7 January 2015 High-throughput optical system for HDES hyperspectral imager
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Proceedings Volume 9442, Optics and Measurement Conference 2014; 94421D (2015) https://doi.org/10.1117/12.2175935
Event: Optics and Measurement Conference 2014, 2014, Liberec, Czech Republic
Abstract
Affordable, long-wave infrared hyperspectral imaging calls for use of an uncooled FPA with high-throughput optics. This paper describes the design of the optical part of a stationary hyperspectral imager in a spectral range of 7–14 um with a field of view of 20°×10°. The imager employs a push-broom method made by a scanning mirror. High throughput and a demand for simplicity and rigidity led to a fully refractive design with highly aspheric surfaces and off-axis positioning of the detector array. The design was optimized to exploit the machinability of infrared materials by the SPDT method and a simple assemblage.
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Jan Václavík, Radek Melich, Pavel Pintr, Jan Pleštil, "High-throughput optical system for HDES hyperspectral imager", Proc. SPIE 9442, Optics and Measurement Conference 2014, 94421D (7 January 2015); doi: 10.1117/12.2175935; https://doi.org/10.1117/12.2175935
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