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Matches 1 - 50 out of 11,078

Document Document Title
WO/2018/129104A1
An example holographic video recording system comprises: a first group of cameras positioned at a first positon, a second group of cameras positioned at a second positon, and a third group of camera including a third infrared camera. The...  
WO/2018/128611A1
An apparatus for oral imaging has a light source energizable to generate a light frequency signal ranging from a minimum to a maximum frequency. An image acquisition apparatus scans the generated light frequency signal to successive posi...  
WO/2018/124814A1
A light sensing device, according to an embodiment, for sensing light emitted from a light source, and reflected or scattered from an object comprises: a light transmitting member; and a light sensing unit disposed on the light transmitt...  
WO/2018/125633A1
An apparatus includes first and second light sources, an optical interferometer, one or more light detectors, and an electronic processor. The second light source is configured to output light of a different wavelength than the first sou...  
WO/2018/119077A1
Improved optical coherence tomography systems and methods to measure thickness of the retina are presented. The systems may be compact, handheld, provide in-home monitoring, allow the patient to measure himself or herself, and be robust ...  
WO/2018/119222A1
A system and method for performing Optical Coherence Tomography on a sample utilizes collimated, phase modulated beams of light in an interferometer. At least one of the beams of light utilized exists as an Airy beam for at least a porti...  
WO/2018/116290A1
A system for use in inspection of a sample is described, the system comprises: an illumination unit configured to provide coherent illumination comprising a plurality of at least two wavelengths and direct said coherent illumination onto...  
WO/2018/119264A1
Optical coherent receiver arrays are described. The optical coherent receiver arrays include an integrated array of photodetectors separated by integrated mirrors which may cause interference of received free space optical and local osci...  
WO/2018/108697A1
The present invention relates to an arrangement and a method for single-shot interferometry which can be used for detecting distance, profile, shape, undulation, roughness or the optical path length in or on optically rough or smooth obj...  
WO/2018/109410A1
The invention relates to a method for measuring etch depth comprising the following steps: - separating a light beam (2) into a first, and respectively second, incident beam (21, 22) directed towards a first, respectively second, area (1...  
WO/2018/106368A1
An interferometric measuring machine includes an exchangeable lens module system for an optical probe. The probe includes a lens body containing the optical apparatus of an interferometer and a lens module containing an objective lens al...  
WO/2018/107127A1
An etalon or interferometer based sensor assembly is provided that includes a monolithic polymeric gel layer. A metal-containing overlayer is formed over a top surface of the polymeric gel layer. A metal-containing base layer supports a ...  
WO/2018/106134A1
A waveguide interferometer, particularly an optical-fiber interferometer, used to measure physical parameters, particularly changes in the optical thickness of layers in the reflective configuration, is characterized in that it contains ...  
WO/2018/102915A1
Methods of performing dual-comb interferometry using a dual-comb interferometer and methods of characterizing a volume using dual-comb interferogram data are described.  
WO/2018/102398A1
A white light interferometric metrology device operates in the image plane and objective pupil plane. The interferometric metrology device extracts the electric field with complex parameters and that is a function of azimuth angle, angle...  
WO/2018/102188A1
Techniques for automatic adaptive scanning with a laser scanner include obtaining range measurements at a coarse angular resolution and forming a horizontally sorted range gate subset and a characteristic range. A fine angular resolution...  
WO/2018/102356A1
Heterodyne spectrally controlled interferometry is performed by combining a delay line in Twyman-Green configuration (Fig. 2) with a Fizeau interferometer (Fig. 4). By splitting a white-light beam (L) in the delay line and introducing a ...  
WO/2018/102093A1
Embodiments of the present disclosure relate to systems and methods for noise cancellation and deriving a physical quantity measurement. In accordance with certain embodiments, a noise cancellation system for a solid state spin sensor ca...  
WO/2018/097568A1
The present invention relates to a combustion furnace control system, which controls the combustion furnace by appropriately adjusting a slagging layer generated in the combustion furnace through monitoring of the same. The present inven...  
WO/2018/093637A1
A method for measuring a property of a test object with an interferometer includes: a) providing calibration information relating a focus setting for the interferometer to a position of the test object relative to a reference surface of ...  
WO/2018/090951A1
A wave-front sensor and a wave-front detection method and system based on a microholographic array. The wave-front detection method based on a microholographic array comprises: creating a microholographic array which simultaneously has t...  
WO/2018/089177A1
A wavefront of a light beam that exits an acousto-optic material is estimated; a control signal for an acousto-optic system that includes the acousto-optic material is generated, the control signal being based on the estimated wavefront ...  
WO/2018/086173A1
A spatio-temporally incremental fiber sweep source includes a laser light pulse generator for generating light pulses and a fiber array (24) of individual optical fibers. The fiber array (24) has an input end (21) and an output end (23),...  
WO/2018/089682A1
An optical coherence tomography (OCT) interferometer includes at least a first optical fiber of a first type having a first length, in series with a second optical fiber of a second type which is different than the first type and having ...  
WO/2018/089044A1
Disclosed is an improved system and method to evaluate the status of a material. The system and method are operative to identify flaws and measure the erosion profile and thickness of different materials, including refractory materials, ...  
WO/2018/089948A1
An exemplary system and method for imaging tissue includes using an illumination objective, directing one or multi photon excitation lights onto a portion of a tissue from a position on top and at an oblique angle relative to the tissue ...  
