Advanced Materials, Vol.17, No.5, 541-541, 2005
Three-dimensional spiral-architecture photonic crystals obtained by direct laser writing
A recently elaborated novel class of spiral-architecture photonic crystals, which has promising photonic bandgap properties, is realized by direct laser writing in SU-8 (see Figure). Such self-supporting structures show signatures of photonic stopgaps at infrared wavelengths, and can serve as accurate templates for infiltration of higher-refractive-index materials.