Code division multiplexing (CDM) is a useful method to address optical fiber sensors in remote networks by means of a single optical carrier. Our past studies of CDM for fiber optic networks of intensity modulating devices revealed that sensor-sensor crosstalk levels in the range of -60 dB are within reach and that a large number of sensor signals can be multiplexed. Our current effort aims to analyse the noise properties of interferometric networks interrogated using this scheme. Typical targeted figures of merits are; noise < 10 /spl mu/rad//spl radic/Hz, dynamic range > 80 dB, sensor bandwidth > 5 kHz, sensor to sensor crosstalk < 40 dB, number of sensors in each subarray > 30.


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    Titel :

    Code division multiplexing in interferometric optical fiber sensor networks


    Beteiligte:
    Kullander, F. (Autor:in)


    Erscheinungsdatum :

    01.01.2002


    Format / Umfang :

    327976 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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