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Fakulteta za strojništvo, Ljubljana (FSLJ)
  • An optical fibre interferometric refractometer
    Suhadolnik, Alojz
    A new type of optical fibre interferometric refractometer has been made. A double interferometer consists of an optical fibre Mach-Zehnder interferometerand a Michelson interferometer. The first one ... measures the optical path length difference of the moving sample, while the second one measures the liquid sample displacement in air. A fringe count technique was used on both interferometers in order to obtain the refractive indices of different liquids. The described optical fibre interferometric refractometer was tested by measuring the refractive indices of different liquids, and the achieved results were compared to the results found in the literature. In addition, the refractive index of different concentrations of NaCl in water was measured and compared with the calculated calibration curve. The advantageof the proposed refractometer is high accuracy measurements includingthe simple construction of the optical fibre Mach-Zehnder interferometer and the commercially available Michelson interferometer.
    Vir: Measurement science & technology. - ISSN 0957-0233 (Letn. 18, št. 5, 2007, str. 1205-1208)
    Vrsta gradiva - članek, sestavni del
    Leto - 2007
    Jezik - angleški
    COBISS.SI-ID - 9902619

    Povezava(-e):

    http://dx.doi.org/10.1088/0957-0233/18/5/006

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vir: Measurement science & technology. - ISSN 0957-0233 (Letn. 18, št. 5, 2007, str. 1205-1208)

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