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Structured thermal surface for radiative camouflage

Author

Listed:
  • Ying Li

    (National University of Singapore)

  • Xue Bai

    (National University of Singapore
    National University of Singapore)

  • Tianzhi Yang

    (Tianjin University
    Tianjin Key Laboratory of Nonlinear Dynamics and Chaos Control)

  • Hailu Luo

    (Hunan University)

  • Cheng-Wei Qiu

    (National University of Singapore
    National University of Singapore)

Abstract

Thermal camouflage has been successful in the conductive regime, where thermal metamaterials embedded in a conductive system can manipulate heat conduction inside the bulk. Most reported approaches are background-dependent and not applicable to radiative heat emitted from the surface of the system. A coating with engineered emissivity is one option for radiative camouflage, but only when the background has uniform temperature. Here, we propose a strategy for radiative camouflage of external objects on a given background using a structured thermal surface. The device is non-invasive and restores arbitrary background temperature distributions on its top. For many practical candidates of the background material with similar emissivity as the device, the object can thereby be radiatively concealed without a priori knowledge of the host conductivity and temperature. We expect this strategy to meet the demands of anti-detection and thermal radiation manipulation in complex unknown environments and to inspire developments in phononic and photonic thermotronics.

Suggested Citation

  • Ying Li & Xue Bai & Tianzhi Yang & Hailu Luo & Cheng-Wei Qiu, 2018. "Structured thermal surface for radiative camouflage," Nature Communications, Nature, vol. 9(1), pages 1-7, December.
  • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-017-02678-8
    DOI: 10.1038/s41467-017-02678-8
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    Citations

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    Cited by:

    1. Jian Zhang & Haochun Zhang & Yiyi Li & Qi Wang & Wenbo Sun, 2022. "Thermal Cloaking in Nanoscale Porous Silicon Structure by Molecular Dynamics," Energies, MDPI, vol. 15(5), pages 1-13, March.
    2. Ying Li & Minghong Qi & Jiaxin Li & Pei-Chao Cao & Dong Wang & Xue-Feng Zhu & Cheng-Wei Qiu & Hongsheng Chen, 2022. "Heat transfer control using a thermal analogue of coherent perfect absorption," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    3. Huagen Li & Dong Wang & Guoqiang Xu & Kaipeng Liu & Tan Zhang & Jiaxin Li & Guangming Tao & Shuihua Yang & Yanghua Lu & Run Hu & Shisheng Lin & Ying Li & Cheng-Wei Qiu, 2024. "Twisted moiré conductive thermal metasurface," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    4. Kaili Sun & Yangjian Cai & Lujun Huang & Zhanghua Han, 2024. "Ultra-narrowband and rainbow-free mid-infrared thermal emitters enabled by a flat band design in distorted photonic lattices," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    5. Wei Sha & Mi Xiao & Jinhao Zhang & Xuecheng Ren & Zhan Zhu & Yan Zhang & Guoqiang Xu & Huagen Li & Xiliang Liu & Xia Chen & Liang Gao & Cheng-Wei Qiu & Run Hu, 2021. "Robustly printable freeform thermal metamaterials," Nature Communications, Nature, vol. 12(1), pages 1-8, December.

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