PBG fibers for gas concentration measurement

Joanna Pawłat*, Tadashi Sugiyama, Takahiro Matsuo, Toshitsugu Ueda

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    9 Citations (Scopus)


    The idea of a high-sensitivity gas concentration measuring system based on a photonic bandgap fiber (PBG fiber) is studied. Several types of PBG fibers of various parameters have been designed. Core diameters range from 10.9 to 26.25 μm. The capillary gas flow rate within the fiber has been simulated and measured. The attenuation of newly produced fibers is investigated and the concentration of ammonia gas is measured using a proposed sensing system. A new method for cutting the fiber using an Ar ion beam in a vacuumed chamber is tested to obtain the required angle of the fiber's end, and to avoid the destruction of the cladding structure.

    Original languageEnglish
    Pages (from-to)743-752
    Number of pages10
    JournalPlasma Processes and Polymers
    Issue number7-8
    Publication statusPublished - 2007 Oct 22


    • Ar ion-beam cutting
    • Gas sensors
    • Microcapillary flow
    • Optical fiber
    • Optical properties
    • PBG

    ASJC Scopus subject areas

    • Polymers and Plastics
    • Physics and Astronomy (miscellaneous)


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