A multispectral photovoltaic infrared detector comprises a plurality of layers of single-crystal, lead/alloy semiconductors on a single-crystal substrate of, e.g., barium fluoride, wherein each layer, except the one covering the substrate, partially covers the preceeding layer; a layered concentration of oxides between the layers to provide a positive-charge barrier to the minority-charge-carriers in the layers; a P-N junction in each layer in the uncovered portion thereof; an electrical contact connected ...
The ability of the eye to distinguish different colors is clearly an important source of information gathering. It has long been recognized that infrared systems would profit greatly by such an ability in areas such as target acquisition and identification, clutter and decoy rejection. No technology, however, has as yet emerged which could offer this capability at an affordable cost to most weapon systems. The present in-house program has been ...
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