11 June 2013 Large-format 17μm high-end VOx μ-bolometer infrared detector
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Abstract
Long range sights and targeting systems require a combination of high spatial resolution, low temporal NETD, and wide field of view. For practical electro-optical systems it is hard to support these constraints simultaneously. Moreover, achieving these needs with the relatively low-cost Uncooled μ-Bolometer technology is a major challenge in the design and implementation of both the bolometer pixel and the Readout Integrated Circuit (ROIC). In this work we present measured results from a new, large format (1024×768) detector array, with 17μm pitch. This detector meets the demands of a typical armored vehicle sight with its high resolution and large format, together with low NETD of better than 35mK (at F/1, 30Hz). We estimate a Recognition Range for a NATO target of better than 4 km at all relevant atmospheric conditions, which is better than standard 2nd generation scanning array cooled detector. A new design of the detector package enables improved stability of the Non-Uniformity Correction (NUC) to environmental temperature drifts.
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U. Mizrahi, N. Argaman, S. Elkind, A. Giladi, Y. Hirsh, M. Labilov, I. Pivnik, N. Shiloah, M. Singer, A. Tuito, M. Ben-Ezra, I. Shtrichman, "Large-format 17μm high-end VOx μ-bolometer infrared detector", Proc. SPIE 8704, Infrared Technology and Applications XXXIX, 87041H (11 June 2013); doi: 10.1117/12.2015653; https://doi.org/10.1117/12.2015653
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