Low loss plastic terahertz photonic band-gap fibres

You Fu Geng, Xiao Ling Tan, Kai Zhong, Peng Wang, Jian Quan Yao

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


We report a numerical investigation on terahertz wave propagation in plastic photonic band-gap fibres which are characterized by a 19-unit-cell air core and hexagonal air holes with rounded corners in cladding. Using the finite element method, the leakage loss and absorption loss are calculated and the transmission properties are analysed. The lowest loss of 0.268 dB/m is obtained. Numerical results show that the fibres could liberate the constraints of background materials beyond the transparency region in terahertz wave band, and efficiently minimize the effect of absorption by background materials, which present great advantage of plastic photonic band-gap fibres in long distance terahertz delivery.

Original languageEnglish
Pages (from-to)3961-3963
Number of pages3
JournalChinese Physics Letters
Issue number11
StatePublished - 1 Nov 2008


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