1. Articles from rainer nebosis

    1-13 of 13

    1. System and method for optical coherence tomography with spectrally modulated light injected into optical fibre

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      System and method for optical coherence tomography with spectrally modulated light injected into optical fibre

      The invention relates to a system and to a corresponding method for optical coherence tomography having a light source (15) for producing light (14), a first interferometer (10), a second interferometer (20) and an optical fiber (17) by means of which light emitted by the first interferometer (10) is conveyed to the second interferometer (20). For simpler and more efficient injection of the light emitted by the first interferometer (10) into the optical fiber (17) provision is made such that light is injected into the first interferometer (10) which has a first number of transversal modes, and the optical fiber ...

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      Mentions: AGFA Healthcare

    2. System and method for optical coherence tomography with modulated detector sensitivity

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      System and method for optical coherence tomography with modulated detector sensitivity

      The invention relates to a system and to a corresponding method for optical coherence tomography having an interferometer (10) and a detector system (30, 31) which comprises a detector (30) for collecting the light reflected by a specimen (1) to be examined and has a sensitivity to the light reflected by the specimen (1). In order to reduce the times required for the most reliable possible recording of interference signals provision is made such that the sensitivity of the detector system (30, 31) to the light reflected by the specimen (1) and impinging on the detector (30) is modulated with ...

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      Mentions: AGFA Healthcare

    3. Method And System For Optical Coherence Tomography

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      Method And System For Optical Coherence Tomography

      The invention relates to a method and a corresponding system for optical coherence tomography, wherein by means of an optical coherence tomography device, at least two two-dimensional initial images (S) of an object in planes of the object that extend at a spatial distance to one another, in particular in parallel, are produced, wherein each of the initial images comprises a plurality of initial image values. In order to ensure as reliable an examination as possible of the object, in particular in medical applications, an interpolation of the initial image values of the at least two two-dimensional initial images (S ...

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      Mentions: AGFA Healthcare

    4. System And Method For Optical Coherence Tomography

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      System And Method For Optical Coherence Tomography

      The present invention relates to an apparatus and a corresponding method with a light source (20) for emitting light, an interferometer (10), into which light emitted by the light source (20) is injected, for irradiating a sample (1) with light, and a detector (40), in particular a spatially resolving detector, for detecting interference patterns obtained by superimposing a partial beam of the light injected into the interferometer (10), which partial beam is reflected at a reference mirror (16) of the interferometer (10), on the light reflected by the sample (1). In order to obtain OCT images with the highest possible ...

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      Mentions: AGFA Healthcare

    5. System for optical coherence tomography

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      System for optical coherence tomography

      The invention relates to a system for optical coherence tomography having an interferometer (20), a detector (30) with a first number of detector elements for collecting light, and an optical fiber (29) with a second number of individual fibers for transmitting light from the interferometer (20) to the detector (30). In order to increase the compactness of the system with at the same time high image quality provision is made such that the detector elements have a first center-center distance and the individual fibers have a second center-center distance, the first center-center distance between the detector elements being greater than ...

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      Mentions: AGFA Healthcare

    6. System and method for optical coherence tomography

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      System and method for optical coherence tomography
      Die Erfindung betrifft ein System sowie ein entsprechendes Verfahren zur optischen Kohärenztomographie mit einem Interferometer (10, 20) zur Ausgabe von Licht, mit dem eine Probe (1) bestrahlt wird, wobei das Interferometer (10, 20) einen Strahlteiler (13, 24) und mindestens einen Reflektor (11, 12, 25) umfasst, und einem Detektor (30) mit einer ersten Anzahl von in einer ersten Fläche angeordneten Detektorelementen zur Erfassung von Licht, welches von der Probe (1) reflektiert wird. Um auf einfachere und schnellere Weise, insbesondere in Echtzeit, Bilder einer Probe (1) aufnehmen zu können, ist das System in einem ersten Modus, insbesondere einem ersten Echtzeitmodus, betreibbar, in ...
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      Mentions: AGFA Healthcare

