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Analysis of finite grid structures with lenses in quasi-optical systems

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6 Author(s)
Nuteson, T.W. ; Electron. Res. Lab., North Carolina State Univ., Raleigh, NC, USA ; Huan-Sheng Hwang ; Steer, M.B. ; Naishadham, K.
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A full-wave moment-method technique developed for the analysts of quasi-optical (QO) systems is used to model finite grid structures in a lens system. This technique incorporates an electric-field dyadic Green's function for a grid centered between two lenses. This is derived by separately considering paraxial and nonparaxial fields. Results for the driving point reflection coefficient of a 3×3 and 5×5 grid in the lens system are computed and compared with measurements

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:45 ,  Issue: 5 )