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Proceedings Paper

A scalable multi-allowed band bandpass filter demonstrating ultra-wide-bandwidth, excellent efficiency, and sharp band-edge transition
Author(s): Tsung-Yu Huang; Ta-Jen Yen
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Paper Abstract

By introducing both cavity mode and plasmonic resonance simultaneously in the designed sandwiched metamaterials, we present a scalable bandpass filter to demonstrate ultra-wide bandwidth, excellent efficiency and sharp band-edge transition. Our results show that this bandpass filter possess ultra-wide bandwidth (UWB) of 20 GHz centered at 60.5 GHz, with almost zero reflectance (0.0042) and present transitions within 0.6 GHz from -3dB to -20dB for upper and lower transmittance band-edge transition. Such an UWB bandpass filter is applicable for the commercialized unlicensed 60 GHz spectrum with a bandwidth exceeding 9 GHz, an unanswerable question for conventional passive bandpass filters to possess wide bandwidth and high quality factor simultaneously.

Paper Details

Date Published: 29 April 2010
PDF: 10 pages
Proc. SPIE 7711, Metamaterials V, 77111H (29 April 2010); doi: 10.1117/12.852409
Show Author Affiliations
Tsung-Yu Huang, National Tsing Hua Univ. (Taiwan)
Ta-Jen Yen, National Tsing Hua Univ. (Taiwan)

Published in SPIE Proceedings Vol. 7711:
Metamaterials V
Nigel P. Johnson; Ekmel Özbay; Richard W. Ziolkowski; Nikolay I. Zheludev, Editor(s)

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