Figure 3. 3D LCN microstructures with encoded 2D director field.
a–f) Films with sinusoidal director field (a), coils with sinusoidal pattern (b), a ring with sinusoidal pattern (c), a film with +1 defect pattern (d), a ring with +1 defect pattern (e), and a ring with +2 defect pattern (f); (i), (ii), and (iii) show the schematic of director fields, POM images of LCN films and structures, and their POM images with rotated polarizers, respectively. Double-sided arrows exhibit the optical axis of the polarizers. All scale bars are 50 µm.