Journal
SCIENCE ADVANCES
Volume 3, Issue 2, Pages -Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.1602655
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Funding
- Baden-Wurttemberg Stiftung
- European Research Council (Complexplas)
- Deutsche Forschungsgemeinschaft
- Bundesministerium fur Bildung und Forschung (PRINTOPTICS)
- Carl Zeiss Stiftung
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We present a highly miniaturized camera, mimicking the natural vision of predators, by 3D-printing different multilens objectives directly onto a complementary metal-oxide semiconductor (CMOS) image sensor. Our system combines four printed doublet lenses with different focal lengths (equivalent to f = 31 to 123 mm for a 35-mm film) in a 2 x 2 arrangement to achieve a full field of view of 70 degrees with an increasing angular resolution of up to 2 cycles/deg field of view in the center of the image. The footprint of the optics on the chip is below 300 mu m x 300 mu m, whereas their height is <200 mu m. Because the four lenses are printed in one single step without the necessity for any further assembling or alignment, this approach allows for fast design iterations and can lead to a plethora of different miniaturized multiaperture imaging systems with applications in fields such as endoscopy, optical metrology, optical sensing, surveillance drones, or security.
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