1. Articles from D. V. Shabanov

    1-2 of 2
    1. Cross-Polarization Optical Coherence Tomography with Active Maintenance of the Circular Polarization of a Sounding Wave in a Common Path System

      Cross-Polarization Optical Coherence Tomography with Active Maintenance of the Circular Polarization of a Sounding Wave in a Common Path System

      We consider a cross-polarization optical coherence tomography system with a common path for the sounding and reference waves and active maintenance of the circular polarization of a sounding wave. The system is based on the formation of birefringent characteristics of the total optical path, which are equivalent to a quarter-wave plate with a 45° orientation of its optical axes with respect to the linearly polarized reference wave. Conditions under which any light-polarization state can be obtained using a two-element phase controller are obtained. The dependence of the local cross-scattering coefficient of light in a model medium and biological tissue on ...

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    2. Suppression of image autocorrelation artefacts in spectral domain optical coherence tomography and multiwave digital holography

      Suppression of image autocorrelation artefacts in spectral domain optical coherence tomography and multiwave digital holography

      An improved method for suppressing image artefacts in spectral domain optical coherence tomography (SD OCT) and multiwave digital holography, caused by the influence of coherent noise in the course of successive registration of an autocorrelation component and informative signal is reported. The method allows complete suppression of all types of coherent noises, provided that the sample of values used to record the autocorrelation component satisfies the conditions of Kotelnikov's theorem: in SD OCT — for the transverse structure of the studied medium, in multiwave digital holography — for the envelop function of the radiation source frequency tuning spectrum.

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    1-2 of 2
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  2. Topics in the News

    1. (2 articles) Dmitry A. Terpelov
    2. (2 articles) Grigory V. Gelikonov
    3. (2 articles) Valentin M. Gelikonov
    4. (2 articles) Pavel A. Shilyagin
    5. (1 articles) Institute of Applied Physics
    6. (1 articles) Nizhny Novgorod State Medical Academy
    7. (1 articles) University of Toronto
    8. (1 articles) I. Alex Vitkin
    9. (1 articles) Northwestern University
    10. (1 articles) Hao F. Zhang
    11. (1 articles) Roman V. Kuranov
    12. (1 articles) Cheng Sun
    13. (1 articles) Opticent Health
    14. (1 articles) Avinger
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