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| Number | Title | Issue Date |
| 8174702 | Speckle reduction in optical coherence tomography by path length encoded angular compounding Speckle, a factor reducing image quality in optical coherence tomography (“OCT”), can limit the ability to identify cellular structures that are important for the diagnosis of a variety of diseases. Exemplary embodiments of the present invention can facilitate a... | 05/08/2012 |
| 8174701 | Optical tomographic imaging system The optical tomographic imaging system includes a main body for acquiring an optical tomographic image, an optical probe having a rotary optical fiber for guiding the measuring and returning light, a measuring unit, and a sheath rotatably holding the rotary optical ... | 05/08/2012 |
| 8169618 | Optical structure measuring apparatus and optical probe thereof In an embodiment of the present invention, an OCT probe is configured by including: a thin and long substantially cylindrical sheath whose distal end is closed; an n-reflecting surface body, as an irradiating device, which has n reflecting surfaces (with n being an ... | 05/01/2012 |
| 8159677 | Optical coherence tomography device and method having improved boundary control and distortion correction Variants of an interferometric device are developed for examining internal structures of objects by means of optical coherence tomography, which allow for controlling a boundary location of the observation range. The device also allows for correcting a distortion of... | 04/17/2012 |
| 8149418 | Method and apparatus for optical imaging via spectral encoding Exemplary method, apparatus and arrangement can be provided for obtaining information associated with a sample such as a portion of an anatomical structure. The information can be generated using first data, which can be based on a signal obtained from a location on... | 04/03/2012 |
| 8144332 | Temperature measurement apparatus and method A temperature measurement apparatus includes a light source; a first splitter that splits a light beam into a measurement beam and a reference beam; a reference beam reflector that reflects the reference beam; an optical path length adjustor; a second splitter that ... | 03/27/2012 |
| 8120779 | Optical coherence imaging systems having a mechanism for shifting focus and scanning modality Some embodiments of the present invention provide adapters for use in posterior imaging systems. The adapters include lens set configured to adapt the posterior imaging system to operate as an anterior imaging system. Related optical coherence tomography systems and... | 02/21/2012 |
| 8115934 | Device and method for imaging the ear using optical coherence tomography A method of forming an image of tissue. The method includes non-invasively inserting a fiber-based device into a patient's ear canal and acquiring OCT data from ear tissue while the fiber-based device is in the ear canal. The method also includes converting the OCT ... | 02/14/2012 |
| 8094319 | Image diagnostic apparatus and method An image diagnostic apparatus includes a probe capable of light transmission and reception, wherein a reflection light is obtained from the probe by scanning the probe rotatingly, and a tomographic image is formed and outputted based on the obtained reflection light... | 01/10/2012 |
| 8072608 | Apparatus and method for a combined interferometric and image based geometric determination, particularly in the microsystem technology The apparatus and method according to the invention includes an objective (8) which is capable of operating basically in two different measuring modes. In a first interference mode, a measuring object (9) is interference—optically measured. In a seco... | 12/06/2011 |
| 8059277 | Mode hopping swept frequency laser for FD OCT and method of operation A frequency swept laser source that generates an optical signal that is tuned over a spectral scan band at single discrete wavelengths associated with longitudinal modes of the swept laser source. Laser hopping over discrete single cavity modes allows long laser coh... | 11/15/2011 |
| 8054468 | Apparatus and method for ranging and noise reduction of low coherence interferometry LCI and optical coherence tomography OCT signals by parallel detection of spectral bands Apparatus and method for increasing the sensitivity in the detection of optical coherence tomography and low coherence interferometry (“LCI”) signals by detecting a parallel set of spectral bands, each band being a unique combination of optical frequencies. The ... | 11/08/2011 |
| 8054469 | Optical probe and optical tomographic image production apparatus using the probe An optical tomographic image production apparatus includes an optical probe, in which a light-transmitting area that transmits measurement light and a light-blocking area that blocks the measurement light are formed. The light-blocking area is provided at a start po... | 11/08/2011 |
