Journal
OPTICS LETTERS
Volume 45, Issue 7, Pages 1978-1981Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.388772
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Funding
- Natural Science Foundation of Beijing Municipality [4142047]
- Excellent Young Teachers Program of China University of Petroleum [2462015YQ0603]
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We present a broadband terahertz (THz) polarizer based on the stacks of aligned Ni nanowire (NW) arrays. We demonstrated that the polarizer has an extinction ratio of 58.8 dB and an average extinction ratio of 46.6 dB throughout a frequency range of 0.3-2.3 THz. Compared to carbon-nanotube and metallic wire-grid polarizers, our Ni-NW polarizers with rapid, reliable, low-cost fabrication processes are ideal candidates for emerging THz technologies. (C) 2020 Optical Society of America
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