A gold nanoporous anodic aluminum oxide substrate enables surface-enhanced Raman spectroscopy detection of blood phenylalanine.
Atomic vapor delays scattered light to enable high-resolution spatial imaging without a spectrometer.
Optical measurement device adjusts power branching ratio and focal alignment to enhance signal-to-noise ratio in multiplex CARS microscopy.
Multiplexed Brillouin microscopy systems enable simultaneous spectral analysis of multiple sample points using epi-detection geometry.
A functionalized particle attached to a surface switches between bound and unbound states upon analyte binding, enabling precise detection through motion changes.
Preliminary action captures Raman signals within a specific time window, eliminating background fluorescence interference and improving measurement precision.
Replacing electronic gating with a transient grating eliminates timing jitter and removes expensive polarizers, enabling broadband ultrafast detection.