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首页> 外文会议>Conference on Terahertz Photonics; 20071112-14; Beijing(CN) >Resonantly Enhanced Transmission of Terahertz Radiation Through a Periodic Array of Subwavelength Apertures
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Resonantly Enhanced Transmission of Terahertz Radiation Through a Periodic Array of Subwavelength Apertures

机译：太赫兹辐射通过周期性亚波长孔径阵列的共振增强传输

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摘要

We experimentally investigate the resonantly enhanced transmission of the terahertz radiation through a periodic array of subwavelength apertures on metal films. We fabricated the periodic arrays of subwavelength apertures with different periods and different diameters on silicon substrate. THz transmission spectra of these samples are measured by means of terahertz time-domain spectroscopic system. The resonantly enhanced transmissions with the frequency selectivity are observed. Our experimental results show that the resonantly transmission peak appears red shift and increases with increasing of hole diameter when keeping the period of array as a constant. On the other hand, the resonantly transmission peak with the same hole diameter appears red shift with increasing of the array period.
机译：我们通过实验研究了通过金属膜上亚波长孔径的周期性阵列对太赫兹辐射的共振增强传输。我们在硅衬底上制作了具有不同周期和不同直径的亚波长孔径的周期性阵列。这些样品的太赫兹透射光谱通过太赫兹时域光谱系统测量。观察到具有频率选择性的共振增强传输。我们的实验结果表明，当保持阵列周期不变时，共振透射峰出现红移，并随着孔径的增加而增加。另一方面，具有相同孔径的共振透射峰随着阵列周期的增加而出现红移。

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