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A microstrip-based unit cell for quasi-optical amplifier arrays

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2 Author(s)
Kolias, N.J. ; Sch. of Electr. Eng., Cornell Univ., Ithaca, NY, USA ; Compton, R.C.

A microwave scale model of an amplifying element suitable for millimeter-wave quasi-optical arrays is presented. Power is guided into the amplifier by short sections of waveguide and then fed into a microstrip based MESFET amplifier with an E-field probe. A second E-field probe couples the output signal into a similar waveguide feed on the back-side of the element. The output waveguide is orthogonal to the input to achieve isolation.<>

Published in:

Microwave and Guided Wave Letters, IEEE  (Volume:3 ,  Issue: 9 )