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WO/2024/083441A1 |
The invention provides a method to determine an absolute position of an object using an interferometer system, comprising the steps of: providing a light beam; splitting the light beam in a measurement beam and a reference beam; guiding ...
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WO/2024/083553A1 |
A method of calibrating a range finder is presented, the range finder comprising a self-mixing interferometer projector (10), an imager (20) and a calibration target (50) placed in a common field-of-view (51) of the projector and imager,...
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WO/2024/083734A1 |
A method for detecting a distance and a relative velocity of a target (21) using a frequency-modulated continuous wave (FMCW) laser device (20) is provided, the method comprising transmitting FMCW laser radiation (LR) by the laser device...
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WO/2024/086402A1 |
Methods, systems and devices are described that enable measurement and characterization of complex laser pulses by relying on three interferograms that are measured simultaneously. The described three-phase spectral interferometry (3PSI)...
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WO/2024/081717A1 |
Aspects of the subject disclosure may include, for example, generating one or more first optical signals, launching the first optical signal into a medium, receiving from the medium one or more second optical signals, mixing the one or m...
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WO/2024/078661A1 |
The invention relates to a measuring method and to an interferometer system for determining a distance of an object from a reference, preferably for measuring an object or a wavefront, the interferometer system comprising: - a tunable me...
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WO/2024/081173A1 |
Each atom in a population of atoms can be characterized by a probability density distribution (FDD). Using a shaken-lattice technique, each FDD is split into a pair of sub-PDDs. The sub-PDDs of a pair are propagated along different paths...
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WO/2024/078823A1 |
A VCSEL element (10) comprises a VCSEL device (100) attached to a substrate (110), which is transparent to electromagnetic radiation (16) emitted by the VCSEL device (100), and a lens (113) for deflecting electromagnetic radiation (16) e...
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WO/2024/075266A1 |
This optical measurement device comprises: a wavelength sweeping light source (1) that outputs sweep light, the wavelength of which continuously changes over time; an irradiation optical system (3) that emits, as measurement light, outpu...
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WO/2024/074368A1 |
An optical path length sensor for sensing a physical quantity of an external source comprises a plurality of lasers, each comprising an optical resonator and a gain medium (31) to produce a laser beam (32a, 32b) in the optical resonator....
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WO/2024/074276A1 |
Methods, and corresponding systems for, determining one or more aberrations of a projection system (for example a projection system of a lithographic apparatus) are disclosed. One method comprises performing a phase stepping or phase sca...
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WO/2024/069173A1 |
A method is provided, for measuring an optical path length of a sample having a first face (126a) and a second face (126b) on an opposing side of the sample to the first face. The method comprises receiving at a detector (150) interferen...
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WO/2024/068961A1 |
A method for measuring an interference fringe period of interference fringes from two combined laser beams includes imaging the combined beams with first and second digital image sensor arrays to produce first and second images, where a ...
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WO/2024/070336A1 |
Provided are an optical fiber cable, a controller connected to same, and an optical interferometric range sensor in which the optical fiber cable and the controller are used, the optical fiber cable making it possible to connect, to a su...
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WO/2024/070034A1 |
The present invention provides a distance measurement device and a distance measurement method that can reduce a distance error caused by polarization. The distance measurement method splits light generated in a laser light source to a r...
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WO/2024/065001A1 |
Slope monitoring systems, prism assemblies and drones are provided, which alleviate the need for personnel to access a slope to be monitored, significantly reducing risk associated with rockfall. The slope monitoring system includes a pl...
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WO/2024/069058A1 |
The invention relates to an optical device for the full-field optical coherence tomography microscopic imaging of at least one sample, the device comprising a lens for observing the sample when in use, the device comprising a specular in...
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WO/2024/070430A1 |
The present invention reduces deviation in sampling timing. A controller (110) is connected, via an optical fiber cable (130), to each of a first sensor head (121) and a second sensor head (122) that irradiate an object to be measured wi...
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WO/2024/065397A1 |
Disclosed are a composite prism having two reflecting surfaces forming a right angle, and a laser ranging telescope thereof. The composite prism comprises a first prism and a second prism, the first prism being a triangular prism, and th...
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WO/2024/070443A1 |
In the present invention, a signal generated by a main interferometer is sampled at a suitable timing. This controller (110) comprises: a light source (140); a main interferometer (150) that generates a main interference signal; an auxil...
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WO/2024/070358A1 |
The present invention makes it possible to easily adjust the length of an optical fiber cable in accordance with the measurement environment. An optical fiber cable according to one embodiment of the present invention is used in an optic...
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WO/2024/056168A1 |
A method of predicting a characteristic of an uncoated pharmaceutical product (101) during a manufacturing process, the method comprising (i) performing the manufacturing process of the uncoated pharmaceutical product (101); and (ii) mon...
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WO/2024/056169A1 |
A method of monitoring a pharmaceutical product (101), the method comprising: manufacturing the pharmaceutical product (101) using a melt-solidification process; and monitoring the pharmaceutical product (101), in particular during the m...
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WO/2024/057646A1 |
An optical coherence tomography (OCT) system comprises an interferometer configured to split incident light into a reference beam and a test beam, and to interfere the test beam reflected from the specimen with the reference beam reflect...
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WO/2024/059069A1 |
The imaging system includes one or more cores. Each of the cores outputs a system output signal that illuminates multiple sample regions in a field of view. A subject one of the cores includes a light combiner that generates a composite ...
