Figure 2
From: Photo-elasticity of silk fibroin harnessing whispering gallery modes
Transmission WGM spectra for a 32 μm diameter silk fibroin cavity, for TE (black) and TM (red) polarizations, as cast (Silk I) and after annealing at 180 °C (Silk II). The modal allocation presented above refers to modes with radial order l = 1.
