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Fiber-optic interferometric polarization analyzer

Fiber-optic interferometric polarization analyzer,10.1109/IMTC.2002.1007180,Leszek R Jaroszewicz,P. Marc

Fiber-optic interferometric polarization analyzer   (Citations: 3)
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In the paper theoretical and experimental investigations of a possibility the full polarization parameters measurement by the in-line fiber-optic interferometer in the Sagnac configuration is described The presented device uses interferometric measurement technique based on the fourth Fresnel-Arago's condition, which secures very good system accuracy and stability. The detection of the polarization state as well as degree of the polarization in real time by the devices containing standard single-mode fiber and an appropriate applied modulation technique is a new system property.
Conference: IEEE Instrumentation and Measurement Technology Conference - I2MTC , vol. 2, pp. 1497-1501 vol.2, 2002
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    • ...On this basis, the system named the fiber-optic interferometric polarization analyzer (FOIPA) based on FOSE has been described [13], [14]...
    • ...Generally, this admits a linear light depolarization process only, as it has been mentioned previously in article [13]...
    • ...From these reasons the other approach, called the SOP distribution function approach applied to the description of the partially polarized light, has been mentioned in article [13]...
    • ...Because we need compatibility with previously descriptions [6], [13], [14], in this work, we apply the first model, hence intensity definition takes the form...
    • ...Because, in the FOIPA, the interacting waves protect the phase correlation in range of one wavelength [16], for partially polarized light, the output electrical signals in the SOP distribution function approach can be described as [13]...

    Leszek R. Jaroszewiczet al. Fiber-optic interferometric polarization analyzer: new approach to pol...

    • ...However, this classic approach to partially polarized light assumes a priori mutual independence of DOP and SOP what caused a linear light depolarization process only, as it has been mentioned previously in article [5]...

    P. Marcet al. In-line fiber-optic system for depolarization process analysis

    • ...Introducing an appropriate amplitude of phase modulation which fulfils the condition mentioned in Section III-B ( i.e., ), the electrical signals generated by the detector D1 and D2 have the following forms [21]...
    • ...For the FOIPA system, the Hitachi laser diode with catalog has been used in experiment [21]...

    Leszek R. Jaroszewiczet al. Inline fiber-optic polarization analyzers for sensor application

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