Periodic array with a nearly ideal element pattern

Details Periodic array with a nearly ideal element pattern Periodic array with a nearly ideal element pattern

H - Electricity

01

Q

351/58

H01Q 21/08 (2006.01) H01Q 21/06 (2006.01) H01Q 21/28 (2006.01) H01Q 25/04 (2006.01)

Patent

CA 2030640

- 12- A Periodic Array With A Nearly Ideal Element Pattern Abstract A waveguide array comprising a plurality of waveguides which are each outwardly tapered at the aperture of the array in accordance with a predetermined criteria chosen to increase waveguide efficiency. The tapering serves to gradually transform a fundamental Bloch mode, propagating through the waveguide array, into a plane wave in a predetermined direction, and then to launch the plane wave into free space in the predetermined direction. In another embodiment, the waveguidesare positioned relative to one another in order to satisfy the predetermined criteria.

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