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- Park, Hyeong‐Ryeol
- Laboratory for Ultrafast & Nanoscale Plasmonics
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A Reel-Wound Carbon Nanotube Polarizer for Terahertz Frequencies
- Author(s)
- Kyoung, Jisoo, Jang, Eui Yun, Lima, Marcio D., Park, Hyeong-Ryeol, Robles, Raquel Ovalle, Lepro, Xavier, Kim, Yong Hyup, Baughman, Ray H., Kim, Dai-Sik
- Issued Date
- 2011-10
- Citation
- NANO LETTERS, v.11, no.10, pp.4227 - 4231
- Abstract
- Utilizing highly oriented multiwalled carbon nanotube aerogel sheets, we fabricated micrometer-thick freestanding carbon nanotube (CNT) polarizers. Simple winding of nanotube sheets on a U-shaped polyethylene reel enabled rapid and reliable polarizer fabrication, bypassing lithography or chemical etching processes. With the remarkable extinction ratio reaching similar to 37 dB in the broad spectral range from 0.1 to 2.0 THz, combined with the extraordinary gravimetric mechanical strength of CNTs, and the dispersionless character of freestanding sheets, the commercialization prospects for our CNT terahertz polarizers appear attractive.
- Publisher
- AMER CHEMICAL SOC
- ISSN
- 1530-6984
- Keyword (Author)
- Carbon nanotube, THz polarizer, nanotube dischroism, aligned nanotube sheets, wound nanotube sheets, nanotube processing
- Keyword
- SPECTROSCOPY, WIRE, FILMS, TRANSPARENT, WAVELENGTHS, FABRICATION, SHEETS, REGION, ARRAYS, FIELD ENHANCEMENT
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