Mid-IR supercontinuum generation beyond 7 μm using a silica-fluoride-chalcogenide fiber cascade

Christian Rosenberg Petersen, Peter M. Moselund, Christian Petersen, Uffe Visbech Møller, Ole Bang

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    We report on an experimental demonstration of mid-infrared cascaded supercontinuum generation in commercial silica, fluoride, and chalcogenide fibers as a potentially cheap and practical alternative to direct pumping schemes. A pump continuum up to 4.4 μm was generated in cascaded silica and fluoride fibers by an amplified 1.55 μm nanosecond diode laser. By pumping a commercial Ge10As22Se68 single-material photonic crystal fiber with 135.7 mW of the pump continuum from 3.5- 4.4 μm, we obtained a continuum up to 7.2 μm with a total output power after the collimating lens of 54.5 mW, and 3.7 mW above 4.5 μm.
    Original languageEnglish
    Title of host publicationProceedings of SPIE
    Number of pages6
    Volume9703
    PublisherSPIE - International Society for Optical Engineering
    Publication date2016
    Article number97030A
    DOIs
    Publication statusPublished - 2016
    EventOptical Biopsy XIV - The Moscone Center, San Francisco, United States
    Duration: 15 Feb 201617 Feb 2016

    Conference

    ConferenceOptical Biopsy XIV
    LocationThe Moscone Center
    Country/TerritoryUnited States
    CitySan Francisco
    Period15/02/201617/02/2016

    Keywords

    • Supercontinuum
    • Mid-infrared pulse
    • Infrared fibers
    • Fiber cascade
    • ZBLAN
    • Chalcogenide

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