Biomimetics involves the implementation of ideas and concepts from nature in different technoscientific fields. Aiming
at the further development of biomimetic optical metamaterials and devices, we devised the conformal-evaporated-filmby-
rotation (CEFR) technique to fabricate inorganic replicas of biotemplates with high reliability and fidelity at the
micro- and nano-scales. Some potential applications include high-sensitivity chemical sensors and biosensors, textured
coatings for solar cells and other energy-harvesting structures, environmental sensors, high-speed motion detectors,
surveillance systems, cameras for image-guided surgeries, as well as for many clinical treatments that can be controlled
by implanted light-delivery devices. Moreover, we demonstrated the successful conformal coating of the external
surface of a MEMS comb resonator by the CEFR technique, thereby extending application to microelectronics.