Multiple wavelength and multiple field of view imaging devices and methods
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United States of America Patent
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Mar 10, 2009
Grant Date -
Mar 3, 2005
app pub date -
Aug 5, 2004
filing date -
Aug 29, 2003
priority date (Note) -
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Abstract
An imaging device consistent with one of numerous embodiments has an opaque planar sheet with a plurality of pinholes defining a photon sieve in the sheet, wherein, the photon sieve comprises at least first and second regions. The first region exhibits a first focal length, a first field of view, a first transmissivity, a first resolution and a first wavelength, and the second region exhibiting a second focal length, a second field of view, a second transmissivity, a second resolution and a second wavelength. At least one of the first focal length, the first wavelength, the first transmissivity, the first resolution and the first field of view is different from the second focal length, the second wavelength, the second transmissivity, the second resolution and the second field of view. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
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