International Journal of Terahertz Science and Technology
Vol.16, No.2, June 2023. PP.54-61(1)
date2023-06-30 16:36:29 Click No.329

TST, Vol. 16, No. 2, PP. 54-61

(Invited paper) Terahertz polarizer of femtosecond pulse laser ablated two-dimensional Ti3C2Tx MXene thin-film

Weimin Huang 1, Zihan Zhao 1, Genhao Gong 1, La Li 2, and Zhenyu Zhao 1*
1 Department of Physics, Shanghai Normal University, Shanghai 200234, China
2 Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
*1 Email:
zyzhao@shnu.edu.cn

(Received January 2023)

Abstract: We demonstrate flexible terahertz polarizer of two-dimensional materials MXene via femtosecond pulse laser ablation techniques. The femtosecond pulse laser causes the stripe-lines on the 30 μm thick thin-film of Ti3C2Tx MXene-on-polyimide. One type of polarizer is of 2.5 μm stripe-lines at 1 μm interval distance, and another type of polarizer is of 2.7 μm stripe-lines at 1.55 μm interval distance. Both of these polarizers exhibit electric field extinction ratios in excess of 5 dB. Our works manisfest a cost-effective approach to achieve large area terahertz polarisers rapidly.

Keywords: MXene, Electromagnetic shielding, Terahertz polarizer, Laser ablation

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