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US20080062429 |
LOW COHERENCE DENTAL OCT IMAGING
A method for obtaining an image of a tooth obtains an area image of the tooth (20) surface and identifies a region of interest from the area image by positioning a marker (146) on the area image.... |
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US20070291277 |
Spectral domain optical coherence tomography system
An ophthalmic imaging device for improved ophthalmic imaging including: an optical coherence scanning device, a fundus imaging device: an iris viewer; a motorized chin rest; an internal test... |
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US20080252901 |
Wavelength-Tunable Light Source And Optical Coherence Tomography
The present invention provides an OCT technique that permits tomographic observation of a biological body parts that is difficult to restrain and also provides a tomographic observation technique... |
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US20160202045 |
METHOD OF MEASURING THE DEPTH OF PENETRATION OF A LASER BEAM INTO A WORKPIECE
A method for measuring the penetration depth of a laser beam into a work-piece. A focusing optical unit arranged in a machining head focuses the laser beam in a focal spot. The focal spot produces... |
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US20100225925 |
Methods, Systems and Computer Program Products for Optical Coherence Tomography (OCT) Using Automatic Dispersion Compensation
Methods, systems and computer program products for generating parameters for software dispersion compensation in optical coherence tomography (OCT) systems are provided. Raw spectral interferogram... |
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US20110007957 |
IMAGING APPARATUS AND CONTROL METHOD THEREFOR
An imaging apparatus that captures a tomographic image of a subject includes: a first tomographic image acquisition unit to acquire a first tomographic image of the subject, a tomographic image... |
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US20080007734 |
System and method for providing Jones matrix-based analysis to determine non-depolarizing polarization parameters using polarization-sensitive optical coherence tomography
Arrangement, system and method for a polarization effect for a interferometric signal received from sample in an optical coherence tomography (“OCT”) system are provided. In particular, an... |
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US20060244972 |
Method and assembly for measuring a dispersion in transparent media
Spatially localized dispersion measurement and glucose measurement by means of optical short-coherence interference refractometry. This application is directed to methods and arrangements for the... |
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US20140104619 |
System and Method for Optical Coherence Tomography
The invention relates to a system and to a corresponding method for optical coherence tomography having an interferometer (10) for emitting light with which a specimen (1) is irradiated, the... |
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US20170153106 |
LENS-FREE TOMOGRAPHIC IMAGING DEVICES AND METHODS
A system for three dimensional imaging of an object contained within a sample includes an image sensor, a sample holder configured to hold the sample, the sample holder disposed adjacent to the... |
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US20140071456 |
MULTIPLE PATHS MEASURING AND IMAGING APPARATUS AND METHOD
The invention discloses an optical interferometer which can be used to provide simultaneous measurements over multiple path lengths and methods to employ such an interferometer as to achieve a... |
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US20090141237 |
Integrated Optical Coherence Imaging Systems for Use in Ophthalmic Applications and Related Methods and Computer Program Products
A system for imaging a sample is provided that includes an optical coherence tomography (OCT) portion having an associated OCT path. A second imaging portion is provided having an associated... |
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US20070013917 |
Measuring apparatus
An apparatus for determining the topography, shape, or form of (machined) objects is disclosed. The apparatus operative to perform consecutive measurements of the optical path difference (OPD)... |
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US20080278730 |
METHODS AND SYSTEMS FOR DETERMINING OPTICAL PROPERTIS USING LOW COHERENCE INTERFERENCE SIGNALS
Methods and related systems for determining properties of optical systems (e.g., interferometers) and/or optical elements (e.g., lenses and/or lens systems) are described. For example, information... |
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US20130321822 |
SYSTEM AND METHOD FOR MEASURING INTERNAL DIMENSIONS OF AN OBJECT BY OPTICAL COHERENCE TOMOGRAPHY
A system is provided for optically measuring internal dimensions of a sample object comprising internal interfaces at which the refraction index changes so that a portion of incident light is... |
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US20120250029 |
OPTICAL TOMOGRAPHIC IMAGING APPARATUS AND CONTROL METHOD THEREFOR
To remove an artifact generated by coherent noise from a tomographic image, provided is an optical tomographic imaging apparatus including: an artifact acquiring unit for acquiring an artifact... |