    7. System And Method For Optical Coherence Tomography (Wo 2008/101959)

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      System And Method For Optical Coherence Tomography (Wo 2008/101959)
      The invention relates to a system and to a corresponding method for optical coherence tomography, said system comprising an interferometer (10) for emitting light, said interferometer radiating a sample (1). Said interferometer (10) comprises a beam splitter (13) and at least one reflector (12), the optical distance (I) of which to the beam splitter (13) can be modified, and a detector (30) having a plurality of detector elements that are arranged on a surface, said detector elements detecting the light that is reflected by the sample (1 ). In order to simplify and accelerate the capture of three-dimensional images of the ...
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      Mentions: AGFA Healthcare

    8. System And Method For Optical Coherence Tomography And Method For Calibrating Said Type Of System (Wo 2008/101960)

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      The invention relates to a system and to a corresponding method for optical coherence tomography. Said system comprises an interferometer (10) for emitting light, said interferometer radiating a sample (1). Said interferometer (10) comprises a beam splitter (13) and at least one reflector (12), the optical distance (I) of which to the beam splitter (13) can be modified. Said system also comprises a sample lens through which light emitted by the interferometer (10) is focused in a focal point in the sample (1), and a detector (30) for detecting light that is reflected by the sample (1). According to the ...
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      Mentions: AGFA Healthcare

    9. System And Method For Optical Coherence Tomography (Wo 2008/101962)

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      The invention relates to a system and to a corresponding method for optical coherence tomography, said system comprising an interferometer (10) and a detector-system (30, 31 ) comprising a detector (30) for detecting light reflected by a sample (1) that is to be examined, and being sensitive to the light reflected by the sample (1 ). In order to reduce the time required for the most reliable detection of interference signals possible, the sensitivity of the detector system (30, 31 ) for the light impinging on the detector (30) and reflected by the sample (1 ) is modulated using a modulation frequency.
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      Mentions: AGFA Healthcare

    10. System And Method For Optical Coherence Tomography (Wo 2008/101961)

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      The invention relates to a system and to a corresponding method for optical coherence tomography, said system comprising an interferometer (10) that is provided with a beam splitter (13), a first reflector (11) and a reflector (12), the optical distance (I) of which to the beam splitter (13) can be modified at a speed (v), and a detector (30) for detecting light that is reflected by a sample (1) that is to be examined. In order to reduce the time required for the most reliable detection of interference patterns possible, the intensity of the light (14 or 4) emitted by ...
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      Mentions: AGFA Healthcare

    11. System And Method For Optical Coherence Tomography (Wo 2008/101964)

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      The invention relates to a system and to a corresponding method for optical coherence tomography. Said system comprises a light source (15) for generating light (14), a first interferometer (10), a second interferometer (20) and an optical wave guide (17) through which light emitted from the first interferometer (10) is guided to the second interferometer (20). In order to incouple the light emitted from the first interferometer (10) into the optical wave guide (17) more simply and efficiently, light (14) that has a first number of transversal modes is incoupled into the first interferometer (10), and the optical wave guide ...
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      Mentions: AGFA Healthcare

    12. System For Optical Coherence Tomography (Wo 2008/101963)

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      The invention relates to a system for optical coherence tomography comprising an interferometer (20) provided with a beam splitter (24), a reflector (25), an illuminating arm (21 ), a sample arm (22) and a reference arm (23). In order to make the system more compact, simultaneously improving the image quality, a sample lens is disposed in the sample arm (22) of the interferometer (20). Light is focused in a focal point on or in the sample (1) through the sample lens. Also a reference lens is provided in the reference arm (23) of the interferometer, (20) through which lens light is ...
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      Mentions: AGFA Healthcare

    13. System For Optical Coherence Tomography (Wo 2008/101965)

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      The invention relates to a system for optical coherence tomography, said system comprising an interferometer (20), a detector (30) having a first number of detector elements for detecting light, and an optical wave guide (29) having a second number of individual fibres for transmitting light from the interferometer (20) to the detector (30). In order to make the system more compact and to simultaneously improve the image quality, said detector elements have a first centre-to-centre spacing and the individual fibres have a second centre-to-centre spacing. The first centre-to-centre spacing of the detector elements is greater that the second centre-to-centre spacing ...
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      Mentions: AGFA Healthcare
    1-13 of 13
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    System And Method For Optical Coherence Tomography (Wo 2008/101959) System and method for optical coherence tomography System for optical coherence tomography System and method for optical coherence tomography with modulated detector sensitivity System and method for optical coherence tomography with spectrally modulated light injected into optical fibre