Journal
OPTICS EXPRESS
Volume 18, Issue 25, Pages 26332-26338Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.18.026332
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Funding
- National Science Council of Taiwan (NSC) [NSC96-2628-E-002-043-MY3, NSC99-2120-M-002-013, NSC97-2221-E-002-047-MY3]
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We present an experimental study on the bending loss of terahertz (THz) pipe waveguide. Bending loss of pipe waveguides is investigated for various frequencies, polarizations, core diameters, cladding thicknesses, and cladding materials. Our results indicate that the pipe waveguides with lower guiding loss suffer lower bending loss due to stronger mode confinement. The unexpected low bending loss in the investigated simple leaky waveguide structure promises variety of flexible applications. (C)2010 Optical Society of America
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