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US20110075153 |
Compact isolated analysis system
A compact OCT-like scanning device reduces radiation back-propagating to the radiation source by means of a polarized optical element that is reflective for linearly polarized light or radiation... |
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US20100007894 |
Multilayer Structure Measuring Method and Multilayer Structure Measuring Apparatus
A tomographic image measuring method according to the present invention includes a first step of calculating information corresponding to an optical distance of each layer thickness from a... |
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US20140160482 |
OPTICAL SYSTEM FOR ENDOSCOPIC INTERNALLY-REFERENCED INTERFEROMETRIC IMAGING, AND METHOD FOR EMPLOYING THE SAME
An exemplary arrangement can be provided which can include a lens arrangement which can have at least two reflecting surfaces on opposing sides thereof, each of the reflecting surfaces can have a... |
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US20070076223 |
Optical Mapping Apparatus with Optimized OCT Configuration
OCT apparatus includes an interferometer, having an input beam splitter and a 50/50 output splitter. The splitting ratio of the input splitter may be optimized depending on the source power of... |
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US20060256348 |
Optical tomography apparatus
A light source unit emits a laser beam, of which the wavelength is swept at a predetermined period. The central wavelength λc of the sweep and the wavelength sweep width Δλ of the laser light beam... |
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US20110026010 |
Optical Coherence Tomographic Analysis
An optical coherence tomographic analysis system for analyzing a pharmaceutical delivery system comprising manufacturing means for manufacturing the pharmaceutical delivery system, the... |
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US20060192975 |
Surface shape measuring apparatus
A surface shape measuring adapted so that object light and reference light are outputted from a low coherence light source, the object light which is irradiated onto an object and is reflected and... |
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US20050036151 |
Method and device for opically testing semiconductor elements
The invention relates to a method and a device for optically testing specific internal physical parameters of semiconductor components (12) of a certain thickness (L), comprising at least one... |
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US20070177156 |
Surface profiling method and apparatus
A surface profiling apparatus for providing surface profile information for a sample surface. This apparatus includes: support means for supporting a sample having a non-planar surface; light... |
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US20070195331 |
Coating thickness gauge
A coating thickness gauge for measuring the thickness of a coating on a surface of a can is described. The gauge comprises a probe head and a probe head locating mechanism. By employing the probe... |
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US20050151976 |
Method for monitoring of analytes in biological samples using low coherence interferometry
A method for determining a characteristic of an analyte in a biological sample comprising: directing broadband light by means of a sensing light path at the biological sample; receiving the... |
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US20150002853 |
MINIATURE SCAN-FREE OPTICAL TOMOGRAPHY SYSTEM
A miniature scan-free optical tomography system is provided. The system includes a broadband light source. A detection device is composed without a grating in front of it. A beamsplitter splits a... |
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US20130070255 |
PROBE FOR OPTICAL TOMOGRAPIC IMAGE MEASUREMENT DEVICE AND METHOD FOR ADJUSTING PROBE
A prism is attached to a refractive index dispersion lens by inclining the incident plane of the prism by a prescribed angle with respect to the end face of the refractive index dispersion lens... |
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US20160231101 |
SWEPT-SOURCE OPTICAL COHERENCE TOMOGRAPHY (SS-OCT) SYSTEM WITH SILICON PHOTONIC SIGNAL PROCESSING ELEMENT HAVING MATCHED PATH LENGTHS
Aspects of the present disclosure are directed to architectures, methods and systems and structures having application to an interferometric optical system such as a swept-source optical coherence... |
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US20130094028 |
COHERENCE GRID -- INTERFEROMETER AND METHOD FOR A SPATIALLY RESOLVED OPTIC MEASUREMENT OF THE SURFACE GEOMETRY OF AN OBJECT
A coherence grid—interferometer for spatially resolved optic measurement of an object, with a light source, an interferometer, a path length—altering unit, and camera with a detection area. The... |
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US20160054195 |
SYSTEM AND METHODS FOR MEASURING OPHTHALMIC LENS
The system and methods are made to apply interferometry to ophthalmic applications. The system makes use of a low-coherence interferometer to obtain a plurality of measurements of a contacts lens.... |
