Frontal Aperture Stop for IR Optics
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United States of America Patent
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Issued Date -
Nov 26, 2015
app pub date -
Dec 20, 2013
filing date -
Dec 28, 2012
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Abstract
An IR imaging system is presented comprising an optical assembly comprising an optical assembly with a lens housing made of an organic polymer, the housing structurally defining a frontal aperture stop having an object-side surface and a detector-side surface, characterized in that the aperture stop comprises a metallic diaphragm. This results in an affordable design, well suited to be build into portable or mobile devices, in particular when protected behind an IR-transparent window.
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