2 September 2008 Barium strontium titanate (BST) pyroelectric detector for bolometric solar imaging
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The Solar Bolometric Imager (SBI) is an imaging solar telescope assembly that employs a novel single-detector broadband bolometric measurement technique. An uncooled thermal IR imaging detector is coated with a thin gold-black film that absorbs over 98% of the solar spectrum. The absorbed energy is then re-radiated in the thermal IR and sampled by the detector array. This technique [4] provides an evenly weighted integrated responsivity that spans the majority of the solar spectrum (0.2-2.5μm). We present here performance results from the follow-on gold-black deposition process investigation, radiation testing results, spacecraft instrument design and some of the prototype detector/imaging system's flight performance and calibration data from our 2007 Ft. Sumner balloon flight that demonstrates the instrument met or exceeded all of its specification.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
M. Noble, P. Bernasconi, A. Francomacaro, H. Eaton, B. Carkhuff, P. Foukal, "Barium strontium titanate (BST) pyroelectric detector for bolometric solar imaging", Proc. SPIE 7055, Infrared Systems and Photoelectronic Technology III, 70550A (2 September 2008); doi: 10.1117/12.793890; https://doi.org/10.1117/12.793890


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