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Matches 1 - 50 out of 11,272

Document Document Title
WO/2019/097118A1
An artifact (101) for assisting imaging based on electromagnetic radiation and/or mechanical waves is presented. The artifact comprises a substrate (102) and layers (103-107) on top of the substrate. The layers comprise organic material ...  
WO/2019/099017A1
A spectrometer for downhole applications can be calibrated without using radioactive sources. A spectrum of measured gamma ray counts can be received from a spectrometer in a calibration mode. A spectrum-to-window ratio can be used to de...  
WO/2019/087201A1
An interferometer system comprises a light redirecting system for splitting an input light beam into two secondary light beams to respectively propagate along a first optical arm and a second optical arm, and for recombining the secondar...  
WO/2019/087040A1
Techniques and apparatus for producing sampled Optical Coherence Tomography (OCT) interference signals without aliasing, based on a swept-source OCT interference signal. An example apparatus comprises a k-clock circuit configured to sele...  
WO/2019/081490A1
Assembly for detecting the surface profile (52) of an object surface (110) by means of interferometric distance measurement, comprising: a radiation source (10, 20, 30) for generating monochromatic light (22, 24, 34); an optic assembly (...  
WO/2018/063546A8
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/2019/083981A1
Single-shot, adaptive metrology of rotationally variant optical surfaces, such as toroids, off-axis conies and freeform surfaces. An adaptive interferometric null test uses a high definition liquid crystal phase-only spatial light modula...  
WO/2019/081807A1
An apparatus comprising: means for modulating an input beam of light wherein the input beam of light is obtained from an optical coherence tomography arrangement; means for dispersing the modulated beam of light; and means for detecting ...  
WO/2019/084569A1
An apparatus for analyzing light includes an input aperture for receiving light; a first set of one or more lenses configured to relay light from the input aperture; and a prism assembly configured to disperse light from the first set of...  
WO/2019/077557A1
The invention concerns a method and a related system for measuring thermo-elastic deformations of objects. The invention uses an interferometric metrology instrument (2) configured to carry out optical measurements, and a thermal chamber...  
WO/2019/076701A1
The invention relates to a machining device (1) for machining a workpiece (2), in particular by means of welding, the machining device comprising: a machining head (3) for providing a machining beam, in particular a laser beam (4), for m...  
WO/2019/075309A1
In some embodiments, systems, methods, and media for multiple reference arm spectral domain optical coherence tomography are provided which, in some embodiments, includes: a sample arm coupled to a light source; a first reference arm hav...  
WO/2019/073231A1
A field detector (2) comprises a field-responsive element (10) which undergoes a dimensional change when exposed to a predetermined field; and an interferometric read-out arrangement arranged to detect the dimensional change of the field...  
WO/2019/075376A1
An exemplary system, method, and computer-accessible medium for generating an image(s) of an three-dimensional anatomical flow map(s) can include receiving an optical coherence tomography ("OCT") signal(s), splitting the OCT signal(s) in...  
WO/2019/070226A1
A method for altering the intensity of light across the field of view of an image sensor in a microscope apparatus having a light source, an image sensor having pixels, and a specimen stage, wherein light from the light source travels al...  
WO/2019/071044A1
A stuck slide determination system is provided that determines if a slide (e.g., glass slide), positioned on a scanning stage at the start of the scanning process, gets stuck and does not move along with the scanning stage after the scan...  
WO/2019/069228A1
Techniques for measuring optical aberrations of the eye are disclosed. An example method comprises positioning the eye in a measurement location adjacent to a measurement arm of an optical coherence tomography (OCT) interferometer appara...  
WO/2019/063403A1
The invention relates to a measuring device for contactlessly measuring a distance to a surface (19) or a distance between two surfaces, comprising a measurement light source (11), which produces polychromatic measurement light (12), and...  
WO/2019/068038A1
A digital scanning apparatus is provided that includes imaging and focusing sensors and a processor to analyze the image data captured by the imaging and focusing sensors and adjust the focus of the scanning apparatus in real time during...  
WO/2019/063247A1
The invention relates to a method and a device for characterising the surface shape of an optical element, in particular a mirror or a lens of a micro-lithographic projection exposure system. A method according to the invention comprises...  
WO/2019/068045A1
Apparatus and methods for scanning a 2D or 3D image of a specimen without relative Z-axis motion between the specimen and the objective lens. In an embodiment, the apparatus includes a tilted camera having individual lines of pixels. Eac...  
WO/2019/068039A1
Two-pass capture of a macro image. In an embodiment, a scanning apparatus comprises a stage, a high-resolution camera, and a lens that provides a field of view, substantially equal in width to a slide width, to the high-resolution camera...  
WO/2019/063437A1
The invention relates to a compensation optical system (30) for a measuring system (10), said measuring system being used to determine a form of an optical surface (12) of a test object (14) by interferometry and said compensation optica...  
WO/2019/068043A1
Real-time autofocus. In an embodiment, a scanning apparatus includes an imaging sensor, a focusing sensor, an objective lens, and processor(s) configured to analyze image data captured by the imaging and focusing sensors, and move the ob...  
WO/2019/062466A1
A real-time normalization modification apparatus for PGC demodulation in a sine phase modulation interferometer, containing an optical path structure for measuring an interferometer and monitoring the interferometer; an electro-optic pha...  
