Ultrawide-Band Terahertz Beam-Splitter Based on Ultrathin Metallic Films

Songlin Liu; Baoxue Bo; Yixuan Zou; Liangping Xia

doi:10.3788/AOS201737.1131002

Acta Optica Sinica, Volume. 37, Issue 11, 1131002(2017)

Ultrawide-Band Terahertz Beam-Splitter Based on Ultrathin Metallic Films

Songlin Liu^1,2, Baoxue Bo¹, Yixuan Zou^1,2, and Liangping Xia^2、*

¹ State Key Laboratory of High Power Semiconductor Laser, Changchun University of Science and Technology, Changchun, Jilin 130022, China

² Chongqing Key Laboratory of Multi-Scale Manufacturing Technology, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China

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Figures & Tables(4)

Fig. 1. Schematic of ultrawide-band terahertz splitting structure based on ultrathin metallic films

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Fig. 2. Theoretical results. (a)(d) Reflectivity; (b)(e) transmissivity; (c)(f) splitting ratio

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Fig. 3. Experimental results. (a) Reflectivity; (b) transmissivity

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Fig. 4. Average splitting ratios under different thicknesses of metallic Cr films

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Songlin Liu, Baoxue Bo, Yixuan Zou, Liangping Xia. Ultrawide-Band Terahertz Beam-Splitter Based on Ultrathin Metallic Films[J]. Acta Optica Sinica, 2017, 37(11): 1131002

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Paper Information

Category: Thin Films

Received: May. 23, 2017

Accepted: --

Published Online: Sep. 7, 2018

The Author Email: Xia Liangping (xialp@cigit.ac.cn)

DOI:10.3788/AOS201737.1131002

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology