Wave analysis of bio-inspired eye structures for infrared detection

The dynamics of nature and the science of bioinspired technology can provide life vision for technologies. In this study, wave analyses were performed of bioinspired compound eyes to see the practicability of designing novel infrared detectors. By means of finite-difference time-domain numerical calculations, a large operational bandwidth, ranging from 3.0-12.0 μm, together with a high transmission efficiency over 85% have been achieved. The present study may provide useful guidance into the understanding of electromagnetic wave phenomenon inside bioinspired photodetectors.