Six-band rotationally symmetric tunable absorption film based on AlCuFe quasicrystals

被引：101

作者：

Li, Wenxin ^{[1
]}

Xu, Feng ^{[2
]}

Cheng, Shubo ^{[1
]}

Yang, Wenxing ^{[1
]}

Liu, Bin ^{[3
]}

Liu, Mengsi ^{[1
]}

Yi, Zao ^{[4
]}

Tang, Bin ^{[5
]}

Chen, Jing ^{[6
]}

Sun, Tangyou ^{[7
]}

机构：

[1] Yangtze Univ, Sch Phys & Optoelect Engn, Jingzhou 434023, Hubei, Peoples R China

[2] Quanzhou Normal Univ, Coll Chem Engn & Mat Sci, Quanzhou 362000, Peoples R China

[3] Linyi Univ, Rural Revitalizat Inst, Linyi 276000, Peoples R China

[4] Southwest Univ Sci & Technol, Tianfu Inst Res & Innovat, State Key Lab Environm Friendly Energy Mat, Joint Lab Extreme Condit Matter Properties, Mianyang 621010, Peoples R China

[5] Changzhou Univ, Sch Microelect & Control Engn, Changzhou 213164, Peoples R China

[6] Nanjing Univ Posts & Telecommun, Coll Elect & Opt Engn, Nanjing 210023, Peoples R China

[7] Guilin Univ Elect Technol, Guangxi Key Lab Precis Nav Technol & Applicat, Guilin 541004, Peoples R China

来源：

OPTICS AND LASER TECHNOLOGY | 2024年 / 169卷

基金：

中国国家自然科学基金;

关键词：

Dirac semimetal; Terahertz; Perfect absorption; AlCuFe quasicrystal; ELECTROCHEMICAL PERFORMANCE; TERAHERTZ; METAMATERIAL; ABSORBER;

D O I：

10.1016/j.optlastec.2023.110186

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, a six-band rotationally symmetric tunable absorption film based on AlCuFe quasicrystals is proposed. The absorption film has a symmetrically excited electric field, which makes it have good polarization incoherence. After calculating the relative impedance of the absorption film using parameter inversion, it is obvious that the absorption film is consistent with the impedance matching theory. In addition, by changing the physical parameters of the absorption film and adjusting the Fermi energy, it can be found that the absorption film has good tunability. By changing the refractive index of the working environment of the absorption film, it can be seen that the absorption film has extremely high refractive index sensitivity. Overall, the absorption film is tunable, polarization incoherent, and has good sensing performance, which makes the absorption film have strong application prospects in many fields.

引用

页数：7

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