WO/2018/081855A1
A method for measuring and logging the performance of a wheeled vehicle suspension system by measuring the dynamic performance of at least one component of said vehicle suspension system, the method including the steps of: setting the ve...  
WO/2018/084905A1
An adaptive shadow control system that compensates for blockage of one lighthead of a surgical lighting system by increasing the light output from one or more other lightheads of the lighting system. The system also includes control logi...  
WO/2018/083482A1
An interferometric position sensor for sensing the position of an object is disclosed. The position sensor comprises a light source arranged to emit light, a beam splitter, and a detector array. The beam splitter is arranged to split the...  
WO/2018/080372A1
The invention relates to a method for working of a workpiece on which a template (1 ) is attached. The template is provided with guide openings (4, 6, 8,...) in a pattern corresponding to the holes (34) to be formed in the workpiece (2)....  
WO/2018/075691A1
System and method for performance characterization of multi configuration near eye displays includes: a mirror; a lamp; a beamsplitter; a collimating and reflective lens for collimating light reflected from the beamsplitter and reflectin...  
WO/2018/071995A1
When film is unwound from a roll there occurs in the film a tensile force which is caused on the one hand by the resistance of the roll to rotation and on the other by the adhesion of the film to the roll. This tensile force has to be de...  
WO/2018/075668A1
A system for detecting gas leaks and determining their location and size. A data gathering portion of the system utilizes a chosen geometrical configuration to collect path-integrated spectroscopic data over multiple paths around an area...  
WO/2018/072143A1
A method for full-field measurement using Doppler imaging, comprising the following steps: turning on a laser and adjusting the laser; adjusting a spatial filter to obtain circular laser spots having uniform intensity distribution; adjus...  
WO/2018/072749A1
A chip defect detection device and detection method. The chip defect detection device comprises: a light source member (10), for transmitting a beam having at least two wavelengths; a beam splitter (40), for receiving the beam transmitte...  
WO/2018/071523A1
The present invention is directed to an assembly for use in detecting an analyte in a sample based on thin-film spectral interference. The assembly includes a light source to emit light signals; a light detector to detect light signals; ...  
WO/2018/069052A1
Metrology apparatus and methods are disclosed. In one arrangement, a substrate is inspected. A source beam of radiation (131) emitted by a radiation source (50) is split into a measurement beam (132) and a reference beam (133). A first t...  
WO/2018/070442A1
Provided are an apparatus and a method which enable, in light angle modulation measurement of laser light to be measured by a delayed self-heterodyne method, accurate measurement of a time waveform of light angle modulation without any i...  
WO/2018/067372A1
An integrated device including a photodetector, a transparent substrate, and one or more spacers. The photodetector is formed in a portion of a wafer. The one or more spacers separate the photodetector and the transparent substrate.  
WO/2018/067332A3
An en face deep tissue probe comprising optical coherence tomography (OCT) delivered via an optical array comprising an optical deflector/collector, and one or more gradient index lenses to image a target tissue. In one embodiment, light...  
WO/2018/065982A1
Systems and methods are provided, which use at least two coherent light sources with known phase relations between them, which are configured to illuminate a target with at least two corresponding spots, an optical unit comprising a mask...  
WO/2018/058896A1
Disclosed is a frequency stabilization device for a laser interferometer, comprising a circuit control system (9), a laser (2), a guiding light path, a frequency stabilization light path and a laser output light path. The guiding light p...  
WO/2018/063471A2
Systems and methods are provided which utilize optical microcavity probes to map wafer topography by near-field interactions therebetween in a manner which complies with high volume metrology requirements. The optical microcavity probes ...  
WO/2018/063220A1
An apparatus comprises a substrate; a laser emitter arranged on the substrate; a photodiode arranged on the substrate; resin encapsulating the laser emitter and the photodiode, wherein the resin includes a top surface above the laser emi...  
WO/2018/060234A1
A method and setup for phase contrast microscopy is disclosed in the present invention. The improved phase contrast microscopy setup comprises a glass plate (110) for generating two reflected beams (114A,114B,116A,116B) from one sample b...  
WO/2018/061274A1
Provided is a three-dimensional measuring device with which light having different wavelengths can be used to enlarge a measuring range and improve measuring efficiency. A three-dimensional measuring device 1 is provided with: a polarizi...  
WO/2018/063546A1
Example embodiments include an optical assembly for an optical interrogation system having a single core or a multicore sensing fiber, a measurement fiber to couple light into the sensing fiber, and a reference fiber arranged with the me...  
WO/2018/064227A1
Methods and systems for performing spectroscopic reflectometry measurements of semiconductor structures at infrared wavelengths are presented herein. In some embodiments measurement wavelengths spanning a range from 750 nanometers to 2,6...  
WO/2018/057935A1
A method for high-resolution imaging includes: (i) forming, via a first lens, a first image at a first bundle-end of a fiber imaging bundle that has a second bundle-end opposite the first bundle-end and (ii) forming, via a second lens, a...  
WO/2018/055606A1
A high-performance single-chip, integrated-optics-based OCT system is disclosed, where the length of the reference arm is digitally variable. The reference arm includes a plurality of switch stages comprising a 2x2 tunable wavelength-ind...  

Matches 1 - 50 out of 11,078