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Matches 1 - 50 out of 11,136

Document Document Title
WO/2018/178064A1
A method for obtaining a phase shifted shearogram of a target for shearography comprising the steps of irradiating the target with a polarized coherent light beam from a polarized coherent light source, wherein a phase of at least one po...  
WO/2018/182751A1
A first camera and a second camera oriented at different angles and spaced a separation distance to determine surface height measurements. The cameras are focused at a lens focal length to a surface area to record a captured image pair o...  
WO/2018/172119A1
The present invention relates to a low-coherence interferometer apparatus or device (100, 200) for determining information on the structure and/or the location of interfaces of an object (13) comprising: a polychromatic light source (11)...  
WO/2018/171970A1
The invention relates to a position measurement system configured to measure a position of an object, comprising: - a displacement interferometer having a first capture range; - a time-of-flight sensor having a second capture range that ...  
WO/2018/166851A1
The invention describes a laser sensor module (100) for detecting a particle density of particles (10) with a size of less than 20 μm, preferably less than 10 μιη in a fluid, wherein the laser sensor module (100) comprises a laser (1...  
WO/2018/169486A1
According to embodiments of the present invention, an optical imaging device is provided. The optical imaging device includes an optics arrangement having a focusing optics, the optics arrangement configured to generate a plurality of co...  
WO/2018/166883A1
The invention relates to a method for operating a surface-emitting semiconductor laser (2) having an HCG mirror with variable wave number k. A trigger signal (17) is produced on the basis of a time-dependent control voltage U(t) or simul...  
WO/2018/166786A1
An embodiment of the invention relates to a method for carrying out a time-resolved interferometric measurement comprising the steps of generating at least two coherent waves, overlapping said at least two coherent waves and producing an...  
WO/2018/170091A1
An embodiment of a ruggedized interferometer is described that comprises a light source (210) that generates a beam of light; a fixed mirror (207); a moving mirror (205) that travels along a linear path; a beam splitter (215) that direct...  
WO/2018/162303A1
An optical probe (2) for optically examining an object (1) is described, said optical probe having a first optical beam path for a scanning imaging method and a second optical beam path for a spectroscopic method. The optical probe compr...  
WO/2018/160561A1
An Image based handheld imager system is disclosed utilizing consumer-grade 2D camera arrays, while also addressing the problems of image quality, sensitivity, and imaging depth.  
WO/2018/153560A1
The invention relates to a measuring device and a method for detecting at least one quality feature within a laser weld seam (7) on a workpiece (6), said laser weld seam (7) to be formed by a processing laser beam (2), having a measuring...  
WO/2018/148805A1
An exemplary system, method and computer-accessible medium for detecting deposits in subjects can be provided, which can include, for example receiving information related to reference information obtained from measurements in further su...  
WO/2018/148303A1
The system includes a dual interferometer sub-system configured to measure flatness across a substrate. The system includes a mass sensor configured to measure the mass of the substrate. The system includes a controller communicatively c...  
WO/2018/146009A1
An optical delay line (LR) intended to be implemented in an interferometer, comprising a rotating polygon (29). This polygon (29) is arranged to modulate the respective optical paths of first and second light beams (Li1, Li2), which are ...  
WO/2018/147473A1
A three-dimensional object information measuring device (1) is provided with: a linearly polarized light converting unit (22) which converts object light arriving from an object into linearly polarized light; a shearing interferometer (2...  
WO/2018/144437A1
An imaging system includes a first light source configured to provide a first light to an object, a second light source configured to provide a second light to said object, a color camera configured to capture an image of the object, a f...  
WO/2018/139511A1
A lighting device 2 generates an interference fringe 3. An input arm 10 receives input light from a light source 80. A branching filter 40 branches the input light passing through the input arm 10 toward a first output arm 20 and a secon...  
WO/2018/140610A1
A method is provided for observing ganglion cells in a living human eye, comprising: using an adaptive optics optical coherence tomography (AO-OCT) system to image a volume of a retinal patch including a ganglion cell layer (GCL); using ...  
WO/2018/138596A1
Techniques and apparatus for selectively producing half-depth and full-depth OCT images, based on a swept-source OCT interference signal. An example method comprises selecting from a first sampling rate and a second sampling rate, the se...  
WO/2018/140703A1
The present invention relates to imaging systems, and in particular to common-path phase-sensitive optical coherence tomography for enhanced phase stability and detection sensitivity. Particularly, aspects are directed to an optical imag...  
WO/2018/136622A1
Methods and systems are provided for using optical interferometry in the context of material modification processes such as surgical laser, sintering, and welding applications. An imaging optical source that produces imaging light. A fee...  
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...  

Matches 1 - 50 out of 11,136