Spectral emissivity prediction in multi-resonator metamaterials

Romil Audhkhasi; Michelle L. Povinelli

doi:10.1117/12.2631947

3 October 2022 Spectral emissivity prediction in multi-resonator metamaterials

Proceedings Volume 12215, Optical Modeling and Performance Predictions XII; 122150F (2022) https://doi.org/10.1117/12.2631947
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Abstract

The ability to design multi-resonant thermal emitters is essential to the advancement of a wide variety of applications, including thermal management and sensing. These fields would greatly benefit from the development of efficient tools for predicting the spectral response of coupled, multi-resonator systems. In this work, we propose a semi-analytical prediction tool based on coupled-mode theory. We demonstrate the accuracy of our method by predicting and optimizing spectral response in a coupled, multi-resonator system based on hBN ribbons. Our approach greatly reduces the computational overhead associated with spectral design tasks in multi-resonator systems in addition to providing valuable physical insights.

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Citation Download Citation

Romil Audhkhasi and Michelle L. Povinelli "Spectral emissivity prediction in multi-resonator metamaterials", Proc. SPIE 12215, Optical Modeling and Performance Predictions XII, 122150F (3 October 2022); https://doi.org/10.1117/12.2631947

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KEYWORDS

Metamaterials

Numerical analysis

Complex systems

Computing systems

Resonators

Thermal sensing

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