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WO/2024/056501A1 |
The invention relates to a method (10) for processing a reference element (14) for an interferometer configured to measure a surface shape of a test object, wherein the reference element (14) is transmissive in relation to a measurement ...
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WO/2024/054444A1 |
An example device includes a stable laser light source for master reference in a Doppler vibrometer scheme, a camera configured to receive scattered light from target and a spatially offset reference beam, and a precision timer for acqui...
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WO/2024/052228A1 |
The invention relates to an interferometry system for characterising analytes present in a fluid medium, the system comprising: at least one light source (11) suitable for emitting an optical signal having predefined power; an array of p...
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WO/2024/054852A1 |
Introduced here is an approach to programmatically addressing the absorbance of light by analyte molecules whose binding, for example, to an interferometric sensor, is being monitored by an interferometric sensing system. A first light s...
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WO/2024/052688A1 |
An imaging system comprising: a light source configured to provide wavelength-swept emission of light; a sample delivery channel coupled to the light source and arranged to be coupled to an object to be imaged to direct light from the li...
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WO/2024/046620A1 |
The invention relates to a device (1) for performing optical coherence tomography (OCT), comprising: an interferometer (1a) for guiding a light beam (4) into a dispersive object to be examined, which object influences the propagation rat...
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WO/2024/048103A1 |
Provided is an optical interferometric ranging sensor that makes it possible to properly measure the distance to a measurement target, while alleviating the influence of light reflected by an optical element disposed in a sensor head. An...
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WO/2024/048120A1 |
A device for measuring the thickness of a workpiece according to the present invention comprises: a housing; a measurement unit that is disposed in the housing and that measures the thickness of the workpiece; and a flow straightener tha...
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WO/2024/041859A1 |
A self-mixing interferometric, SMI, laser sensor (1) comprises a VCSEL (10) configured to emit laser radiation with a linear polarization, a photodetector (20) configured to monitor the laser radiation of the VCSEL (10), and a linear pol...
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WO/2024/037828A1 |
The invention relates to a method for calibrating a measurement scanner on a laser-working optical unit of a laser working device, wherein, by means of a measurement beam, a measurement scan of a test body is created, and the measurement...
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WO/2024/037826A1 |
The present invention relates to a self-mixing interferometry sensor module, comprising a light emitter (LE), a detector unit (DU) and an optical element (OE), wherein the light emitter (LE) is operable to emit coherent electromagnetic r...
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WO/2024/033029A1 |
A device (10) operating according to the principle of optical coherence tomography (10) for measuring distances at a plurality of measuring points (P1 to P5), which are distributed on a line or surface on a workpiece (28), has a polychro...
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WO/2024/033526A1 |
The invention relates to a device (1) for the interferometric checking of optical surfaces (2), comprising a light source (4) designed to generate an exposure beam (5), wherein at least one conversion element (6), in particular a convers...
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WO/2024/030271A1 |
Systems and methods for generating volumetric data are disclosed. Such systems and methods may include scanning a sample at a plurality of focal planes located along a depth direction of the sample. Such systems and methods may include g...
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WO/2024/024767A1 |
A swept-source optical coherence tomography (SS-OCT) apparatus includes a plurality of wavelength-tunable light sources. The SS-OCT apparatus includes a first optical coupler configured to receive an output from each of the plurality of ...
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WO/2024/022917A1 |
A detection device includes a first electromagnetic radiation device, configured to emit first electromagnetic radiation at a first time period, receive a reflection of the first electromagnetic radiation emitted at the first time period...
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WO/2024/026009A2 |
A construction laser level including a housing, a laser mount disposed in the housing and at least one laser generator on the laser mount. The laser mount includes a plurality of heat dissipating fins.
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WO/2024/022753A1 |
A vital sign monitoring device (10) comprises a single-photon source (110), a light out-coupling element (120) for coupling light out of the device (10), a light in-coupling element (130) for coupling light in the device (10), a controll...
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WO/2024/025412A1 |
The invention relates to a position detection system using laser light interferometry for measuring the positions and displacements of an object relative to and within an XYZ system of coordinates, the system comprising a frame and a hol...
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WO/2024/026346A1 |
A compact possibly all free-space line-field swept source OCT system with a tunable cat's-eye laser.
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WO/2024/022714A1 |
An optoelectronic semiconductor device (1) comprising a semiconductor body (10) having a first region (101), a second region (102) and an active region (103) configured to emit or detect electromagnetic radiation in an emission direction...
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WO/2024/017670A1 |
The invention relates to a method for the optical characterisation of a sample, the method comprising: positioning the sample in a field of view of a first microscope objective located in an object arm of an interferometer; generating, b...
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WO/2024/017914A1 |
The invention relates to a measuring assembly (1) for determining at least one distance between a first and a second element (2, 3), wherein the first element is designed to be translucent as a measuring matrix and has a semi-reflective ...
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WO/2024/003758A1 |
A method for evaluating a thick transparent layer, the method includes (i) generating information about relationships between measurements of a spectrometer of an interferometer and optical path difference (OPD) values of the interferome...
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WO/2024/005484A1 |
The present invention relates to a multi-mode shape measurement device and a multi-mode shape measurement method using same. The multi-mode shape measurement device is characterized by comprising: a light source; a selective interferomet...
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