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Matches 51 - 100 out of 2,567

Document Document Title
WO/2022/074272A1
An instrument for manipulating a light wavefront, and a method for manipulating a light wavefront. The instrument for manipulating a light wavefront comprises: - two or more active light modulation areas, and - an optical system that det...  
WO/2022/058173A1
The invention relates to a method for controlling a delay (I) between a first light pulse, called the pump pulse, and a second light pulse, called the probe pulse, the pump pulse, but not the probe pulse, having an intensity and/or a wav...  
WO/2022/048899A1
Disclosed is a wavefront sensor for measuring a wavefront of a radiation. The wavefront sensor comprises a mask comprising a pattern located in path of the radiation to interact with the radiation. The radiation impinging on the mask for...  
WO/2022/028922A1
A method for reconstructing the wavefront of a light beam by analyzing wavefront-gradient data of said light beam, the light beam containing at least one optical vortex, considering the contribution of the optical vortices to the wavefro...  
WO/2022/023619A1
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 inspection system comprising an optical measure...  
WO/2022/025385A1
A system for measuring the thickness and physical properties of a thin film using a spatial light modulator according to the present invention is characterized by comprising: a spatial light modulator in which light that has departed a l...  
WO/2021/262373A1
Information relating to an etalon is accessed, the etalon being associated with a calibration parameter having a pre-set default value, the etalon being configured to produce an interference pattern including a plurality of fringes from ...  
WO/2021/258184A1
In a general aspect, a wavelength of light is measured. In some aspects, a wavelength measurement system includes an interferometer, a camera system, a sensor and a control system. The interferometer includes two reflective surfaces and ...  
WO/2021/253989A1
A system for performing terahertz wave coherent detection by using liquid water, comprising a laser (1), a light splitter (2), an optical parametric amplifier (3), a chopper (4), a planar reflection mirror (5), a first convex lens (6), a...  
WO/2021/248698A1
An absolute gravity meter based on optical tweezers in vacuum, and a measurement method. A micro-nano particle releasing device is internally provided with micro-nano particles, and is located above laser optical tweezers; two beams of c...  
WO/2021/246602A1
The present invention relates to a device for measuring reflectance and incident light quantity. Specifically, according to one embodiment of the present invention, the device comprises: a light source; a light splitter for splitting the...  
WO/2021/229575A1
There are provided systems and methods for digital optical aberration correction and spectral imaging. An optical system may comprise an optical imaging unit, to form an optical image near an image plane of the optical system; a wavefron...  
WO/2021/216602A1
Methods, systems and devices are disclosed to detect and compensate wavefront errors associated with light that spans a large range of wavelengths and different polarization states. One example system includes an optical wavefront sensor...  
WO/2021/196723A1
Disclosed are a laser wavelength measurement device (2) and method. The laser wavelength measurement device (2) comprises: a first optical path assembly and a second optical path assembly, the first optical path assembly and the second o...  
WO/2021/191717A1
A single-shot astigmatic phase retrieval wavefront sensor system (100) includes a single 2-dimensional (2D) grating (110) configured to split an incoming optical beam (112) into plural split beams (114-I) and to modulate each of the plur...  
WO/2021/185301A1
Disclosed are a wavelength measurement device and a wavelength measurement method, belonging to the technical field of wavelength measurement. The wavelength measurement device comprises an etalon, a rotation component, an optical splitt...  
WO/2021/169518A1
A wavelength meter, a method for obtaining a parameter of the wavelength meter, and a method for online calibration, which relate to the technical field of optical communications. The wavelength meter comprises a first optical splitter (...  
WO/2021/172135A1
A spatial light modulator 8 is provided on a plane conjugate to a sample plane on which a sample 2 is disposed, and spatially modulates illumination light SILL which illuminates the sample 2 or object light SOBJ which the sample 2 transm...  
WO/2021/160697A1
The present invention relates to a spectroscopic method to analyse a radiation having an unknown characteristic, the method comprising: • providing a substrate (3) defining a first surface (4a); • providing a liquid specimen (4) defi...  
WO/2021/161986A1
This film thickness measuring device comprises: a light radiation part that radiates light onto a target in a planar manner; an optical element, for which the transmittance and reflectance change according to wavelength in a specified wa...  
WO/2021/161854A1
This height measurement apparatus is provided with: a light irradiation unit that irradiates a sample, at an angle inclined with respect to a height direction of the sample, with irradiation light including a plurality of luminous fluxes...  
WO/2021/151792A1
The invention relates to a method and a device for characterising a coherent light field (1) in amplitude and phase, the method having the following steps: • providing an object (10) with known transmission function T(x,y) for the ligh...  
WO/2021/152161A1
Method and device for diagnosing the compression quality of an ultra-short pulse, consisting in approximating the Strehl ratio through: - a first step for measuring spatio-spectral images of the initial ultra-short light pulse (Ii) using...  
WO/2021/116172A1
The disclosure relates to a wavelength reference unit for an interferometric measuring device, the wavelength reference unit comprising: - an elongated light-transmissive reference body comprising a first end and a second end, - a first ...  
WO/2021/111091A1
The invention relates to an optical spectrometer (2) comprising: - a first detector (14) configured to deliver a measurement signal, and a first optical filter (16) at the entrance of the first detector and having a transmittance that va...  
WO/2021/093259A1
An arbitrary singularity beam order detection device and method. The device comprises: a singularity beam generating module for generating singularity light having arbitrary topological charge and polarization order of orthogonal linear ...  
WO/2021/086801A1
Reference and test waves are directed in a common path mode in a fiber tip diffraction interferometer. A first fiber can be used to generate the reference wave and a second fiber can be used to generate the test wave. Each fiber can incl...  
WO/2021/085765A1
A spectroscopic polarimeter according to an embodiment of the present invention comprises: a light source attaching and detaching part to which a light source is detachably coupled; a polarization interferometer which splits light, emitt...  
WO/2021/083043A1
Disclosed is an exposure light beam phase measurement method in laser interference photolithography, the method comprising: separating measurement light from an exposure light beam for laser interference photolithography and inputting th...  
WO/2021/086236A1
The invention relates to the field of optics and quantum physics and concerns a teaching and research laboratory bench for studying the polarization and correlation properties of single-photon, two-photon, coherent and thermal light fiel...  
WO/2021/078474A1
An apparatus for and method of sensing alignment marks in which a self-referencing interferometer based sensor outputs standing images of the alignment marks and camera device is used to capture the images as output by the sensor and a d...  
WO/2021/049007A1
This wavefront measurement device is configured provided with: a reading unit (9) which, when light transmitted through a test piece (2) or light reflected by the test piece (2) is condensed by each of multiple lenses (6-1)-(6-N) and ima...  
WO/2021/049006A1
This wavefront measurement device is configured so as to be provided with: a relative position computation unit (9) such that, when light beams that have passed through a subject (2) or light beams that were reflected by the subject (2) ...  
WO/2021/036396A1
A method for realizing complex coherence degree measurement of a random light field by using light intensity correlation, comprising the following steps: establishing a test light path; rotating a quarter-wave plate (3) to enable a fast ...  
WO/2021/009913A1
A photoelectric conversion device (10) outputs the result of photoelectric conversion of interference light iL obtained through interference in an interferometer (11) of wavelength-swept light Lx output from a wavelength-sweeping light s...  
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...  

Matches 51 - 100 out of 2,567