1. Articles in category: Patents

    1-24 of 1806 1 2 3 4 ... 74 75 76 »
    1. WAVELENGTH-ENCODED Tomography

      WAVELENGTH-ENCODED Tomography

      Systems and methods for non-invasive optical imaging are provided. One or more time-lenses can be utilized to perform an optical Fourier transform, and the time-to-wavelength conversion can generate a wavelength-encoded image of optical scattering, analogous to optical coherence tomography. This optical Fourier transform provides improved axial resolution and simplifies digital signal processing after data acquisition.

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    2. A NANO-SENSITIVE FOURIER-DOMAIN Optical Coherence Tomography Inspection System

      A NANO-SENSITIVE FOURIER-DOMAIN Optical Coherence Tomography Inspection System

      ntroduction The invention relates to inspection of a variety of objects, including body tissue (also in vivo), cell cultures, materials for material science, and micro and nano electronics components, for example. Most of the fundamental pathological processes in living tissues, including cancer, exhibit changes at the nanoscale level. Recently the diffraction resolution limit has been broken and optical nanoscale microscopy has led to creation of nanoscopic medicine. However, nanoscopy largely requires labelling, is limited to superficial 2D imaging, and is not in general suitable for in vivo applications. Furthermore, it is currently believed that in many cases 2D biology does ...

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    3. Integrated Ultrasound, OCT, PA AND/OR Florescence Imaging Endoscope For Diagnosing Cancers In Gastrointestinal, Respiratory, And Urogenital Tracts

      Integrated Ultrasound, OCT, PA AND/OR Florescence Imaging Endoscope For Diagnosing Cancers In Gastrointestinal, Respiratory, And Urogenital Tracts

      A multimodality imaging system including ultrasound, optical coherence tomography (OCT), photoacoustic (PA) imaging, florescence imaging and endoscopic catheter for imaging inside the gastrointestinal tract with real-time automatic image co-registration capability, including: an ultrasound subsystem for imaging; an optical coherence tomography (OCT) subsystem for imaging, a PA microscopy or tomography subsystem for imaging and a florescence imaging subsystem for imaging. An invasive interventional imaging device is included with an instrumentality to take a tissue biopsy from a location visible on the ultrasound subsystem for imaging, on the optical coherence tomography (OCT) subsystem for imaging, photoacoustic (PA) subsystem for imaging and florescence ...

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    4. Method And System For Improving Aiming During Optical Coherence Tomography On Young Children By Synchronization With Retinal Bifringence Scanning

      Method And System For Improving Aiming During Optical Coherence Tomography On Young Children By Synchronization With Retinal Bifringence Scanning

      The present invention is directed to a method and system for improved aiming during Optical Coherence Tomography (OCT) on young children and those unable to cooperate with OCT imaging by synchronization with retinal birefringence scanning (RBS). OCT is performed without knowing whether or not the subject is looking at the intended target.

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    5. Method For Detecting Corneal Astigmatism Using Optical Coherence Tomography

      Method For Detecting Corneal Astigmatism Using Optical Coherence Tomography

      The invention relates to a method for detecting refractive errors in the eye, said errors being attributable to a suboptimal surface shape of the front surface and/or rear surface of the cornea of an eye. In the method according to the invention for determining refractive errors in the eye, an OCT volume scan and/or one or more OCT line scans of the front eye section are carried out; using the measured values, the front and rear surface of the cornea are detected by means of an edge detection process; the topography of the front and rear surface of ...

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    6. Imaging Device And Method For Eye Ground Imaging By Optical Coherence Tomography

      Imaging Device And Method For Eye Ground Imaging By Optical Coherence Tomography

      SUBSTANCE: group of inventions refers to medicine, namely to eye ground imaging devices. The device comprises an optical unit concentrating light beams from measuring light beam lines on first and second radiation location on the eye ground. Further, a control unit manages a scanning unit so that the light beams concentrated on the first and second radiation locations are used for scanning in the first and second scan regions of the eye ground and so that the first and second scan regions are overlapped to form an overlap region. A tomography data collector receives first tomography data and second tomography ...

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    7. Six-dimensional Optical Multilayer Storage Using Two-photon Absorption Writing, Erasing and Optical Coherence Tomography Reading

      Six-dimensional Optical Multilayer Storage Using Two-photon Absorption Writing, Erasing and Optical Coherence Tomography Reading

      This invention relates a method of six-dimensional optical multilayer storage using two-photon absorption writing, erasing and optical coherence tomography reading and the apparatus designed based on this method. The invented system stores data in three spatial dimensions plus three physical dimensions of wavelength, intensity and polarization.

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    8. Optical Coherence Tomography Imaging Systems And Methods

      Optical Coherence Tomography Imaging Systems And Methods

      Optical coherence tomography imaging systems and methods are disclosed. According to an aspect, an optical coherence tomography imaging system includes a scanner configured to obtain images and to convert the images to electrical signals. The system also includes a computing device comprising an OCT module configured to receive the electrical signals, to apply an OCT imaging technique, and to generate imaging data.

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      Mentions: William J. Brown
    9. Heads Up Displays For Optical Coherence Tomography Integrated Surgical Microscopes

      Heads Up Displays For Optical Coherence Tomography Integrated Surgical Microscopes

      Surgical microscope systems are provided including an optical coherence tomography (OCT) system; an objective lens; oculars for direct viewing of a subject distal to the objective lens; a heads up display module configured to direct an optical image through the oculars to be visible to a user of at least one ocular; and a coupling element connected to the surgical microscope coupling the OCT system, the heads up display module and the objective lens.

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    10. Microscope System, And Method For Providing Augmented Reality Images Of Microscope System

      Microscope System, And Method For Providing Augmented Reality Images Of Microscope System

      Provided is a microscope system. The system comprises: an optical microscope unit for collecting a surface image of an object to be examined; an OCT unit for collecting an optical coherence tomography image of the object to be examined; a PA unit for collecting a photoacoustic image of the object to be examined; an image processing unit for generating an augmented reality image by superimposing the optical coherence tomography image and the photoacoustic image over the surface image; and an image observation unit for making the augmented reality image visible.

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    11. 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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    12. 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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    13. 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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    14. 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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    15. 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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    16. 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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    17. 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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    18. 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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    19. 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
    20. 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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    21. 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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    1-24 of 1806 1 2 3 4 ... 74 75 76 »
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