We demonstrate extremely high indices of refraction from large-area, freestanding, flexible terahertz metamaterials. The highest index of refraction of 33.22 is obtained from a multilayer metamaterial at a frequency of 0.851 THz.
© 2011 OSA
S. H. Lee, M. Choi, Y. Kim, S. B. Kang, J. Shin, M. H. Kwak, K. Kang, Y. Lee, N. Park, and B. Min, "Extremely High Refractive Index Terahertz Metamaterial," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper QTuD5.
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