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Patent Searching and Data


Matches 1 - 50 out of 3,343

Document Document Title
WO/2020/249339A1
The invention provides an interferometer system to determine a position of a movable object, comprising: a laser source to provide a radiation beam, an optical system arranged to split the radiation beam into a first beam along a first o...  
WO/2020/240499A1
An image acquisition and processing apparatus (1) to determine a physical property of a product (2) movable along an advancement direction (A) comprises: - a source of electromagnetic radiation (9) arranged to generate a beam of electrom...  
WO/2020/234989A1
The purpose of the present invention is to provide a phase measurement method and a signal processing device capable of reducing the influence of noise of a measuring instrument without increasing the peak intensity of incident light pul...  
WO/2020/225053A1
The invention relates to a method for characterizing and operating a display (100), in particular a light-field display or a display with or without a phase screen, comprising: an input stage wherein at least one test signal is provided ...  
WO/2020/223584A1
A method includes directing a first plurality of probe laser pulses through a sample, dividing each of the first plurality of probe laser pulses to generate a first interferogram, and generating first image data reproducible as a first p...  
WO/2020/198324A1
A method for detecting an analyte includes providing a sensor that includes a plurality of coupled polaritonic structures having polaritonic resonances. A surface of at least one of the polaritonic structure in the sensor is functionaliz...  
WO/2020/194856A1
Without incorporating an expensive device, this invention uses signal processing to prevent fading from causing accuracy degradation. This invention comprises: a light source unit that produces optical pulses as probe light, a light rece...  
WO/2020/193032A1
A method for determining wavefront shapes of a multi- spectral signal light beam (12) from a single signal image acquisition of said multi-spectral signal light beam (12), with a device (16) comprising an optical assembly made at least o...  
WO/2020/165481A1
The present invention relates to a microscope for quantitative wavefront measurements, which comprises: means for illuminating a sample (T); a lens (2); an ordered two-dimensional arrangement of lenses (3) with a spacing p μ greater tha...  
WO/2020/157265A1
According to one aspect, the present description relates to a device (110) for analysing a wavefront, configured to be connected to a fluorescence microscopy imaging system (100) with optical sectioning, equipped with a microscope object...  
WO/2020/156867A1
The technical field of the invention is that of systems for inspecting a surface of an optical wave output from an optical device (1), said optical device comprising an exit pupil (3), said inspecting system comprising an optical measure...  
WO/2020/151891A1
Disclosed is a wavefront sensor for measuring a tilt of a wavefront at an array of locations across a beam of radiation, wherein said wavefront sensor comprises a film, for example of Zirconium, having an indent array comprising an inden...  
WO/2020/147887A1
The invention relates to a wavefront sensor comprising a planar aperture mask (1) with a number of apertures (1a), an imaging sensor (6), a reference mask (2) with reference points (2a), and a lens system (5) between the aperture mask (1...  
WO/2020/136346A1
Method for characterising a sample (10), lying in a sample plane, the method comprising the following steps: a) illuminating the sample using a light source (11, 11'), such that, under the effect of the illumination, an image sensor (20)...  
WO/2020/118799A1
Provided is a non-dead-zone cold atom interferometer with high frequency output, comprising: a three-dimensional magnetic optical trap, wherein predetermined included angles are formed between a first group of optical splitters and an at...  
WO/2020/113272A1
The present invention relates to a refractively-scanning interferometer comprising an aperture that receives an incident light beam at a receiving angle, a beam splitter configured to split the incident light beam into a first beam and a...  
WO/2020/115719A1
An optical receiver is provided that includes a detector array of multiple detector elements, and processing circuits coupled to the multiple detector elements. The detector array is configured to receive light from an external source, m...  
WO/2020/110739A1
This invention addresses the problem of enabling high S/N ratio offline phase measurement of scattered light from an optical fiber under measurement using a light reception system for real-time measurement (direct measurement). In this p...  
WO/2020/026206A3
A device and method that belongs to the field of Shack-Hartmann (S-H) wavefront detection,more specifically an adaption of the S-H sensor, with an attachment of customized focusing relay optics, onto opto-mechanical measurement instrumen...  
WO/2020/094484A1
The present invention relates to a system and method for reconstruction of temporal wavefront changes for use in an optical system comprising: measuring the distribution function of the light intensity, e.g. the two-dimensional distribut...  
WO/2020/083626A1
An apparatus is disclosed, comprising an input means for receiving an optical signal from an optical source. The apparatus may also comprise a first interferometer means for receiving the optical signal from the input means and outputtin...  
WO/2020/069792A1
The invention relates to a metrology system and to a method for measuring an excitation laser beam in an EUV plasma source, wherein the excitation laser beam in the EUV plasma source is guided from an excitation laser via a beam control ...  
WO/2020/058623A1
The invention relates to a method for the acquisition of an image by an imaging system (20) comprising a matrix of pixels configured to generate an electric response in the event of exposure to an incident light flux travelling through a...  
WO/2020/036014A1
A light detection device according to one embodiment of the present disclosure is provided with: a light blocking film that comprises a plurality of light transmitting regions and a plurality of light blocking regions, which are alternat...  
WO/2020/035531A1
The invention relates to a device and a method for determining a wavelength of a radiation. The device comprises at least two absorption elements (12, 14) for generating photosignals, wherein the absorption elements (12, 14) are arranged...  