WO/2019/056022A1
Provided herein are devices and systems comprising an illumination module configured to provide a source light to an optical interference module, which converts the source light to a line of light and processes light signal; an interfere...  
WO/2019/055324A1
A video measurement system includes an imaging system, a reticle projector for projecting an image of a reticle through the imaging system onto the test object, and a camera for capturing images of the test object together with the retic...  
WO/2019/049016A1
An apparatus for optical detection of ultrasound includes one or more optical resonators (OR - 200), one or more optical passive-demodulation interferometers (OPDI - 22), and one or more respective electro-optical readout circuits (EORC ...  
WO/2019/051301A1
Apparatus and methods are disclosed for measuring polarization properties and phase information, for example as can be used in microscopy applications. According to one example of the disclosed technology, an apparatus includes a light s...  
WO/2018/005987A8
A system (100) for interrogating parameters at a plurality of locations in a sample (108) includes first and second ultrafast laser sources (102, 104), a reference device (110), and detector and processor units (124, 128). The first and ...  
WO/2019/045152A1
The present invention relates to an integrated optical measurement system and a three-dimensional integrated optical measurement method which are for a non-contact three-dimensional measuring instrument and, more particularly, to a metho...  
WO/2019/037360A1
The present invention is applicable to the technical field of optical imaging correction, and provides a fast tilt phase error compensation method and device based on wavefront rotation, comprising: collecting, by using a coaxial digital...  
WO/2019/037143A1
A device and method for testing OCT imaging withdrawal performance, the device for testing OCT imaging withdrawal performance comprising hard material groups (1, 2), each hard material group (1, 2) comprising at least two hard material s...  
WO/2019/033170A1
The present disclosure relates to a tracking system for tracking the position and orientation of an object in an environment, the tracking system including: (a) a tracking base positioned in the environment; (b) a tracking target mountab...  
WO/2019/031667A1
The present invention relates to a device and method for measuring a thickness and a refractive index of a multilayer thin film by measuring angle-resolved spectral reflectance according to polarization of light. According to one embodim...  
WO/2019/032430A1
Interference fringes (IB) in a bullseye pattern (FIG. 5) are produced by a measurement module (20) by interfering a flat reference beam (BRR) with a spherical beam (DRR) reflected by a sphere (40, 102) connected to the tip (12,104) of a ...  
WO/2019/030620A1
A system includes an NMR system (10) including a coil (18) and a magnet (12) capable of obtaining NMR information from a tissue (17) and an MRI processor (19) for creating a pixel map of the tissue (17) from the NMR information. The syst...  
WO/2019/026064A1
There are provided devices, systems and methods utilizing interferometric retro-reflection displacement/vibration meter. In particular, there are provided laser interferometer devices, systems and methods for measuring three-axis small a...  
WO/2019/025871A1
Interferometric systems and methods for measuring rotational movement are described. In one implementation, an interferometer for measuring rotational movement includes a housing and a light source within the housing configured to projec...  
WO/2019/025118A1
The invention relates to a method for measuring the welding-in depth, in particular when welding, drilling or removing material by means of a working laser beam (36), in which a measuring light beam (28) of a sensor system (10) is couple...  
WO/2019/018947A1
A computer-implemented method of providing access to interferometric system data stored in a data repository. A query that includes a data parameter identifier is received. The data repository is accessed and the interferometric system d...  
WO/2019/016151A1
A multichannel confocal sensor comprises a light source (14),a focusing lens arrangement (10), and an optical detector (25). This sensor further includes: - a first integrated optics circuit (11) arranged for splitting a light beam (24) ...  
WO/2019/018318A1
An imaging system may include: a scan head optically coupled to the light source and configured to scan light from a light source onto a portion of a specimen and to receive light reflected from the portion of the specimen; an interferom...  
WO/2019/014177A1
Doppler correction of broadband LIDAR includes mixing, during a first time interval, a returned optical signal with an in-phase version of the transmitted signal to produce a first mixed optical signal that is detected during the first t...  
WO/2019/014566A1
Aspects of the present disclosure are directed to a mirror bearing for an interferometer. An example mirror bearing includes a stationary mounting member and a mobile mirror assembly configured for slidable movement relative to the mount...  
WO/2019/010349A1
A distance-measuring pixel apparatus includes a photonic integrated circuit disposed on a common substrate that further includes a photonic integrated circuit substrate having disposed thereon two 3 dB directional couplers, a GRIN lens, ...  
WO/2019/009392A1
The purpose of the present invention is to provide an optical device with which it is possible to suppress reductions in the movability performance of a movable mirror and suppress increases in the size of the device overall while increa...  
WO/2019/009401A1
This optical module 1 is provided with: a mirror unit 2 including a base 21, a movable mirror 22, and a fixed mirror 16; a beam splitter unit 3 which is provided to one side of the mirror unit 2 in a Z-axis direction; a light entrance pa...  
WO/2019/008964A1
Provided are an interferometer, a Fourier transform spectroscopic device and a component analyzing device which are highly resistant to vibration, are inexpensive and compact, and have a high resolution. An interferometer 10 is provided ...  
WO/2019/009402A1
An elastic support part in this optical device is provided with: a pair of levers which face each other in a second direction orthogonal to a first direction; a pair of first torsion support parts which extend in the second direction, an...  

Matches 1 - 50 out of 11,272