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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Guozhong Zhao Yang Wang Cunlin Zhang Guozhen Yang |
| Copyright Year | 2007 |
| Description | Author affiliation: Dept. of Phys., Capital Normal Univ., Beijing (Guozhong Zhao; Yang Wang; Cunlin Zhang; Guozhen Yang) |
| Abstract | We experimentally investigated the polarization dependence of enhanced transmission of terahertz radiation through the periodic array of sub-wavelength rectangle holes. The array patterns of rectangle holes are fabricated by the cutting of YAG laser to the copper foils with 100 mum thickness. These patterns are designed as different sizes and different shapes of rectangular holes on the copper foils. The optical transmission properties in terahertz range are obtained by measuring terahertz time-domain spectra of these samples. Our results show that the transmission of periodic array of sub-wavelength rectangular holes proposes distinct frequency selectivity. The transmission peaks at the lower frequency increase with increasing of the angle of incident THz wave polarization relative to the long side of rectangle hole. The frequency locations of the transmission peaks do not change when the polarization of incident THz wave change. Our experimental results are going to be a important reference for developing photonic devices of THz frequency range. |
| Starting Page | 821 |
| Ending Page | 822 |
| File Size | 1089031 |
| Page Count | 2 |
| File Format | |
| ISBN | 9781424414383 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2007-09-02 |
| Publisher Place | UK |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronic Engineers, Inc. |
| Subject Keyword | Polarization Frequency Laser excitation Laser beams Optical films Copper Optical filters Ultrafast optics Probes Photonic crystals Transmission Sub-wavelength Rectangle Hole Array Terahertz |
| Content Type | Text |
| Resource Type | Article |
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