1. Articles from Alexander M. Sergeev

    1-5 of 5
    1. Optical coherence tomography apparatus, optical fiber lateral scanner and a method for studying biological tissues in vivo

      In a method for in vivo diagnostics of a biological tissue covered with epithelium an image of the biological tissue is acquired with the aid of a beam in the visible or near IR range directed towards a biological tissue by visualizing the intensity of optical radiation backscattered by the biological tissue. The basal membrane of said biological tissue, which separates the epithelium from an underlying stroma, is identified in the acquired image and diagnostics is performed on basis of the form of the basal membrane. For diagnostics of biological tissue lining the surface of cavities and internal organs of ...
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    2. Optical coherence tomography apparatus, optical fiber lateral scanner and a method for studying biological tissues in vivo

      The present invention relates to the analysis of the internal structures of objects using optical means. According to the invention there were designed an apparatus suited for optical coherence tomography (OCT), an optical fiber lateral scanner (15), which is a part of said apparatus and is incorporated into an optical fiber probe (8), and a method for studying biological tissue in vivo, which allows for making a diagnostics of the biological tissue under study on basis of the state of the basal membrane (46). The moving part of lateral scanner (15) of sampling arm (4) of interferometer (2) is arranged ...
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    3. Optical coherent tomography apparatus, fiberoptic lateral scanner and method for studying biological tissues in vivo

      The present invention relates to the analysis of the internal structures of objects using optical means. According to the invention there were designed an apparatus suited for optical coherence tomography (OCT), an optical fiber lateral scanner (15), which is a part of said apparatus and is incorporated into an optical fiber probe (8), and a method for studying biological tissue in vivo, which allows for making a diagnostics of the biological tissue under, study on basis of the state of the basal membrane (46). The moving part of lateral scanner (15) of sampling arm (4) of interferometer (2) is arranged ...
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    4. Optical fiber interferometer with PZT scanning of interferometer arm optical length

      The invention is related to technical physics, in particular to devices for investigating the internal structure of objects and can be used in medicine for diagnostics of human organs and systems, in particular for optical coherence tomography and in technical diagnostics, for example technological process control. The invention relates to the creation of an optical-fiber interferometer, which, being used in a device for optical coherence tomography, allows one to investigate media with short time of changing of optical characteristics or its position relative to the optical probe, for example biotissues in vivo. The invention also relates to the creation of ...
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    5. Optical fiber interferometer and piezoelectric modulator

      The invention is related to technical physics, in particular to devices for investigating the internal structure of objects and can be used in medicine for diagnostics of human organs and systems, in particular for optical coherence tomography and in technical diagnostics, for example technological process control. The invention relates to the creation of an optical-fiber interferometer, which, being used in a device for optical coherence tomography, allows one to investigate media with short time of changing of optical characteristics or its position relative to the optical probe, for example biotissues in vivo. The invention also relates to the creation of ...
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    1-5 of 5
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  2. Topics in the News

    1. (5 articles) Institute of Applied Physics
    2. (5 articles) Valentin M. Gelikonov
    3. (5 articles) Grigory V. Gelikonov
    4. (5 articles) Felix I. Feldchtein
    5. (5 articles) Natalia D. Gladkova
    6. (5 articles) Alexander M. Sergeev
    7. (5 articles) Imalux
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