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The rate of heat transfer by emitted radiation is described by the Stefan-Boltzmann law of radiation:
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可编程接口原子重新排列用于时空空间热辐射量身定制

Xinye Liao1, Mingyu Luo2, Zhaojian Zhang1

  • 1College of Sciences, National University of Defense Technology, Changsha 410073, China.

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研究人员开发了一种用于热辐射的新时空调节策略,克服了电流载体中的信息损失. 这种方法使用原子重新排列的超材料进行动态发射率控制,从而实现先进的光子应用.

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科学领域:

  • 光子学和材料科学 材料科学
  • 专注于用于先进应用的热辐射操纵.

背景情况:

  • 目前的热辐射载体具有有限的离散状态,导致大量的信息丢失.
  • 热辐射的动态控制对于新型信息载体和光子应用至关重要.

研究的目的:

  • 为热辐射提出和验证一种新的时空调制策略.
  • 为了克服离散辐射状态的局限性,并捕捉动态过程.

主要方法:

  • 使用了一个Ag-In3SbTe2 (IST) 接口的原子重组元材料 (ARM).
  • 采用了原子配置的温和,均调制,以适应电容性.
  • 实验验证了时空调节策略.

主要成果:

  • 实现了高幅度的连续光谱调制 (在3-5μm中达到64.74%,在8-14μm中达到73.94%).
  • 对于定制的红外发射率,证明了丰富的时间变化.
  • 成功实现了红外信息加密.

结论:

  • 建立了一个统一的框架,用于连续的,原子规模的热辐射的时空控制.
  • 开辟了光谱调制和光子信息调节在时间领域的新途径.