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<p>New-generation windows require advanced multi-physics modulation capability to accommodate diverse functions, including optical transparency, thermal insulation, and wireless communication compatibility. In response to these demands, metasurfaces have emerged as a promising solution owing to their versatile and energy-efficient electromagnetic (EM) wave manipulations. However, the existing prototypes suffer from fixed functionalities and limited intelligence, restricting their practicality and sustainability. Here, we show a green-smart window based on programmable metasurface to simultaneously achieve high visible transparency, low infrared (IR) emissivity, and reconfigurable EM responses. By integrating a compact RFID (radio frequency identification) tag, three intelligent functions are remotely reconfigured in a self-powering manner: EM transmission enhancement, selective EM shielding, and polarization filtering. For verification, a prototype is fabricated to validate its visible-IR-EM multi-physics controls, remote-sensing range, self-powering capability, and thermal management. Indoor-to-indoor (I2I) and outdoor-to-indoor (O2I) communication scenarios are established, demonstrating significant improvement in communication quality by using the green-smart window.</p>

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A metasurface-enabled green-smart window for intelligent wireless communications with high visible transparency and low infrared emissivity

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年5月13日

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  • Rui Zhe Jiang,
  • Chuan Kui Shen,
  • Hui Dong Li,
  • Qun Yan Zhou,
  • Zhi Hui Fu,
  • Zheng Xing Wang,
  • Terry Tao Ye,
  • Jun Yan Dai,
  • Lie Kun Yang,
  • Jitong Ma,
  • Qiang Cheng,
  • Tie Jun Cui

摘要

New-generation windows require advanced multi-physics modulation capability to accommodate diverse functions, including optical transparency, thermal insulation, and wireless communication compatibility. In response to these demands, metasurfaces have emerged as a promising solution owing to their versatile and energy-efficient electromagnetic (EM) wave manipulations. However, the existing prototypes suffer from fixed functionalities and limited intelligence, restricting their practicality and sustainability. Here, we show a green-smart window based on programmable metasurface to simultaneously achieve high visible transparency, low infrared (IR) emissivity, and reconfigurable EM responses. By integrating a compact RFID (radio frequency identification) tag, three intelligent functions are remotely reconfigured in a self-powering manner: EM transmission enhancement, selective EM shielding, and polarization filtering. For verification, a prototype is fabricated to validate its visible-IR-EM multi-physics controls, remote-sensing range, self-powering capability, and thermal management. Indoor-to-indoor (I2I) and outdoor-to-indoor (O2I) communication scenarios are established, demonstrating significant improvement in communication quality by using the green-smart window.