Transparent radiative cooling with non-diffractive perforated-mirror structure

Byoungsu Ko; Jaebum Noh; Junsuk Rho

doi:10.1117/12.2676289

5 October 2023 Transparent radiative cooling with non-diffractive perforated-mirror structure

Byoungsu Ko, Jaebum Noh, Junsuk Rho

Proceedings Volume PC12653, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XX; PC126530D (2023) https://doi.org/10.1117/12.2676289
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Conference Poster

Abstract

Here, we propose a transparent cooler that incorporates a top PDMS emitter and a bottom semi-transparent reflector. The bottom reflector comprises a Bragg mirror and perforated metallic film with a thickness of 90 microns, reflecting near-infrared Band A and visible, respectively. By adding visible reflection via the metallic mirror area of perforated film, transparency, and reinforced reflection are ensured. Our proposed cooler exhibits significantly improved cooling performance while maintaining visibility.

Citation Download Citation

Byoungsu Ko, Jaebum Noh, and Junsuk Rho "Transparent radiative cooling with non-diffractive perforated-mirror structure", Proc. SPIE PC12653, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XX, PC126530D (5 October 2023); https://doi.org/10.1117/12.2676289

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