Modified L-shape hollow waveguides with two types off 45°-chamfers

Keh Yi Lee, An Chi Wei, Jyh Rou Sze, Wei Chen Yan, Kun Lung Tsai, Shao Peng Jeng, Guo Wei Bai, Jilng Da Liu, Ji Shien Tseng, Shin Tseng Wu, Shu Min Chen, Chiao Wei Lin

Research output: Contribution to journalArticlepeer-review


In this paper, two types of 45°-chamfers are embedded to an L-shape (90°-bent) hollow waveguide which is formed by omni-directional reflector to improve the transmission efficiency. Compared with that of an abrupt 90°-bent hollow waveguide, the proposed structures have enhanced the transmission efficiency by a factor of more than 4. The design rules of the 45°-chamfer and the fabrication considerations are discussed in detail.

Original languageEnglish
Pages (from-to)139-142
Number of pages4
JournalJournal of Optical Communications
Issue number3
StatePublished - 2009


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