Transmission of terahertz radiation using a microstructured polymer optical fiber |
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Authors: | Ponseca Carlito S Pobre Romeric Estacio Elmer Sarukura Nobuhiko Argyros Alexander Large Maryanne C van Eijkelenborg Martin A |
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Institution: | Institute for Molecular Science, 38 Nishigonaka, Myodaiji, Okazaki, Aichi 444-8585, Japan. carlito@ims.ac.jp |
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Abstract: | A hollow-core microstructured polymer optical fiber was analyzed in the terahertz (THz) region. Spectral analysis of time domain data shows propagation of THz waves in both the hollow-core and the microstructured cladding with a time delay of approximately 20 ps. The frequency range and shift of the transmission bands between different sized waveguides suggested photonic bandgap or resonant guidance. Finite-difference time domain calculations agree relatively well to the experimental transmission results. Propagation losses were estimated to be as low as 0.9 dB/cm. |
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