Dresden 2017 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 14: Poster: Bioinspired Functional Materials

CPP 14.6: Poster

Montag, 20. März 2017, 18:30–21:00, P1C

Simulation of the Cuticular Photonic Crystals Evolved by the Neotropic Weevil Entimus Imperialis — •Fernando Luis Rodríguez Gallegos¹, Xia Wu², and Jens Förstner¹ — ¹Theoretical Electrical Engineering Group, Paderborn University, Germany — ²Department of Chemistry, Paderborn University, Germany

We analyze the reflectance within the visible spectrum of the photonic crystals found in the scales of the neotropic weevil Entimus Imperialis. Our simulations show that the reflected signal at certain frequencies is cross polarized with respect to the excitation source. We present details of our simulation procedure, explain the underlying mechanism using a reduced equivalent structure and finally show the agreement to our experimental results.