Standing wave amplifiers and oscillators

Details Standing wave amplifiers and oscillators Standing wave amplifiers and oscillators

2007-07-10

2007-07-10

Hellner, Mark (Department: 3663)

Optical: systems and elements

Optical amplifier

C330S286000

Reexamination Certificate

active

11378750

ABSTRACT:
An apparatus and method for building three-dimensional spatial power combiners for efficiently combining power from a large number of active devices are being disclosed. The apparatus discloses a plurality of grid amplifiers, each having a major surface, the plurality of grid amplifiers are arranged along an axis that is perpendicular to the major surface of each grid amplifier and spatially separated from each other by a selected resonant distance to generate a standing wave between adjacent grid amplifiers. The method discloses selecting a plurality of grid amplifiers each having a major surface, arranging the plurality of grid amplifiers along an axis that is perpendicular to the major surface of each grid amplifier, selecting a resonance distance, and spatially separating said plurality of grid amplifiers by the resonant distance to generate a standing wave between adjacent grid amplifiers.

REFERENCES:
patent: 5900965 (1999-05-01), Matkin et al.
patent: 6396449 (2002-05-01), Osterhues et al.
patent: 6750999 (2004-06-01), Chiao
DeLisio, M.P., et al., “A. 44-60Ghz monolithic pHEMT grid amplifier”,1996 IEEE MTT-S Int. Microwave Symposium Digest, pp. 1127-1130 (1996).
Shiroma, W.A., et al., “A 100 Transistor Quadruple Grid Oscillator”,IEEE Microwave and Guided Wave Lett., vol. 4, No. 10, pp. 350-351 (Oct. 1994).
Shiroma, W.A., et al., “Three-Dimensional Power Combiners”,1994 IEEE MTT-S Int. Microwave Symposium Digest, pp. 831-834 (1994).

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