Mechanics and Optics of Artificial Compound Eye Camera

Abstract eng:
Compound eye-inspired imaging devices can find vast applications due to their remarkable imaging characteristics, such as extremely large field of view angle, low aberrations, high acuity to motion and infinite depth of field. Recently, researchers have successfully developed a digital camera that resembles the structure and functions of apposition compound eyes of arthropod, by combining an elastic array of microlenses with a stretchable array of photodetectors. Designing an elastomeric microlens array that can be mechanically stretched to very large extent without deteriorating the optical performance is critical to this development. In this work, mechanics and optics of the stretchable microlens array is studied. The results show that proper designs are critically important to meet both mechanical and optical requirements simultaneously. This study solved critically important designing issues of artificial compound eye cameras, and the results can have very important implications in developments that require stretchable optical elements.

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