1. Articles from Joachim Probst

    1-2 of 2
    1. Real-time volumetric optical coherence tomography OCT imaging with a surgical microscope

      Real-time volumetric optical coherence tomography OCT imaging with a surgical microscope
      Optical coherence tomography is a unique technique to visualize subsurface tissue structures with a resolution below 10μm during microsurgery without tissue contact. Since it was introduced more than 15 years ago imaging speed was boosted by more than three orders of magnitude, from less than 100 to more than 300,000 A-scans per second. Instead of taking only still images of anatomical structures, the increased speed of OCT allows now to image volumes nearly in real time. This enables not only the scanning of larger tissue surfaces, but also opens new application beyond simple diagnosis. A noncontact volumetric imaging with ...
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    2. Optical coherence tomography with online visualization of more than seven rendered volumes per second

      Optical coherence tomography with online visualization of more than seven rendered volumes per second
      Nearly real-time visualization of 3-D volumes is crucial for the use of optical coherence tomography (OCT) during microsurgery. With an ultrahigh speed spectral domain OCT coupled to a surgical microscope, on-line display of 7.2 rendered volumes at 87 megapixels per second is demonstrated. Calculating the A-scans from the spectra is done on a quad-core personal computer (PC), while dedicated software for the 3-D rendering is executed on a high performance video card. Imaging speed is practically only limited by the readout of the camera. First experiments show the feasibility of real-time 3-D OCT for guided interventions.
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    1-2 of 2
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    1. (2 articles) University of Lübeck
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