THz porous fibers: design, fabrication and experimental characterization
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(Published version)
Date
2009
Authors
Atakaramians, S.
Afshar Vahid, S.
Ebendorff-Heidepriem, H.
Nagel, M.
Fischer, B.
Abbott, D.
Monro, T.
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Journal article
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Optics Express, 2009; 17(16):14053-14062
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Shaghik Atakaramians, Shahraam Afshar V., Heike Ebendorff-Heidepriem, Michael Nagel, Bernd M. Fischer, Derek Abbott and Tanya M. Monro
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Abstract
Porous fibers have been identified as a means of achieving low losses, low dispersion and high birefringence among THz polymer fibers. By exploiting optical fiber fabrication techniques, two types of THz polymer porous fibers--spider-web and rectangular porous fibers--with 57% and 65% porosity have been fabricated. The effective refractive index measured by terahertz time domain spectroscopy shows a good agreement between the theoretical and experimental results indicating a lower dispersion for THz porous fiber compared to THz microwires. A birefringence of 0.012 at 0.65 THz is also reported for rectangular porous fiber.
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© 2009 Optical Society of America