Raman Imaging Gallery - Polystyrene Beads on Si Plate
Carried out on a LabRAM ARAMIS
Laser wavelength : 532 nm
Number of points: 10,000
Raman images of polystyrene (PS) beads were recorded to demonstrate the spatial resolution of the instrument at submicron scale. Samples were purchased from NIST with certified nominal diameters (~2.77 μm for large beads and ~0.77 μm for small beads). They were placed on a Si and point mapped at 100 nm step. Multivariate analysis was performed on the spectral features of PS to create a Raman image of PS (x- and y-axes plot distance and z-axis scores).
