High-throughput screening of a high-Q mid-infrared Tamm emitter by material informatics

Xi Wang; Liu Yida; Song Jinlin; Hu Run; Luo Xiaobing

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High-throughput screening of a high-Q mid-infrared Tamm emitter by material informatics

机译：高Q中红外TAMM发射器的高吞吐量筛选材料信息学

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Narrowband mid-infrared emitters, quantified by the Q-factor, have garnered a lot of attention due to their emerging applications from chemical and biosensing to efficient thermal utilization. Previous studies reported high Q-factor emitters within several selected wavelengths, still lacking a large database of emitter structures with very high Q-factors. In this Letter, we utilized the Monte Carlo Tree Search (MCTS) algorithm under the framework of material informatics to optimize the Tamm emitters at the infrared. range (from 3 to 10 mu m) for achieving a high Q-factor and. high emissivity simultaneously, providing a large database of high and sharp emission peaks in the infrared. Through the MCTS algorithm, the structure with a Q-factor of 508 and an emissivity peak of 0.92 at 4.225 mu m is obtained, far surpassing the previous results, and the underlying mechanism is discussed by electric field simulations. The high Q -factor emitters in the database show good monochromatism and high emissivity, accelerating the selection of proper perfect emitters for desired wavelengths. This Letter also paves a feasible avenue for the emitter and absorber design with ultrahigh monochromatism. (C) 2021 Optical Society of America

机译：窄带中红外辐射源由于其从化学和生物传感到高效热利用的新兴应用而受到了广泛关注。之前的研究报告了在几个选定波长范围内的高Q因子发射器，但仍然缺乏一个具有非常高Q因子的发射器结构的大型数据库。在这封信中，我们利用材料信息学框架下的蒙特卡罗树搜索（MCTS）算法在红外波段优化Tamm发射器。范围（从3到10μm）以实现高Q因子和。高发射率的同时，提供了一个大型数据库的高和尖锐的红外发射峰。通过MCTS算法，获得了Q因子为508，发射率峰值为0.92，在4.225μm处的结构，远远超过了以前的结果，并通过电场模拟讨论了其机理。数据库中的高Q因子发射器显示出良好的单色性和高发射率，加速了为所需波长选择合适的完美发射器。这封信也为超高单色性的发射器和吸收器设计铺平了可行的道路。（2021）美国光学学会

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来源
《Optics Letters》 |2021年第4期|共4页
作者
Xi Wang; Liu Yida; Song Jinlin; Hu Run; Luo Xiaobing;
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作者单位

Huazhong Univ Sci &

Technol Sch Energy &

Power Engn Wuhan 430074 Peoples R China;

Huazhong Univ Sci &

Technol Sch Energy &

Power Engn Wuhan 430074 Peoples R China;

Huazhong Univ Sci &

Technol Sch Energy &

Power Engn Wuhan 430074 Peoples R China;

Huazhong Univ Sci &

Technol Sch Energy &

Power Engn Wuhan 430074 Peoples R China;

Huazhong Univ Sci &

Technol Sch Energy &

Power Engn Wuhan 430074 Peoples R China;

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正文语种 eng
中图分类计量学;光学;
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High-throughput screening of a high-Q mid-infrared Tamm emitter by material informatics

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