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Experimental demonstration of a free-space cylindrical cloak without superluminal propagation

หน่วยงาน Nanyang Technological University, Singapore

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ชื่อเรื่อง : Experimental demonstration of a free-space cylindrical cloak without superluminal propagation
นักวิจัย : Xu, Su , Cheng, Xiangxiang , Xi, Sheng , Zhang, Runren , Moser, Herbert O. , Shen, Zhi , Xu, Yang , Huang, Zhengliang , Zhang, Xianmin , Yu, Faxin , Zhang, Baile , Chen, Hongsheng
คำค้น : DRNTU::Science::Physics
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2555
อ้างอิง : Xu, S., Cheng, X., Xi, S., Zhang, R., Moser, H., Shen, Z., et al. (2012). Experimental Demonstration of a Free-Space Cylindrical Cloak without Superluminal Propagation. Physical Review Letters, 109(22). , http://hdl.handle.net/10220/9134 , http://dx.doi.org/10.1103/PhysRevLett.109.223903
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Physical review letters
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

We experimentally demonstrated an alternative approach of invisibility cloaking that can combine technical advantages of all current major cloaking strategies in a unified manner and thus can solve bottlenecks of individual strategies. A broadband cylindrical invisibility cloak in free space is designed based on scattering cancellation (the approach of previous plasmonic cloaking), and implemented with anisotropic metamaterials (a fundamental property of singular-transformation cloaks). Particularly, nonsuperluminal propagation of electromagnetic waves, a superior advantage of non-Euclidian-transformation cloaks constructed with complex branch cuts, is inherited in this design, and thus is the reason of its relatively broad bandwidth. This demonstration provides the possibility for future practical implementation of cloaking devices at large scales in free space.

บรรณานุกรม :
Xu, Su , Cheng, Xiangxiang , Xi, Sheng , Zhang, Runren , Moser, Herbert O. , Shen, Zhi , Xu, Yang , Huang, Zhengliang , Zhang, Xianmin , Yu, Faxin , Zhang, Baile , Chen, Hongsheng . (2555). Experimental demonstration of a free-space cylindrical cloak without superluminal propagation.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Xu, Su , Cheng, Xiangxiang , Xi, Sheng , Zhang, Runren , Moser, Herbert O. , Shen, Zhi , Xu, Yang , Huang, Zhengliang , Zhang, Xianmin , Yu, Faxin , Zhang, Baile , Chen, Hongsheng . 2555. "Experimental demonstration of a free-space cylindrical cloak without superluminal propagation".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Xu, Su , Cheng, Xiangxiang , Xi, Sheng , Zhang, Runren , Moser, Herbert O. , Shen, Zhi , Xu, Yang , Huang, Zhengliang , Zhang, Xianmin , Yu, Faxin , Zhang, Baile , Chen, Hongsheng . "Experimental demonstration of a free-space cylindrical cloak without superluminal propagation."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2555. Print.
Xu, Su , Cheng, Xiangxiang , Xi, Sheng , Zhang, Runren , Moser, Herbert O. , Shen, Zhi , Xu, Yang , Huang, Zhengliang , Zhang, Xianmin , Yu, Faxin , Zhang, Baile , Chen, Hongsheng . Experimental demonstration of a free-space cylindrical cloak without superluminal propagation. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2555.