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Q: Fachverband Quantenoptik und Photonik
Q 29: Photonics
Q 29.1: Vortrag
Mittwoch, 13. März 2024, 11:00–11:15, HS 1221
Thermally Expanded Core Fiber: a Novel Platform for Meta-Fibers — •Mohammadhossein Khosravi1,2, Jisoo Kim1,2, Malte Plidschun1,2, Torsten Wieduwilt1, Matthias Zeisberger1, and Markus Schmidt1,2,3 — 1Leibniz Institute of Photonic Technology, 07745, Jena, Germany — 2Abbe Center of Photonics and Faculty of Physics, FSU Jena, 07745, Jena, Germany — 3Otto Schott Institute of Material Research, FSU Jena, 07745, Jena, Germany
Meta-Fibers, incorporating 3D-printed Metalens technology into optical fiber facets, offer versatility in imaging, optical trapping, and electromagnetic wave manipulation. While Single-Mode Fiber (SMF) is prized for its precise output, its limited mode field diameter presents challenges, often necessitating fusion splicing with Multi-Mode Fiber (MMF) or intricate 3D-printed structures to expand the usable beam cross-section. However, these methods are complex and risk damaging the Meta-Fiber. This study proposes an alternative solution by replacing SMF with Thermally Expanded Core (TEC) fiber, known for its significantly larger mode field diameter. This novel approach facilitates optical trapping and imaging through the integration of a 3D laser-printed ultra-high numerical aperture metalens into TEC fibers, demonstrating effective performance in diverse environments. The results not only broaden the applications of Meta-Fiber but also present a more efficient, robust, and scalable solution for optical wavefront manipulation. Moreover, the study underscores the potential of TEC fibers in advancing optics and photonics technology.
Keywords: Meta-Fiber; hermally Expanded Core Fiber; Metalens