1. Articles in category: Patents

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    1. Compact Imaging Granted Three New Patents for Miniature OCT Technology

      Compact Imaging Granted Three New Patents for Miniature OCT Technology

      Compact Imaging, Inc. (CI), an early stage technology company developing proprietary miniature optical sensors for the rapidly growing mobile personal health monitoring and fingerprint authentication markets, today announced that it has been granted three additional patents in the field. CI’s intellectual property base, consisting of 14 US patents and an equal number of pending US and foreign applications, is centered on MRO™, the Company’s proprietary miniature version of optical coherence tomography (OCT). OCT is a well-established, non-invasive, non-ionizing imaging technology widely used in clinical diagnostic applications, according to CEO Don Bogue. “Our miniature OCT architecture, MRO™, can be ...

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    2. HEAD-MOUNTED Optical Coherence Tomography

      HEAD-MOUNTED Optical Coherence Tomography

      The invention provides a system and method for obtaining ophthalmic measurements whereby the inventive device is configured to be head mountable, automatically axially length aligned with a selected target, and laterally aligned so that light from an OCT source enters through the pupil of the eye under test. The frame of the head mountable OCT is customizable, capable of analyzing both the left and right eye of a subject. The inventive device can be operated by the person undergoing test.

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    3. Optical Coherence Tomography System

      Optical Coherence Tomography System

      An OCT system comprises an OCT scan module for retinal scanning and an add-on anterior segment scanning module which includes at least one anterior segment scan lens (11) and an add-on fixation target (15) which is used to maintain the viewing direction of the eye (6) under investigation while achieving anterior segment scanning.

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    4. Method And Apparatus For Detecting Foreign Bodies Or Other Centers Of Disturbance In Optically Transparent Containers

      Method And Apparatus For Detecting Foreign Bodies Or Other Centers Of Disturbance In Optically Transparent Containers

      The present invention relates to a method and an apparatus for detecting foreign bodies or other centers of disturbance in containers (2) which have a container wall consisting of an optically transparent material. In the method and the apparatus, tomographic data of at least one volume region in the interior of the containers (2) in which the foreign bodies or other centers of disturbance are identifiable are recorded by means of optical coherence tomography. The method and the apparatus function without any ionizing or damaging radiation and make it possible to identify foreign bodies of different sizes and forms and ...

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    5. Method And System For Evaluating Progression Of AGE-RELATED Macular Degeneration

      Method And System For Evaluating Progression Of AGE-RELATED Macular Degeneration

      Disclosed is a method for analyzing retinal image data obtained using spectral-domain optical coherence tomography (SD-OCT). The image data comprise a cross-section of the retina and an en face image of the retina of a subject having AMD (age-related macular degeneration). The image data are processed to obtain an accurate structure showing locations, shape, size, and other data on drusen (deposits under the retina). This structural information is processed to extract quantitative drusen features that are indicative of a risk of progression of AMD from the dry form to the wet form of the disease in a given subject and ...

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    6. System, Apparatus And Method Utilizing Optical Dispersion For FOURIER-DOMAIN Optical Coherence Tomography

      System, Apparatus And Method Utilizing Optical Dispersion For FOURIER-DOMAIN Optical Coherence Tomography

      An apparatus can be provided which can include a laser arrangement which can be configured to provide a laser radiation, and can include an optical cavity. The optical cavity can include a dispersive optical first arrangement which can be configured to receive and disperse at least one first electro-magnetic radiation so as to provide at least one second electro-magnetic radiation.

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    7. Surface Emitting Laser And Optical Coherence Tomography Apparatus

      Surface Emitting Laser And Optical Coherence Tomography Apparatus

      A surface emitting laser is provided which requires a smaller number of components, and which can reduce the cost. A surface emitting laser includes a cavity constituted by a first reflecting mirror (101) and a second reflecting mirror (102), and having a resonant wavelength that is changed by changing a cavity length with movement (106) of the first reflecting mirror (101) in a direction facing the second reflecting mirror.

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    8. Processing Optical Coherence Tomography Scans Of A Subject'S Skin

      Processing Optical Coherence Tomography Scans Of A Subject'S Skin

      A method of processing optical coherence tomography (OCT) scans of a subject's skin (7), the skin (7) having a surface(8), the method comprising capturing a plurality of scans through the subject's skin(7), the scans representing an OCT signal in slices through the user's skin (7) in parallel planes, the scans being offset from one another along a direction perpendicular to the parallel planes, the method comprising determining the position of the surface (8) of the skin (7) in each scan and displaying the scans to a user with an indication (9) indicative of a predetermined ...

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    9. WAVELENGTH-TUNABLE Vertical Cavity Surface Emitting Laser For Swept Source Optical Coherence Tomography System

      WAVELENGTH-TUNABLE Vertical Cavity Surface Emitting Laser For Swept Source Optical Coherence Tomography System

      A wavelength-tunable vertical-cavity surface-emitting laser (VCSEL) with the use of micro-electromechanical system (MEMS) technology is provided as a swept source for Optical Coherence Tomography (OCT). The wavelength-tunable VCSEL comprises a bottom mirror of the VCSEL, an active region, and a MEMS tunable upper mirror movable by electrostatic deflections. The bottom mirror comprising a GaAs based distributed Bragg reflector (DBR) stack, and the active region comprising multiple stacks of GaAs based quantum dot (QD) layers, are epitaxially grown on a GaAs substrate. The MEMS tunable upper mirror includes a membrane part supported by suspension beams, and an upper mirror comprising a ...

