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The dielectric-filled parabola: a new millimeter/submillimeter wavelength receiver/transmitter front end

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2 Author(s)
Sigel, P.H. ; Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA ; Dengler, R.J.

A design is presented for a semi-integrated millimeter/submillimeter wavelength receiver/transmitter front end incorporating a planar antenna and a solid-state device in an efficient feed structure which can be matched directly to high f-number optical systems. The feed system combines the simplicity and robustness of a dielectric substrate lens with the high gain of a parabolic reflector in a single structure that is termed a dielectric-filled parabola. The same fundamental unit can be configured as either a heterodyne or direct detection mode receiver, a power transmitter or a frequency multiplier by changing out the solid-state device and/or the integrated antenna. The structure can also be used with a small integrated antenna array in a multibeam or imaging arrangement. Design and fabrication details for the feed system are given. These are followed by beam pattern and impedance measurements taken on a microwave model when dipole, bow-tie, log-periodic, and log-spiral antennas are used as the integrated feed elements

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Antennas and Propagation, IEEE Transactions on  (Volume:39 ,  Issue: 1 )