Chinese Optics Letters, 2017, 15 (6): 060501, Published Online: Jul. 20, 2018  

Propagation properties of the chirped Airy vortex beams through left-handed and right-handed material slabs Download: 1165次

Author Affiliations
1 Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, South China Normal University, Guangzhou 510631, China
2 CAS Key Laboratory of Geospace Environment, University of Science & Technology of China, Chinese Academy of Sciences, Hefei 230026, China
Abstract
We present an investigation on the propagation properties of the chirped Airy vortex (CAiV) beams through slabs of left-handed materials (LHMs) and right-handed materials (RHMs). We discuss the influence of chirped parameter C on the propagation of the CAiV beams through LHM and RHM slabs. Our simulation results show that a maximum accelerated velocity appears during the propagation process. The intensity concentration of the CAiV beams increases with the absolute value of the chirped parameter. The peak intensity of the CAiV beams changes abruptly, and the chirped parameter plays an active role on the difference of the maximum and the minimum. In the energy flow, we find that the effects of the chirped parameter on the strength of the vortex are different at different propagation distances.

Jianbin Zhang, Zihao Pang, Liyan Feng, Tianfen Zhong, Linyi Wang, Dongmei Deng. Propagation properties of the chirped Airy vortex beams through left-handed and right-handed material slabs[J]. Chinese Optics Letters, 2017, 15(6): 060501.

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