Fig. 2From: Compact and Scalable Large Vortex Array Generation Using Azocarbazole Polymer and Digital Hologram Printing TechniqueSchematic showing the process involved in the transfer of light intensity pattern as refractive index modulations (\(\Delta n\)) on the material sample utilizing the phenomena of photoinduced isomerization. a, b Cis-trans isomerization cycle, c phototriggered orientation. d Schematic of the photoinduced isomerization process at a single molecule levelBack to article page