Researchers investigate new physical phenomena on the nanoscale with microstructured fibers

https://phys.org/news/2023-09-physical-phenomena-nanoscale-microstructured-fibers.html

"glass fiber enabling homogeneous and constant illumination  diffusing nanoparticles along entire fiber measuring length...  liquid-filled nanochannels containing diffusing nano-objects in 400 nm diameter fiber core center... illuminated intensively and homogeneously preventing light intensity variations at nanochannel's outer edge... characterize freely diffusing 9 nm nanoparticles with high precision... semiconductors, pharmaceuticals, bioanalytics (viruses) and materials sciences"