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research article
Ultrathin four-reflection imager
2009
We present the design and experimental demonstration of an ultrathin four-reflection imager. The F/1.15 prototype imager achieves a focal length of 18.6 mm in a track length of just 5.5 mm, providing a 17° field of view over 1.92 megapixels of a color image sensor with 3 μm pixels. We also present the design and experimental results of pupil-phase encoding and postprocessing, which were applied to extend the depth of field and compensate a small amount of axial chromatic aberration present in the four-reflection imager prototype.
Type
research article
Authors
Tremblay, Eric J.
•
Stack, Ronald A.
•
Morrison, Rick L.
•
Karp, Jason H.
•
Ford, Joseph E.
Publication date
2009
Published in
Volume
48
Issue
2
Start page
343
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
December 22, 2011
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