GLASS SELECTION FOR INFRARED LENS DESIGN
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United States of America Patent
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Issued Date -
Sep 18, 2014
app pub date -
Mar 18, 2014
filing date -
Mar 15, 2013
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Abstract
The invention relates to process for manufacturing infrared optical lenses that will transmit in multiple infrared bands, for example, lenses with multiple optical elements such as doublet and triplet lenses (i.e., achromatic, apochromatic, and superachromatic optical elements). The lens materials are selected on the basis of dispersion ratios and/or minimum dispersions and minimum dispersion wavelengths as defined herein.
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