000K  utf8
1100  2023$c2023-06-06
1500  eng
2050  urn:nbn:de:gbv:27-dbt-20240226-160237-008
2051  10.1364/OPTICA.486144
3000  Gui, Fengji
3010  Foerster, Ronny
3010  Hofmann, Johannes
3010  Jiang, Shiqi
3010  Scheibinger, Ramona
3010  Schmidt, Markus A.
3010  Wieduwilt, Torsten
4000  Light strands$dexploring flat-field modes in optofluidic fibers for tracking single nano-objects  [Gui, Fengji]
4060  8 Seiten
4209  Structured light has enabled access to new physics and applications, and has particular potential in nanoscience. Here, we present a concept for creating light fields with constant intensity along all three spatial directions—a light strand— within externally accessible liquid-filled nanochannels integrated into optical fiber cores. We demonstrate all relevant properties of this mode, as well as a universally valid condition for obtaining flat fields and experimental evidence from nanoparticle tracking experiments. This concept can be adapted to other waveguides and could be valuable for characterizing rapidly diffusing nanoparticles in life science, analyzing nanoscale chemical reactions, investigating nanorheological phenomena, and understanding fundamental light–matter interactions.
4950  https://doi.org/10.1364/OPTICA.486144$xR$3Volltext$534
4950  https://nbn-resolving.org/urn:nbn:de:gbv:27-dbt-20240226-160237-008$xR$3Volltext$534
4961  https://www.db-thueringen.de/receive/dbt_mods_00059656
5051  530