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Design and fabrication of 3-D printed conductive polymer structures for THz polarization control
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Hernandez-Serrano, Arturo I., Sun, Qiushuo, Bishop, Elizabeth G., Griffiths, Elliott R., Purssell, C. P., Leigh, Simon J., Lloyd-Hughes, James and Pickwell-MacPherson, Emma (2019) Design and fabrication of 3-D printed conductive polymer structures for THz polarization control. Optics Express, 27 (8). pp. 11635-11641. doi:10.1364/OE.27.011635 ISSN 1094-4087.
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WRAP-design-fabrication-3-D-polymer-structures-control-MacPherson-2019.pdf - Accepted Version - Requires a PDF viewer. Download (1053Kb) | Preview |
Official URL: http://dx.doi.org/10.1364/OE.27.011635
Abstract
In this paper, we numerically and experimentally demonstrate the inverse polarization effect in three-dimensional (3-D) printed polarizers for the frequency range of 0.5 - 2.7 THz. The polarizers simply consist of 3-D printed strip lines of conductive polylactic acid (CPLA, Proto-Pasta) and do not require a substrate or any further metallic deposition. The experimental and numerical results show that the proposed structure acts as a broadband polarizer between the range of 0.3 THz to 2.7 THz, in which the inverse polarization effect is clearly seen for frequencies above 0.5 THz. In the inverse polarization effect, the transmission of the transverse electric (TE) component exceeds that of the TM component, in contrast to the behavior of a typical wire-grid polarizer. We show how the performance of the polarizers depends on the spacing and thickness of the CPLA structure; extinction ratios higher than 20 dB are achieved. This is the first report using CPLA to fabricate THz polarizers, demonstrating the potential of using conductive polymers to design THz components efficiently and robustly.
| Item Type: | Journal Article | |||||||||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering Faculty of Science, Engineering and Medicine > Science > Physics |
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| Library of Congress Subject Headings (LCSH): | Polarizers (Light), Terahertz technology, Polymers | |||||||||||||||
| Journal or Publication Title: | Optics Express | |||||||||||||||
| Publisher: | Optical Society of America | |||||||||||||||
| ISSN: | 1094-4087 | |||||||||||||||
| Official Date: | 15 April 2019 | |||||||||||||||
| Dates: |
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| Volume: | 27 | |||||||||||||||
| Number: | 8 | |||||||||||||||
| Page Range: | pp. 11635-11641 | |||||||||||||||
| DOI: | 10.1364/OE.27.011635 | |||||||||||||||
| Status: | Peer Reviewed | |||||||||||||||
| Publication Status: | Published | |||||||||||||||
| Reuse Statement (publisher, data, author rights): | © 2019 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited. | |||||||||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||||||||
| Date of first compliant deposit: | 8 May 2019 | |||||||||||||||
| Date of first compliant Open Access: | 9 May 2019 | |||||||||||||||
| RIOXX Funder/Project Grant: |
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