Hybrid optical-thermal devices and materials for light manipulation and radiative cooling

Journal Article · Tue Sep 01 00:00:00 EDT 2015 · Proceedings of SPIE - The International Society for Optical Engineering

DOI:https://doi.org/10.1117/12.2189679· OSTI ID:1594157

Boriskina, Svetlana V. ^[1]; Tong, Jonathan K. ^[1]; Hsu, Wei-Chun ^[1]; Weinstein, Lee ^[1]; Huang, Xiaopeng ^[1]; Loomis, James ^[1]; Xu, Yanfei ^[1]; Chen, Gang ^[1]

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1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)

In this work, we report on optical design and applications of hybrid meso-scale devices and materials that combine optical and thermal management functionalities owing to their tailored resonant interaction with light in visible and infrared frequency bands. We outline a general approach to designing such materials, and discuss two specific applications in detail. One example is a hybrid optical-thermal antenna with sub-wavelength light focusing, which simultaneously enables intensity enhancement at the operating wavelength in the visible and reduction of the operating temperature. The enhancement is achieved via light recycling in the form of whispering-gallery modes trapped in an optical microcavity, while cooling functionality is realized via a combination of reduced optical absorption and radiative cooling. The other example is a fabric that is opaque in the visible range yet highly transparent in the infrared, which allows the human body to efficiently shed energy in the form of thermal emission. Such fabrics can find numerous applications for personal thermal management and for buildings energy efficiency improvement.

• Research Organization: Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
• Sponsoring Organization: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
• Grant/Contract Number: FG02-02ER45977
• OSTI ID: 1594157
• Journal Information: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 9546; Conference: SPIE Nanoscience + Engineering, San Diego, CA (United States), 9-13 Aug 2015; ISSN 0277-786X
• Publisher: SPIE
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
42 ENGINEERING
thermography
infrared radiation
visible radiation
adsorption
antennas
nanoparticles
optical fibers
opacity
hybrid optics
dielectrics