Figure 4.

Hyperspectral imaging-based two-dimensional (2D) spatial optical interrogation of nanophotonic sensors. (a) Dark-field transmission configuration used to acquire scattering spectra from many individual plasmonic nanoparticles simultaneously. Adapted with permission from [71]. Copyright 2005 American Chemical Society; (b) bright-field transmission configuration used for high throughput spatial and spectral data acquisition from high-Q dielectric metasurfaces. Adapted with permission from [29]. Copyright 2019 Nature Publishing Group.