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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Ultrathin, highly flexible and optically transparent terahertz polarizer based on transparent conducting oxide
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Ultrathin, highly flexible and optically transparent terahertz polarizer based on transparent conducting oxide

机译:超薄,高度柔性和光学透明的太赫兹偏振器,基于透明导电氧化物

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摘要

Multifunctional terahertz devices hold great promise for terahertz (THz) optical systems. Here, we present an ultrathin, highly flexible and optically transparent terahertz polarizer based on tin-doped indium oxide (ITO) and flexible conformal films of polyethylene terephthalate. The flexible optical transparent polarizer (FOTP) was theoretically investigated and experimentally characterized by UV-vis spectrophotometry and THz time-domain system. In the FOTP, THz conductivity of ITO films is mainly dominated by DC conductivity. The FOTP reveals a high optical transmittance of more than 60% in the visible region, a high extinction ratio of about 20 dB in the 0.1 THz-2.5 THz and a low insertion loss below 2 dB in the 0.1 THz-1.4 THz. The proposed FOTP can significantly improve the overall performance of THz optical systems and be easily fabricated by commercial display techniques. Our concept opens up a new window for highly flexible and optically transparent THz devices.
机译:多功能Terahertz设备对Terahertz(THz)光学系统具有很大的承诺。 在这里,我们基于掺杂锡掺杂的氧化铟氧化铟(ITO)和聚对苯二甲酸乙二醇酯的柔性保形薄膜,介绍超薄,高度柔韧和光学透明的太赫兹偏振器。 理论上,柔性光学透明偏振器(FOTP)是通过UV-VIS分光光度法和THz时域系统进行实验性的特征。 在FOTP中,ITO电影的THz电导率主要由DC电导率主导。 FOTP在可见区域中显示出大于60%的高光学透射率,在0.1至THz-2.5 THz中的高度消光比和0.1至THz-1.4至4至0〜4至THz的低插入损耗。 所提出的FOTP可以显着提高THZ光学系统的整体性能,并通过商业显示技术轻松制造。 我们的概念为高度灵活和光学透明的THz设备开辟了一个新窗口。

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