SPbPU Journal - Physics and Mathematics
    St. Petersburg Polytechnic University Journal: Physics and MathematicsPeter the Great St. Petersburg Polytechnic University
    Since 2008
    ISSN 2304-9782
    ISSN 2618-8686
    ISSN 2405-7223
    enАнглийский
    Version for the visually impaired
    AuthorLeonid B. Liokumovich
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    Latest issues
    Leonid B. Liokumovich
    Leonid B. Liokumovich
    Affiliation
    Peter the Great St. Petersburg Polytechnic University
    Publications
    Orcid ID
    0000-0001-5988-1429

    Efficiency improving of the sound pressure transformation in fiber interferometric microphones

    Experimental technique and devices
    Kudryashov A.V.Liokumovich L.B.Medvedev A.V.
    • Year: 2011
    • Issue: 3
    • 0
    • 9203
    • Pages: 76-83

    Technique of digital signal processing of Raman spectra for hydrocarbon lubricants condition diagnostics based on viscosity estimation

    Experimental technique and devices
    Ushakov N.A.Dorigo D.Kotov O.I.Liokumovich L.B.
    • Year: 2012
    • Issue: 1
    • 1
    • 9496
    • Pages: 60-67

    An amplitude fiber optic acoustic sensor

    Experimental technique and devices
    Kotov O.I.Kudryashov A.V.Liokumovich L.B.Medvedev A.V.
    • Year: 2010
    • Issue: 3
    • 0
    • 9640
    • Pages: 134-144

    The fiber-optic interferometric schemes with multiplexed sensitive elements: an analysis of output optical power level

    Radiophysics
    Kostromitin A.O.Liokumovich L.B.Skliarov P.V.Kotov O.I.
    • Year: 2020
    • Volume: 13
    • Issue: 2
    • 35
    • 8237
    • Pages: 126-141

    An output power level of the fiber-optic interferometric schemes with fiber Bragg gratings for multiplexing the sensitive elements

    Radiophysics
    Liokumovich L.B.Kostromitin A.O.Skliarov P.V.Kotov O.I.
    • Year: 2020
    • Volume: 13
    • Issue: 4
    • 38
    • 8095
    • Pages: 185-202

    An analysis of corrections to the propagation constants of a multimode parabolic optical fiber under bending

    Radiophysics
    Markvart A.A.Liokumovich L.B.Ushakov N.A.
    • Year: 2021
    • Volume: 14
    • Issue: 2
    • 105
    • 8079
    • Pages: 104-117

    The influence of human arterial network’s frequency characteristics on a pulse wave delay estimation

    Radiophysics
    Ushakov N.A.Semina E.S.Markvart A.A.Liokumovich L.B.
    • Year: 2021
    • Volume: 14
    • Issue: 4
    • 64
    • 6906
    • Pages: 158-171

    Estimating the measurement resolution of an arbitrary finesse fiber-optic Fabry — Perot interferometer via Cramer — Rao bound

    Radiophysics
    Markvart A.A.Liokumovich L.B.Ushakov N.A.
    • Year: 2021
    • Volume: 14
    • Issue: 4
    • 57
    • 7002
    • Pages: 172-189

    The spectral characteristics of a multilayer extrinsic fiber Fabry — Perot interferometer

    Physical optics
    Liokumovich L.B.Ushakov N.A.Markvart A.A.Evdokimenko E.Yu.
    • Year: 2022
    • Volume: 15
    • Issue: 4
    • 30
    • 5939
    • Pages: 129-146

    Synthesis of window functions for reducing systematic errors of multiplexed fiber-optic sensors

    Radiophysics
    Markvart A.A.Liokumovich L.B.Ushakov N.A.
    • Year: 2022
    • Volume: 15
    • Issue: 3
    • 33
    • 5826
    • Pages: 185-200

    Description of polarization-maintaining fibers in analyzing the practical fiber-optic circuits using the Jones formalism

    Radiophysics
    Temkina V.S.Liokumovich L.B.Archelkov A.B.Buchilko I.R.Medvedev A.V.Petrov A.V.
    • Year: 2023
    • Volume: 16
    • Issue: 3
    • 233
    • 5883
    • Pages: 95-114

    Spun fibers and their description within the Jones formalism in analyzing the practical fiberoptic circuits

    Radiophysics
    Temkina V.S.Liokumovich L.B.Archelkov A.B.Medvedev A.V.Kozlov A.S.Greshnevikov K.V.
    • Year: 2023
    • Volume: 16
    • Issue: 4
    • 44
    • 4946
    • Pages: 198-214

    Nondestructive testing of optical fibers using the optical coherence tomography

    Radiophysics
    Erovenko Z.A.Markvart A.A.Petrov A.V.Bisyarin M.A.Liokumovich L.B.Ushakov N.A.
    • Year: 2025
    • Volume: 18
    • Issue: 4
    • 14
    • 946
    • Pages: 190-205

    The response of an intermodal fiber-optic interferometer with SMSMS structure in case of spectral interrogation to changes in the refractive index of the external environment

    Radiophysics
    Zavalishina L.D.Markvart A.A.Zaripov A.E.Bisyarin M.A.Liokumovich L.B.Ushakov N.A.
    • Year: 2025
    • Volume: 18
    • Issue: 4
    • 15
    • 907
    • Pages: 206-220