Ultrathin four-reflection imager

Ultrathin four-reflection imager

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 degrees field of view over 1.92 megapixels of a color image sensor with 3 microm pixels. We als...

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Veröffentlicht in:Applied Optics 2009-01, Vol.48 (2), p.343-354
Hauptverfasser: Tremblay, Eric J, Stack, Ronald A, Morrison, Rick L, Karp, Jason H, Ford, Joseph E
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container_title Applied Optics
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creator Tremblay, Eric J
Stack, Ronald A
Morrison, Rick L
Karp, Jason H
Ford, Joseph E
description 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 degrees field of view over 1.92 megapixels of a color image sensor with 3 microm 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.
doi_str_mv 10.1364/AO.48.000343
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title Ultrathin four-reflection imager
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