Fiber microprobe with integrated gradient index vortex mask

Hue Thi Nguyen, Krzysztof Switkowski*, Adam Filipkowski, Rafal Kasztelanic, Dariusz Pysz, Hieu Van Le, Ryszard Stepien, Wieslaw Krolikowski, Ryszard Buczynski

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)

    Abstract

    Novel fiber microprobe comprising a nanostructured gradient index optical vortex phase mask and single-mode fiber was investigated numerically and experimentally. The mask which, consists of spatially distributed sub-wavelength nanorods, was fabricated via the modified stack-and-draw fiber drawing technique. The mask has flat input and output surfaces and transverse dimensions of a standard single-mode fiber. The microprobe allows efficient generation of high-quality optical vortex beams in different environments such as air and water.

    Original languageEnglish
    Article number126345
    JournalOptics Communications
    Volume477
    DOIs
    Publication statusPublished - 15 Dec 2020

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