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US20170074638 |
POLARIZATION-SENSITIVE OCT APPARATUS AND METHOD FOR CONTROLLING THE SAME
A polarization-sensitive OCT apparatus includes an interference unit configured to split light emitted from a light source into measurement light and reference light and to generate interfered... |
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US20170038308 |
APPARATUS AND METHOD FOR INSPECTING CONTAINERS
An apparatus for inspecting containers in a container treatment machine includes an optical probe, for detecting surface irregularities. The probe is formed as an optical coherence tomography... |
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US20150168126 |
SYSTEM AND METHOD FOR OPTICAL COHERENCE TOMOGRAPHY
A system for optical coherence tomography (OCT) is disclosed. The system comprises an optical interferometer apparatus configured to split an optical beam into a reference beam directed to a... |
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US20140204391 |
Method and System for Optical Coherence Tomography
The present invention relates to a method as well as a corresponding system (50) for optical coherence tomography, where, by means of an optical coherence tomography equipment, a first image (60)... |
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US20070076215 |
Optical tomography system
In an optical coherence tomography measurement, interference light of the reflected light of the measuring light from the object and the reference light is detected. A controller switches between... |
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US20060023225 |
Microscope and method of measurement of a surface topography
The invention relates to a microscope and a method for measuring the surface topography of a workpiece in a quantitative and optical manner. The invention includes a differential interference... |
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US20130027714 |
LIGHT SOURCE DEVICE AND OPTICAL COHERENCE TOMOGRAPHY APPARATUS
A light source device capable of varying a light oscillation wavelength includes a plurality of optical gain media, a dispersing element, and a wavelength selecting element. The optical gain media... |
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US20070076219 |
Optical tomography system
In an optical coherence tomography measurement, a controller switches between a measurement initiating position adjusting mode in which the position in the direction of depth of the object in... |
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US20070019210 |
Time-delayed source and interferometric measurement of windows and domes
An interferometer comprises a time-delayed source, light emitted from the time-delayed source, a unit under test where the unit under test has a first surface and a second surface, and a detector.... |
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US20070076221 |
Optical tomography system
In an optical coherence tomography measurement, interference light of the reflected light of the measuring light from the object and the reference light obtained by dividing light emitted from a... |
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US20140125992 |
OPTICAL COHERENCE TOMOGRAPHY APPARATUS AND OPTICAL COHERENCE TOMOGRAPHY METHOD
The optical coherence tomography apparatus includes: a light source unit; a branch unit for branching light output from the light source unit into measurement light and reference light; an... |
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US20130242313 |
SCANNING METHODS AND APPARATUS
There is provided a method of identifying a region of interest in sample. The method comprises obtaining one or more optical coherence tomography (OCT) axial scans at one or more locations over... |
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US20080100848 |
Optical tomograph
A partially coherent light beam from a light source is split between a probe light beam toward an observation object and a reference light beam toward a fixed reflective surface. The frequency of... |
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US20160153771 |
Shape Measuring Device
There is provided a shape measuring device surface capable of measuring a three-dimensional shape at high speed and with high accuracy. Low-coherence light emitted from a low-coherence light... |
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US20100085574 |
Length measuring apparatus
The present application relates to an optical length measuring apparatus using a laser beam, and has a proposition to enable highly accurate measuring. There includes a length measuring section... |
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US20110116100 |
SYSTEM FOR ALIGNING A MEASURED OBJECT RELATIVE TO A DETECTOR, INTERFEROMETRIC SYSTEM AS WELL AS ALIGNMENT METHOD
The invention relates to an arrangement for aligning a measured object (2) with a detector (5), said arrangement comprising illumination means (10) producing an illumination beam path (15) and... |
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US20170167848 |
TOMOGRAPHIC IMAGE CAPTURING DEVICE
A measurement optical system (30) is provided which causes measurement light split by a beam splitter (20) to be incident to an object, and a reference optical system (40) is provided which causes... |