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30 August 2004 Infrared frequency selective surfaces: design, fabrication, and measurement
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A frequency selective surface (FSS) is designed and fabricated to resonate in the infrared. This IR FSS is designed using Periodic Method of Moments (PMM) software and is based on circuit-analog resonance of square loop conducting elements. The FSS is fabricated via electron beam lithography. The spectral characteristics of this surface are studied in the mid-infrared employing a spectral radiometer. The IR FSS may operate as an emissive narrowband source or reflective bandpass filter centered at a wavelength of 6.5μm, sharply cutting off short wavelength radiation and gradually filtering longer wavelengths. The addition of a superstrate layer, intended to further shape the FSS spectral signature, is also studied and the results discussed.
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Brian Monacelli, Jonothan B. Pryor, Ben A. Munk, Dale K. Kotter, and Glenn D. Boreman "Infrared frequency selective surfaces: design, fabrication, and measurement", Proc. SPIE 5406, Infrared Technology and Applications XXX, (30 August 2004);

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