Fabrication of photonic bandgap fiber gas cell using focused ion beam cutting

Xuefeng Li, Joanna Pawtat, Jinxing Liang, Guan Xu, Toshitsugu Ueda

    Research output: Contribution to journalArticle

    10 Citations (Scopus)

    Abstract

    In this paper, we present a novel low-loss splice for use between the photonic bandgap fiber (PBGF) and the conventional step index fiber to make PBGFs more functional. The gap between the butt-coupled fibers is the most important parameter for maintaining good output coupling efficiency and allowing gas diffusion. To achieve the small gap, a focused ion beam (FIB) milling technique was developed to clean the fiber surface. The gap is adjustable from 0 to 400mm, and the typical connection loss at a gap of 20mm is 1.6dB. A measurement system for low gas concentrations based on the PBGF cell has been developed and implemented. Experiments for measuring ammonia gas at the ppm level were performed. The basic peak agreed well with the database of the Pacific Northwest National Laboratory (PNNL), meaning that this method can be used to accurately and effectively measure gas concentration.

    Original languageEnglish
    JournalJapanese Journal of Applied Physics
    Volume48
    Issue number6 PART 2
    DOIs
    Publication statusPublished - 2009 Jun

    Fingerprint

    Photonic bandgap fibers
    Focused ion beams
    ion beams
    photonics
    Fabrication
    fabrication
    fibers
    cells
    Gases
    gases
    Optical fiber coupling
    Diffusion in gases
    Fibers
    Ammonia
    Pacific Northwest (US)
    gaseous diffusion
    ammonia
    Experiments
    output

    ASJC Scopus subject areas

    • Engineering(all)
    • Physics and Astronomy(all)

    Cite this

    Fabrication of photonic bandgap fiber gas cell using focused ion beam cutting. / Li, Xuefeng; Pawtat, Joanna; Liang, Jinxing; Xu, Guan; Ueda, Toshitsugu.

    In: Japanese Journal of Applied Physics, Vol. 48, No. 6 PART 2, 06.2009.

    Research output: Contribution to journalArticle

    Li, Xuefeng ; Pawtat, Joanna ; Liang, Jinxing ; Xu, Guan ; Ueda, Toshitsugu. / Fabrication of photonic bandgap fiber gas cell using focused ion beam cutting. In: Japanese Journal of Applied Physics. 2009 ; Vol. 48, No. 6 PART 2.
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