale range of a display panel (341); (102) determining a local gam...
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WO/2021/214879A1 |
Provided is a method for evaluating the optical phase shift amount of a given optical signal path by extracting information about a plurality of optical signal path structural parameters from an optical circuit image and an optical signa...
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WO/2021/208349A1 |
An integrating sphere photometer spectral response measurement method and system. The system comprises an integrating sphere photometer and three or more reference light sources having different peak wavelengths. The integrating sphere p...
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WO/2021/211606A1 |
An apparatus, system and method for testing a micro-optical component system. The apparatus, system and method may include a receiver for receiving the micro optical component system; a light source; and a coupler for passing aspects of ...
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WO/2021/209569A1 |
The invention relates to an optical fiber connection measurement system, configured to test distal connection quality of individual outgoing optical fibers at a hub, comprising a test module, to test a distal connection quality of one of...
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WO/2021/209478A1 |
An interferometric measuring device (1) for measuring a surface (20 30) or profile of an optical element (10) with two opposing surfaces (20, 30) and a measuring method comprising the steps of: - defining at least three measurement point...
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WO/2021/208478A1 |
Disclosed are a display panel detection method and apparatus. In the display panel detection method, by means of automatically searching for an alignment mark of a display panel, the position of the alignment mark of the display panel ca...
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WO/2021/209961A1 |
A battery block (201) comprising battery cells (201a) and a fiber- optic sensing system (202, 203, 205, 206, 204) for the in situ and in operando monitoring of said battery cells (201a), comprising a plurality of fiber-optic sensors (202...
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WO/2021/174804A9 |
Provided are a measurement method and apparatus for a point spread function of a microscope (18), relating to the technical field of optical microscopic measurement. The method comprises: determining a first position coordinate of an opt...
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WO/2021/196548A1 |
A distance determination method, apparatus and system, relating to the technical field of image processing. The distance determination method comprises: acquiring a primary visual image photographed by a primary camera and an original se...
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WO/2021/197857A1 |
The invention relates to a method for determining an index-of-refraction profile of an optical object (22), which has a cylindrical surface (26) and a cylinder longitudinal axis (25), said method comprising the following method steps: (a...
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WO/2021/201052A1 |
The objective of the present invention is to provide a lens and an optical system device with which optical characteristics of a light source and an optical element can be measured in a simple configuration. A lens 1 has an optical axi...
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