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  • Quadrature phase-shift error analysis using a homodyne laser interferometer
    Gregorčič, Peter ; Požar, Tomaž ; Možina, Janez, fizik, 1945-
    The influence of quadrature phase shift on the measured displacemnet error was experimentally investigated using a two-detector polarizing homodyne laser interferometer with a quadrature detection ... system. Common nonlinearities, including the phase-shift error, were determined and effectively corrected by a roboust data-processing algorithm. The measured phase-shift error perfectly agress with the theoretically determined phase-shift error region. This error is systematic, periodic and severely asymmetrical around the nominal displacement value. The main results presented in this paper can also be used to assess and correct the detector errors of other interferometric and non-interferometric displacement-measuring devices based on phase-quadrature detection.
    Vir: Optics express [Elektronski vir]. - ISSN 1094-4087 (Vol. 17, no. 18, Avg. 2009, str. 16322-16331)
    Vrsta gradiva - članek, sestavni del
    Leto - 2009
    Jezik - angleški
    COBISS.SI-ID - 11029275

    Povezava(-e):

    http://dx.doi.org/10.1364/OE.17.016322

vir: Optics express [Elektronski vir]. - ISSN 1094-4087 (Vol. 17, no. 18, Avg. 2009, str. 16322-16331)

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