| 8040524 | Optical tomography imaging system, contact area detecting method and image processing method using the same, and optical tomographic image obtaining method The optical tomography imaging system includes a light source, a branching section which branches a light beam into a measuring light beam and a reference beam, an optical probe having an optical fiber, a measurement section which irradiates a measurement target wit... | 10/18/2011 |
| 8035819 | Arterial probe for OCT An apparatus for detecting vulnerable plaque within a lumen defined by an intraluminal wall is described. The apparatus includes a probe having a distal portion and a proximal portion. The apparatus includes an optical waveguide extending along the probe. The optica... | 10/11/2011 |
| 8018599 | Interferometric method and apparatus for measuring optical signal quality in optical communications system Differences in the interferometric patterns of modulated telecommunication signals and broadband optical noise sources are identified and are exploited in measuring the optical signal-to-noise measurements in reconfigurable photonic networks. A light output power fr... | 09/13/2011 |
| 7999946 | Fiber optic particle motion sensor system A sensor apparatus combines an optical sensor in which acceleration, acoustic velocity, or displacement (vibration) causes a corresponding shift in the center wavelength of the sensor output, coupled to a high speed interferometric interrogator, through an unbalance... | 08/16/2011 |
| 7999945 | Optical coherence tomography / acoustic radiation force imaging probe A combined system and method synchronizes optical coherence tomography and acoustic radiation force for simultaneously imaging and mechanically displacing tissue in a patient as a detection and analytic tool. An endoscope is provided which has a piezoelectric elemen... | 08/16/2011 |
| 7999947 | Optical coherence imaging systems having a mechanism for shifting focus and scanning modality and related adapters Some embodiments of the present invention provide adapters for use in posterior imaging systems. The adapters include lens set configured to adapt the posterior imaging system to operate as an anterior imaging system. Related optical coherence tomography systems and... | 08/16/2011 |
| 7995210 | Devices and arrangements for performing coherence range imaging using a common path interferometer Devices, arrangements and apparatus adapted to propagate at least one electro-magnetic radiation are provided. In particular, a probe housing, a sample arm section and a reference arm section can be included. For example, the sample arm section can be at least parti... | 08/09/2011 |
| 7982880 | Optical image measurement device A fundus oculi observation device acts as an optical image measurement device capable of measuring an OCT image such as a tomographic image of a fundus oculi, or the like, and is configured so as to calculate the signal level of the formed OCT image, determine wheth... | 07/19/2011 |
| 7978335 | System for producing tomographic image by optical tomography In optical tomography measurement using light, the wavelength of which is periodically swept, interference light between reflection light and reference light is split into first interference light and second interference light by a light splitting means. The optical... | 07/12/2011 |
| 7965392 | Optical coherence tomography device and measuring head An optical coherence tomography device includes: a light source 16; a light splitting section 19 that splits light source light into reference light 19 and measuring light 28 with which a sample 22 is irradiated; an interfering sec... | 06/21/2011 |
| 7952718 | High resolution optical coherence tomography based imaging for intraluminal and interstitial use implemented with a reduced form factor Mechanically robust minimal form factor OCT probes suitable for medical applications such as needle biopsy, intraluminal and intravascular imaging are achieved in part by employing compound lenses with some or all of the optical elements, including an optical fiber,... | 05/31/2011 |
| 7952719 | Optical catheter configurations combining raman spectroscopy with optical fiber-based low coherence reflectometry The present invention provides apparatuses and methods for sample analysis, such as tissue analysis, that integrate high wavenumber (HW) Raman spectroscopy for chemical composition analysis and optical coherence tomography (OCT) to provide depth and morphological in... | 05/31/2011 |
| 7948633 | Compensating for time varying phase changes in interferometric measurements An optical device under test (DUT) is interferometrically measured. The DUT can include one or more of an optical fiber, an optical component, or an optical system. First interference pattern data for the DUT is obtained for a first path to the DUT, and second inter... | 05/24/2011 |
| 7944566 | Single fiber endoscopic full-field optical coherence tomography (OCT) imaging probe A single fiber full-field optical coherence tomography (OCT) imaging probe (300) includes a hollow tube (301), and a single fiber (305) disposed within the tube for transmitting light received from a broadband light source to a beam splitter ( | 05/17/2011 |
