1.Leibniz Institute of Photonic Technology, Jena, Germany
2.i3N & Physics Department, University of Aveiro, Campus de Santiago, Aveiro, Portugal
3.Abbe Center of Photonics and Faculty of Physics, Friedrich Schiller University Jena, Jena, Germany
4.Otto Schott Institute of Materials Research (OSIM), Friedrich Schiller University Jena, Jena, Germany
Markus A. Schmidt (markus-alexander.schmidt@uni-jena.de)
收稿日期:2024-08-22,
修回日期:2025-02-18,
录用日期:2025-03-13,
网络出版日期:2025-05-15,
纸质出版日期:2025-07-31
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3D nanoprinted fiber-interfaced hollow-core waveguides for high-accuracy nanoparticle tracking analysis[J]. LSA, 2025,14(7):2019-2029.
Pereira, D. et al. 3D nanoprinted fiber-interfaced hollow-core waveguides for high-accuracy nanoparticle tracking analysis. Light: Science & Applications, 14, 2019-2029 (2025).
3D nanoprinted fiber-interfaced hollow-core waveguides for high-accuracy nanoparticle tracking analysis[J]. LSA, 2025,14(7):2019-2029. DOI: 10.1038/s41377-025-01827-9.
Pereira, D. et al. 3D nanoprinted fiber-interfaced hollow-core waveguides for high-accuracy nanoparticle tracking analysis. Light: Science & Applications, 14, 2019-2029 (2025). DOI: 10.1038/s41377-025-01827-9.
The integration of functional components into flexible photonic environments is a critical area of research in integrated photonics and is essential for high-precision sensing. This work presents a novel concept of interfacing square-core hollow-core waveguides with commercially available optical fibers using 3D nanoprinting
and demonstrates its practical relevance through a nanoscience-based characterization technique. In detail
this innovative concept results in a monolithic
fully fiber-integrated device with key advantages such as alignment-free operation
high-purity fundamental mode excitation
full polarization control
and a unique handling flexibility. For the first time
the application potential of a fiber-interfaced waveguide in nanoscale analysis is demonstrated by performing nanoparticle-tracking-analysis experiments. These experiments involve the tracking and analysis of individual gold nanospheres diffusing in the hollow core waveguide
enabled by nearly aberration-free imaging
extended observation times
and homogeneous light-line illumination. The study comprehensively covers design strategy
experimental implementation
key principles
optical characterization
and practical applications. The fiber-interfaced hollow-core waveguide concept offers significant potential for applications in bioanalytics
environmental sciences
quantum technologies
optical manipulation
and life sciences. It also paves the way for the development of novel all-fiber devices that exploit enhanced light-matter interaction in a monolithic form suitable for flexible and remote applications.
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