Researchers build curved insectsized artificial compound eye…

24 Мар 2015 | Author: | No comments yet »
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Researchers build curved artificial compound eye (w/ video)

Artificial Compound Eye. (A) of the CurvACE prototype. The entire occupies a volume of 2.2 cm3, 1.75 g, and consumes 0.9 W at maximum (B) Illustration of the panoramic FOV of the fabricated The dots and circles represent the orientation and acceptance angle of ommatidium, respectively. Credit:


(Phys.org) —A team of European working at École polytechnique de Lausanne (EPFL) in Switzerland has an artificial compound eye that is to those in insects such as the fly. In their paper in the Proceedings of the National Academy of . the team describes how they the problem of accurately aligning and other optical components on a surface by using stacked of microelectronics.

Vision in humans is achieved by two eyes and works well for discrimination of objects. Most members of the animal kingdom, rely on compound eyes—where eye has multiple lenses. Such don’t provide the degree of of single-lens eyes, but they do a larger field of view and response times to movement. looking to replicate the nearly response times of flies and insects as well as their to see most of the world around (without having to turn heads) have been to create artificial compound While there has been

progress made by many in this area, there remained two sticking points: the eyes of the right size and an accurate wrapping design. In new effort, the Swiss team to have made significant in both areas.

In insects, the eye surface is made up of a of very small optical known collectively as the ommatidia. To a tiny artificial compound the researchers set out to duplicate the ommatidia of flies and other arthropod Their version consists of layers: an outer layer of a middle layer of light and an inner layer circuit made flexible by using a cut design. The result, which the calls the CurvACE, is an artificial eye with a 180 degree field of and that is small enough to sit on a

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The CurvACE operates at 150 frames per and is able to operate in either or low-light environments. The next for researchers will be embedding the eye as a pair) in tiny flying The team notes that new technology may have other as well. They suggest clothes as one example, which change shape as a person to improve comfort. Another application would be as security or even as a means for providing recognition for artificial skin.

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information: Miniature curved compound eyes, PNAS . online before print May 20, doi: 10.1073/pnas.1219068110

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