Parallel LC circuit model for multi-band absorption and preliminary design of radiative cooling | Zendy

Rui Feng | Zendy; Jun Qiu | Zendy; Linhua Liu | Zendy; Weiqiang Ding | Zendy; Lixue Chen | Zendy

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Parallel LC circuit model for multi-band absorption and preliminary design of radiative cooling

Author(s) -

Rui Feng,

Jun Qiu,

Linhua Liu,

Weiqiang Ding,

Lixue Chen

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.0a1713

Subject(s) - radiative transfer , materials science , equivalent circuit , optics , polarization (electrochemistry) , absorption (acoustics) , dielectric , omnidirectional antenna , optoelectronics , polariton , capacitance , physics , computer science , telecommunications , voltage , antenna (radio) , chemistry , electrode , quantum mechanics

We perform a comprehensive analysis of multi-band absorption by exciting magnetic polaritons in the infrared region. According to the independent properties of the magnetic polaritons, we propose a parallel inductance and capacitance(PLC) circuit model to explain and predict the multi-band resonant absorption peaks, which is fully validated by using the multi-sized structure with identical dielectric spacing layer and the multilayer structure with the same strip width. More importantly, we present the application of the PLC circuit model to preliminarily design a radiative cooling structure realized by merging several close peaks together. This omnidirectional and polarization insensitive structure is a good candidate for radiative cooling application.

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