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Characterization of uniplanar compact photonic-bandgap finite-width conductor-backed coplanar waveguide by using an electrooptic near-field mapping technique

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7 Author(s)
Kyoung-Hwan Oh ; Dept. of Inf. & Commun., Gwangju Inst. of Sci. & Technol., South Korea ; Tae-Young Kim ; Sucbei Moon ; Ho-Jin Song
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An electrooptic near-field mapping system based on a gain-switched distributed-feedback pulsed laser and a CdTe electrooptic crystal was used for characterizing transient and stationary near-field patterns of conventional and uniplanar compact photonic bandgap (UC-PBG) finite-width conductor-backed coplanar waveguides (FW-CBCPWs). Comparison of transient and stationary near-field patterns of FW-CBCPWs visually shows that parasitic parallel-plate modes in the FW-CBCPW are effectively suppressed by the UC-PBG pattern on side-ground plates.

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IEEE Transactions on Microwave Theory and Techniques  (Volume:54 ,  Issue: 2 )