Spectrally-selective thermal radiation from electrically-driven infrared hyperbolic resonators

John A. Roberts; Po-Hsun Ho; Shangjie Yu; Jonathan Fan

doi:10.1117/12.2612683

5 March 2022 Spectrally-selective thermal radiation from electrically-driven infrared hyperbolic resonators

John A. Roberts, Po-Hsun Ho, Shangjie Yu, Jonathan Fan

Proceedings Volume PC12011, High Contrast Metastructures XI; PC120110T (2022) https://doi.org/10.1117/12.2612683
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Spectrally-tailored thermal emitters in the mid-infrared are needed for applications including gas sensing. We experimentally demonstrate a spectrally-selective, electrically-driven thermal emitter based on an aligned carbon nanotube metamaterial. Hyperbolic nanoribbon resonators patterned in the nanotube metamaterial double as resistive heaters and provide resonant polarized thermal emission in the infrared. The width of the nanoribbon resonators and their angle relative to the nanotube alignment axis can be designed to tailor the resonant frequency of the thermal radiation. Because of the low thermal mass of this design, the emitted thermal radiation can be modulated at rates up to 1 MHz.

Conference Presentation

Citation Download Citation

John A. Roberts, Po-Hsun Ho, Shangjie Yu, and Jonathan Fan "Spectrally-selective thermal radiation from electrically-driven infrared hyperbolic resonators", Proc. SPIE PC12011, High Contrast Metastructures XI, PC120110T (5 March 2022); https://doi.org/10.1117/12.2612683

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