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      Mentions: InPhenix
    10. Image processing apparatus, image processing method, image processing system, SLO apparatus, and program

      Image processing apparatus, image processing method, image processing system, SLO apparatus, and program

      n image processing apparatus includes an SLO image acquisition unit configured to acquire a plurality of SLO images obtainable by an SLO apparatus that scans a target to be captured with signal light at various focus positions in an optical axis direction of the signal light. The image processing apparatus includes a structure acquisition unit configured to acquire a specific structure of the target to be captured. The image processing apparatus includes an object image acquisition unit configured to acquire an image of the specific structure from each of the plurality of SLO images captured at various focus positions according ...

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    11. Low coherence interferometry with scan error correction

      Low coherence interferometry with scan error correction

      A system includes an interference microscope having one or more optical elements arranged to image a test object to an image plane by combining test light from the test object with reference light from a reference object to form an interference pattern at the image plane, wherein the test and reference light are derived from a common broadband light source. The system includes a scanning stage configured to scan an optical path difference (OPD) between the test and reference light, a multi-element detector positioned at the image plane and configured to record the interference pattern for each of a series ...

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    12. Measuring apparatus and exposure device

      Measuring apparatus and exposure device

      An apparatus includes a system configured to split a light emitted from a light source into reference light and subject light, cause the subject light to enter into an object, and combine the subject light reflected by the object with the reference light, a detection unit configured to detect coherent light between the combined subject and reference lights, an element, provided within a light path of the reference light or the subject light, configured to change a path length difference between the reference light and the subject light and a relative position between the reference light and the subject light ...

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    13. System For Robotic Assisted Cataract Surgery

      System For Robotic Assisted Cataract Surgery

      Systems and processes for facilitating the removal of cataract material with a robotically assisted tool with laser, irrigation capabilities, aspiration capabilities. Tool guidance systems that make use of vision technologies, including optical coherence tomography (OCT), white light imaging, and structured light imaging. Emulsification patterns optimized to minimize risk to the patient and reduce procedure time.

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    14. Optical Coherence Tomography Apparatus For Selectively Visualizing And Analyzing Choroid Vascular Plexus, And IMAGE-PROCESSING Program And IMAGE-PROCESSING Method Therefor

      Optical Coherence Tomography Apparatus For Selectively Visualizing And Analyzing Choroid Vascular Plexus, And IMAGE-PROCESSING Program And IMAGE-PROCESSING Method Therefor

      From OCT measurement data, image data for only the choroid vascular plexus present in the choroid layer is selectively extracted and the size of the choroid blood vessels and thickness of the choroid vascular plexus are obtained accurately from the image data, making quantitative evaluation of the choroid vascular plexus possible. The optical coherence tomography apparatus is provided with an optical coherence tomograph and a computer for performing image-processing on the three-dimensional OCT tomographic image obtained on the basis of the OCT measurement data acquired by the optical coherence tomogrph. The computer functions as a means for selectively isolating only ...

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    15. Ophthalmological Imaging Apparatus And Ophthalmological Image Display Device

      Ophthalmological Imaging Apparatus And Ophthalmological Image Display Device

      Provided is a novel technique for ophthalmological image diagnosis. The ophthalmological imaging apparatus according to an embodiment comprises: an acquisition unit for acquiring three dimensional image data for an eye being tested using optical coherence tomography; a designating section for designating partial image data, which is a portion of the three dimensional image data that corresponds to a specified region of the eye being tested; a modifying section for generating new three dimensional data by modifying the three dimensional data so that said partial image data is modified to a previously established form; a forming section for forming cross-sectional image ...

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    16. Reconstruction Of Optical Coherent Tomography (OCT) Images Of Morphological Features

      Reconstruction Of Optical Coherent Tomography (OCT) Images Of Morphological Features

      Imaging devices and processing techniques based on imaging information along the depth direction in an optical coherent tomography (OCT) image are disclosed to enhance observed morphological features. The methods and systems obtain different OCT images of the target object under different reference path lengths, process the different OCT images to obtain a derivative with respect to the signal path length of image information of the different images, and processing the derivative to extract improved image information of the target object. The derivatives may be in a form related to a gradient value of the normalized OCT image intensity, or an ...

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    17. Enhanced biometry using optical coherence tomography

      Enhanced biometry using optical coherence tomography

      An imaging method is disclosed. An imaging method according to some embodiments can include obtaining a plurality of measurements of an eye for at least one location by scanning optical radiation across the eye; determining a preferred measurement axis from the plurality of measurements; and processing the plurality of measurements to obtain information of the eye.

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    18. Optical imaging method and optical imaging apparatus using optical coherence tomography

      Optical imaging method and optical imaging apparatus using optical coherence tomography

      An optical imaging method in an embodiment includes: a scanning step to scan each of a plurality of A-lines of an object with a signal light while alternately changing the phase difference between the signal light and a reference light to two preset phase differences; a detection step to detect the interference light of the signal light passing through the A-line and the reference light; and an imaging step to generate a complex interference spectrum based on the detection results of the interference lights corresponding to the plurality of A-lines sequentially obtained in the detection step according to the scanning ...

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    19. Compact multimodality optical coherence tomography imaging systems

      Compact multimodality optical coherence tomography imaging systems

      Systems for imaging a sample are provided. The system includes an optical coherence tomography (OCT) imaging portion having an associated OCT path defined by one set of optical elements between an OCT signal delivery optical fiber and the sample; an image capture portion having an associated image capture path defined by a second set of optical elements between an image capture device and the sample, different from the OCT path; and an illuminator portion having an associated illumination path defined by a third set of optical elements between an illumination source and the sample. The OCT path, the image capture ...

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    1-24 of 1796 1 2 3 4 ... 73 74 75 »
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  3. Organizations in the News

    1. (1 articles) National University of Ireland, Galway
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  4. People in the News

    1. (1 articles) Alexandre R. Tumlinson
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