1. Sven Meissner

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    1. Mentioned In 34 Articles

    2. Visualization of dynamic boiling processes using high-speed optical coherence tomography

      Visualization of dynamic boiling processes using high-speed optical coherence tomography
      Investigating microscale nucleate boiling processes with high heat flux requires experimental visualization and quantification with high spatial resolution in the micrometer range as well as a sufficient temporal resolution. Numerous measurement techniques are employed for providing comprehensive experimental data on microscale boiling processes and other multiphase flows. In this context, optical coherence tomography (OCT) has been introduced recently for the visualization of quasistatic growing vapor bubbles in turbid fluids with ...
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    3. Method And Arrangement For Checking Fingerprints For Authenticity

      Method And Arrangement For Checking Fingerprints For Authenticity
      The invention relates to a method and an arrangement (60) for checking fingerprints (2) for authenticity by means of optical coherence tomography, wherein the method has at least the following steps: real fingerprints (1) are scanned by means of a scanning unit (4) for the optical coherence tomography; three-dimensional maps in the form of volume data records (7) are created; the volume data records (7) of the real fingerprints (1 ...
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    4. Four-dimensional optical coherence tomography imaging of subpleural alveoli in mice

      Four-dimensional optical coherence tomography imaging of subpleural alveoli in mice
      The development of protective ventilation strategies for patients suffering from life-threatening lung diseases and the promotion of numerical simulation of lung tissue mechanics requires detailed knowledge about the three-dimensional alveolar micro-structure, their dynamics and elastic properties. Subpleural lung tissue can be observed in animal models utilizing optical coherence tomography (OCT) with a high spatial resolution. We present four-dimensional high-speed OCT imaging of single alveoli as a suitable technique for the ...
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    5. Feature Of The Week 8/5/12: Dresden University of Technology Uses OCT As a Tool for Microscope Investigation of Nucleated Boiling on Headed Surfaces

      Feature Of The Week 8/5/12: Dresden University of Technology Uses OCT As a Tool for Microscope Investigation of Nucleated Boiling on Headed Surfaces
      ...ngle bubble evaporation procedures in the nearer future/ For more information see recent Article. Courtesy of Sven Meissner from the Dresden University of Technology. Dresden University of Technology has been very active...
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    6. Feature Of The Week 7/15/12: 3D Simultaneous Optical Coherence Tomography and Confocal Fluorescence Microscopy for Investigation of Lung Tissue

      Feature Of The Week 7/15/12: 3D Simultaneous Optical Coherence Tomography and Confocal Fluorescence Microscopy for Investigation of Lung Tissue
      The acute respiratory distress syndrome (ARDS) is a life-threatening condition of the lung leading to a state of decreased lung compliance and blood oxygenation efficiency. The treatment of patients utilizes artificial ventilation, which has a tremendous impact on the lungs sensitive microenvironment and can even lead to further damage in the form of ventilator induced lung injury (VILI). As a basis for the understanding of physiological processes occurring on the ...
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    7. Three-dimensional simultaneous optical coherence tomography and confocal fluorescence microscopy for investigation of lung tissue

      Three-dimensional simultaneous optical coherence tomography and confocal fluorescence microscopy for investigation of lung tissue
      Although several strategies exist for a minimal-invasive treatment of patients with lung failure, the mortality rate of acute respiratory distress syndrome still reaches 30% at minimum. This striking number indicates the necessity of understanding lung dynamics on an alveolar level. To investigate the dynamical behavior on a microscale, we used three-dimensional geometrical and functional imaging to observe tissue parameters including alveolar size and length of embedded elastic fibers during ventilation ...
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    8. Feature Of The Week 5/20/12: Dresden University of Technology Investigates Precision Lung Dynamics Using Four-Dimensional OCT

      Feature Of The Week 5/20/12: Dresden University of Technology Investigates Precision Lung Dynamics Using Four-Dimensional OCT
      The treatment of urgent lung diseases, such as the acute respiratory distress syndrome and the acute lung injury, requires the development of protective ventilation strategies with the help of numerical simulations. For this purpose, information about the structure of lung tissue and its dynamics is required on an alveolar level. Optical coherence tomography (OCT) can obtain high resolution cross-sectional and volumetric data of lung tissue using rodent models. Access to ...
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    9. Multimodal imaging of lung tissue using optical coherence tomography and two photon microscopy

      Multimodal imaging of lung tissue using optical coherence tomography and two photon microscopy
      In the context of protective artificial ventilation strategies for patients with severe lung diseases, the contribution of ventilator settings to tissue changes on the alveolar level of the lung is still a question under debate. To understand the impact of respiratory settings as well as the dynamic process of respiration, high-resolution monitoring and visualization of the dynamics of lung alveoli are essential. An instrument allowing 3D imaging of lung tissue ...
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    10. Quantitative investigation of alveolar structures with OCT using total liquid ventilation during mechanical ventilation

      Quantitative investigation of alveolar structures with OCT using total liquid ventilation during mechanical ventilation
      To develop new treatment possibilities for patients with severe lung diseases it is crucial to understand the lung function on an alveolar level. Optical coherence tomography (OCT) in combination with intravital microscopy (IVM) are used for imaging subpleural alveoli in animal models to gain information about dynamic and morphological changes of lung tissue during mechanical ventilation. The image content suitable for further analysis is influenced by image artifacts caused by ...
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  2. About Sven Meissner

    Sven Meissner

    Sven Meissner studied Physical Technologies at the University of Applied Sciences Mittweida (Saxony, Germany). He carried out his diploma thesis at the Dresden University of Technology in the research group of Prof. Koch in 2005. In this thesis, he developed an OCT scanner head, which allows acquiring three‑dimensional OCT Data sets. In his Ph.D. thesis, which was finished in 2009, he used OCT to investigate the alveolar dynamics during artifical ventilation in vivo. Furthermore, he established a method to investigate the vasodynamics in mice with OCT. To date he has a postdoc position in the research group Clinical Sensoring and Monitoring at the Faculty of Medicine Carl Gustav Carus of the DresdenUniversity of Technology.