WO/2020/033028A1
Auto-alignment beam tracking apparatus and methods. In one example, an auto- alignment beam tracking system includes an optical train that receives an auto-alignment beam, a linear detector array including a plurality of photosensitive d...  
WO/2020/023054A1
Embodiments of the present disclosure include a low crosstalk, optical fiber based disturbance detection system that includes single-mode optical fiber (SMF) arranged into dual ring Sagnac interferometer wherein both rings share a common...  
WO/2020/022921A1
The invention relates to fibre optics, and more particularly to distributed fibre-optic sensors, in which the parameters of an optical fibre being subjected to the action of external physical fields are measured. In a method for the dist...  
WO/2020/022252A1
Object interference in biological samples generated by lateral shearing interference microscopes is addressed by a shearing microscope slide comprising a periodic structure having alternating reference and sample regions. In some embod...  
WO/2020/015954A1
The invention relates to a method and a device for characterizing the surface shape of an optical element. In a method according to the invention, in at least one interferogram measurement carried out by an interferometric test arrangeme...  
WO/2020/007588A1
A sensor apparatus (300) for determining a position of a target (330) of a substrate (W) comprising, projection optics (315;321) configured to project a radiation beam (310) onto the substrate, collection optics (321) configured to colle...  
WO/2020/008745A1
This defect detection device 10 comprises: an excitation source 11 which can be positioned to a desired point on the surface of a to-be-inspected object S, and which, in said to-be-inspected object, excites an elastic wave having one pre...  
WO/2020/005957A1
Method and apparatus for determining the wavelength of a light beam are provided. An input light beam is received, and light from the input light beam is distributed to multiple channels. At a first pair of interferometer cavities that h...  
WO/2019/244303A1
A microlens array (3), in which the arrangement direction of a plurality of microlenses is inclined in relation to a scanning direction (11A), is scanned by being moved in a direction crossing a light beam (2A) directed toward an imaging...  
WO/2019/244587A1
An image capturing device according to one aspect of the present disclosure is provided with: an optical coupling layer including a grating that has a periodic shape in a certain direction; and a plurality of photodetectors which are dis...  
WO/2019/222614A1
A method is presented for determining path length fluctuations in an interferometer using a reference laser with an arbitrary frequency with respect to the measured light. The method includes: injecting reference light along signal paths...  
WO/2019/220639A1
This moving body observation device has been configured so that a moving body recovery unit (42) detects a region, in which a moving body (1) is present, from a distance image generated by a radar device (30), and estimates a brightness ...  
WO/2019/220638A1
This wavefront measurement device (3) has been configured so that a wavefront estimation unit (28) calculates approximate values of wavefronts of luminous fluxes at an aperture of an imaging optical system (11) from the positions of a pl...  
WO/2019/222616A1
In an aspect, a method for imaging a target comprises steps of: performing optical coherence tomography (OCT) scanning on the target with one or more beams of source light, the one or more beams of source light comprising a plurality of ...  
WO/2019/220640A1
This wavefront measurement device (3) has been configured so that a wavefront estimation unit (41) calculates approximate values of wavefronts of luminous fluxes at all apertures from position of respective condensed light spot images de...  
WO/2019/217850A1
A LIDAR system and method for determining a distance and a velocity of a target. The LIDAR system can include a laser modulated by a laser modulator, an optical combiner, an optical splitter, a photoreceiver, and a control circuit. The o...  
WO/2019/213401A1
Ultrastable lasers serve as the backbone for advanced scientific experiments and enable atomic spectroscopy and laser interferometry at high levels of precision. But is not clear how to realize an ultrastable laser that is compact and po...  
WO/2018/151842A9
A multi-photon wavefront sensor system and method. The system includes a Shack-Hartmann wavefront sensor and a laser excitation source configured to emit a plurality of laser pulses at a wavelength in the near-infrared range, wherein the...  
WO/2019/198485A1
Provided are an optical spectral line width calculation method, a device, and a program, whereby the spectral line width of a laser to be measured can be calculated from an optical interference signal generated by an optical interferomet...  
WO/2019/193788A1
A vibration measurement device 10 comprises: an excitation unit (signal generator 11 and vibrator 12) that excites an elastic wave to an inspection target S; an illumination unit (the wavelength-stabilizing laser light source 13 and illu...  
WO/2019/193761A1
This wavefront measurement device is provided with a heat dissipation unit (14) for releasing heat from a control circuit (12) and an input/output unit (10) to outside of a housing (15) by thermal radiation.  
WO/2019/178822A1
The methods and systems directly measure the optical shear angle and lateral displacement of a light beam passing through a birefringent device (212) with resolution beyond the diffraction limit. The system for measuring the shear angle ...  
WO/2019/149993A1
A passive optical network (100) having an optical-signal monitor (180) configured to monitor carrier- wavelength drifts during optical bursts transmitted between the optical line terminal (110) and optical network units (1601 - 160N) the...  
WO/2019/149515A1
The invention provides a wavelength tracking system comprising a wavelength tracking unit and an interferometer system. The wavelength tracking unit has reflection surfaces at stabile positions providing a first reflection path with a fi...  
WO/2019/142313A1
This wavefront measurement device (2A) comprises: a first pupil-function-generation unit (11) for generating a first pupil function for a fundamental wavelength on the basis of input data for wavefront aberration; a first image-plane-amp...  

Matches 1 - 50 out of 3,343