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A theoretical and experimental investigation is being made of a modified form of H guide as a possible guided wave structure for millimeter and submilliieter wavelengths. The effects of channels in the conducting planes to support a dielectric film has been studied by scaled-up models at 3-cm wavelength. Low losses, even at the shorter wavelengths, are predicted. The channels may be used to filter unwanted higher order modes, and the use of high-permittivity dielectric is suggested to further reduce the guide attenuation.
Microwave Theory and Techniques, IEEE Transactions on (Volume:21 , Issue: 9 )
Date of Publication: Sep 1973