Fri, 25 Jul 2008 04:30:55 BST CiteULike: dcastros Allen http://www.citeulike.org/user/dcastro/author/Allen CiteULike.org en-gb Copyright © 2004-2008 citeulike.org http://www.citeulike.org/user/dcastro/article/2839825 <i>Microwave Symposium, 2007. IEEE/MTT-S International (2007), pp. 1623-1626.</i><br /><br />Metamaterial-based composite right/left-handed transmission lines are used in the design of fixed frequency and tunable ring resonators. Under specific design conditions, the first two resonant modes can be narrowly spaced. A simple passive band-pass filter is demonstrated at 2.92 GHz with a bandwidth of about 9% using this concept. This type of design is also used as a tunable resonator and a tuning range of 30% is demonstrated. Fixed Frequency and Tunable Metamaterial-Based Ring Resonators with Narrowly Spaced Resonances CA Allen KMK Leong T Itoh doi:10.1109/MWSYM.2007.379997 Microwave Symposium, 2007. IEEE/MTT-S International (2007), pp. 1623-1626. 2008-05-28T06:41:40-00:00 2007 Microwave Symposium, 2007. IEEE/MTT-S International 1623 1626 metamaterial resonator ring http://www.citeulike.org/user/dcastro/article/2674709 <i>Microwave Conference, 2007. European (2007), pp. 400-403.</i><br /><br />In this paper, metamaterial-based transmission lines will be discussed, with a focus placed on how these structures can be utilized in microwave systems. The different devices necessary for a basic dual-band receiver will be discussed and it will be shown how these dual-band components can be realized using metamaterial-based structure. Also, two different types of two-dimensional beam scanning systems will be introduced that utilize both one and two dimensional metamaterial-based structures. Practical applications of metamaterial-based structures in microwave systems CA Allen A Lai Cheng-Jung Lee T Itoh doi:10.1109/EUMC.2007.4405211 Microwave Conference, 2007. European (2007), pp. 400-403. 2008-04-15T18:08:16-00:00 2007 Microwave Conference, 2007. European 400 403 metamaterial microwave structure