Misalignment among stacked layers of absor- bers is inevitable in practice. Adverse effects induced by this undesired factor was investigated and analyzed in this paper. The absorption responses of thin terahertz meta...Misalignment among stacked layers of absor- bers is inevitable in practice. Adverse effects induced by this undesired factor was investigated and analyzed in this paper. The absorption responses of thin terahertz metama- terial （MM） absorber with different degree of misalign- ment were simulated by finite-difference time-domain （FDTD） method under both transverse magnetic （TM） and transverse electric （TE） polarization. Results show that slight misalignment deteriorates absorption response due to the decreased spatial resolution. The analyses are given in terms of the magnetic field distribution in the cross section. In addition, the depravation is changed with polarization, which depends on the direction of excursion.展开更多
基金Acknowledgements This work was supported by the National Basic Research Program of China （Nos. 2013CBA01700 and 2012CB315704）, the National Natural Science Foundation of China （Gram No. 61325023）, and the Funds for the Excellent Ph.D. Dissertation of Southwest Jiaotong University in 2012.
文摘Misalignment among stacked layers of absor- bers is inevitable in practice. Adverse effects induced by this undesired factor was investigated and analyzed in this paper. The absorption responses of thin terahertz metama- terial （MM） absorber with different degree of misalign- ment were simulated by finite-difference time-domain （FDTD） method under both transverse magnetic （TM） and transverse electric （TE） polarization. Results show that slight misalignment deteriorates absorption response due to the decreased spatial resolution. The analyses are given in terms of the magnetic field distribution in the cross section. In addition, the depravation is changed with polarization, which depends on the direction of excursion.
基金National Natural Science Foundation of China(51965047)Natural Science Foundation of Inner Mongolia(2018MS06007)+2 种基金Higher Education Scientific Research Project of Inner Mongolia(NJZY18252)Research Startup Fund of High-Level Talents Introduction in 2018(21700-5185131)Research Startup Fund of High-Level Talents Introduction in 2018(21700-5185128).
