期刊
OPTICS COMMUNICATIONS
卷 407, 期 -, 页码 204-207出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2017.09.036
关键词
Metamaterials; Broadband thermal emission engineering; Genetic algorithm; Radiative cooling
类别
资金
- 973 Program of China [2013CBA01700]
- National Natural Science Funds (NNSF) [61138002, 61622508]
In this paper, we propose a compact planar device in infrared (3-12 mu m) that has a high emission range from 5 mu m to 8 mu m while simultaneously serving as a broadband mirror for the rest wavelengths by engineering its thermal emission characteristics. The structure utilizes a random-stacked multilayer to reduce the thickness required for ideal spectrum engineering. In addition, it is also convenient to fabricate and scale up. All the features above makes it an invisible'' radiative cooling coat by taking advantage of the atmospheric transparency window. We believe that this device may fundamentally enable new technological possibilities for stealth techniques by integrating the device with traditional cloaking methods. (C) 2017 Elsevier B.V. All rights reserved.
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