Passive infrared sensing using plasmonic resonant dust particles

Mark Mirotznik; William Beck; Kimberly Olver; John Little

doi:10.1117/12.883086

14 May 2011 Passive infrared sensing using plasmonic resonant dust particles

Mark Mirotznik, William Beck, Kimberly Olver, John Little

Proceedings Volume 8034, Photonic Microdevices/Microstructures for Sensing III; 80340A (2011) https://doi.org/10.1117/12.883086
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

Abstract

In this paper we present computational and experimental results of dust particles that can be tuned to preferentially reflect or emit IR radiation within the 8-14 μm band. The particles consist of thin metallic subwavelength gratings patterned on the surface of a simple quarter wavelength cavity. This design creates distinct IR absorption resonances by combining the plasmonic resonance of the grating with the natural resonance of the cavity. We will show that the resonance peaks are easily tuned by varying either the geometry of the grating or the thickness of the cavity. Here, we present a computational design algorithm along with experimental results that validate the design methodology.

Citation Download Citation

Mark Mirotznik, William Beck, Kimberly Olver, and John Little "Passive infrared sensing using plasmonic resonant dust particles", Proc. SPIE 8034, Photonic Microdevices/Microstructures for Sensing III, 80340A (14 May 2011); https://doi.org/10.1117/12.883086

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