| 7940397 | Optical connector and an optical tomographic imaging system using the same The optical connector includes a holder unit, a first optical fiber fixedly supported by the holder unit and having an inclined end face, a first collimating lens spaced from the inclined end face, a mounting unit supported relative to the holder unit, a second opti... | 05/10/2011 |
| 7940398 | Optical coherence tomography apparatus An optical coherence tomography apparatus constructs a tomographic image of a measurement object on the basis of a spectral characteristic obtained by spectrally dividing interference light, which combines signal light composed of the measurement light reflected by ... | 05/10/2011 |
| 7933021 | System and method for cladding mode detection According to an exemplary embodiment, systems and methods can be provided for compensating for, reducing and/or eliminating data associated with at least one aberration provided within a sample. For example, using such exemplary systems and methods, it may be possib... | 04/26/2011 |
| 7929146 | Methods and systems for removing undesired artifacts in fourier domain optical coherence tomography (FDOCT) systems using continuous phase modulation and related phase modulators Methods, fourier domain optical coherence tomography (FDOCT) interferometers and computer program products are provided for removing undesired artifacts in FDOCT systems using continuous phase modulation. A variable phase delay is introduced between a reference arm ... | 04/19/2011 |
| 7929145 | Arterial probe for OCT An apparatus for detecting vulnerable plaque within a lumen defined by an intraluminal wall is described. The apparatus includes a probe having a distal portion and a proximal portion. The apparatus includes an optical waveguide extending along the probe. The optica... | 04/19/2011 |
| 7924428 | Optical rotary adaptor and optical tomographic imaging apparatus using the same An optical rotary adapter is featured by including: a fixed side optical fiber which is fixedly supported by a fixed sleeve and which has an end surface inclined with respect to a plane perpendicular to the optical axis of the optical fiber; a fixed side collimator ... | 04/12/2011 |
| 7924429 | Enhanced optical coherence tomography for anatomical mapping A system, method and apparatus for anatomical mapping utilizing optical coherence tomography. In the present invention, 3-dimensional fundus intensity imagery can be acquired from a scanning of light back-reflected from an eye. The scanning can include spectral doma... | 04/12/2011 |
| 7920271 | Apparatus and methods for enhancing optical coherence tomography imaging using volumetric filtering techniques Apparatus and method can be provided, whereas a particular radiation which includes at least one first electro-magnetic radiation can be directed to at least one sample and at least one second electro-magnetic radiation can be directed to a reference. The first elec... | 04/05/2011 |
| 7880892 | Optical tomographic imaging apparatus and optical tomographic imaging method In an optical tomographic imaging apparatus, a wavelength of a light beam emitted from the light source is selected by a light source section filter, and the light beam emitted from the light source is split into a measurement light beam and a reference light beam. ... | 02/01/2011 |
| 7872760 | Method and device for detecting the contour data and/or optical characteristics of a three-dimensional semi-transparent object A method and device for detecting the contour data and/or optical characteristics of an object, such as a tooth or a tooth restoration, based on an interference and/or autocorrelation measurement using an image sensor. To permit an exact surface detection in additio... | 01/18/2011 |
| 7872759 | Arrangements and methods for providing multimodality microscopic imaging of one or more biological structures Method and apparatus according to an exemplary embodiment of the present invention can be provided. For example, first data associated with a first signal received from at least one region of at least one sample can be provided based on a first modality, and second ... | 01/18/2011 |
| 7872761 | Method for reliable optical coherence tomography scans of volumes of retinal tissue A method of building up a three dimensional OCT image of an object having a limited region sensitive to movement of a scanning beam performs an OCT scan in a scanning pattern that results in said limited region, typically the fovea of the eye, being scanned last. | 01/18/2011 |
| 7864331 | Optical coherence tomographic imaging apparatus A first light beam and a second light beam having discrete wavelength bands are emitted form a light source unit, and enter a light divider. The light divider separates each light beam into a measuring light beam and a reference light beam. The measuring light beams... | 01/04/2011 |
