  Optical detection of nanoscale objects without relying on fluorescence is a
current challenge due to their extremely weak interaction with light.
Resonator-enhanced absorption microscopy is a novel tool to heavily boost the
light-matter interaction. It combines highly sensitive, spatially resolved
imaging with spectroscopy, offering a competitive alternative to established
methods for the detection and analysis of nanoscale systems in nanotechnology,
material design, and the life sciences.
