1994

,

Experimental investigation of two-stage tapered gyrotron-traveling-wave-tube amplifier

1994

,

Operational two-stage tapered gyro-TWT amplifier

1993

,

Wideband gyro-TWT amplifier experiments

1993

,

Wideband Millimeter Wave gyro-amplifiers

1993

,

Broadband operational of a two-stage tapered gyro-TWT amplifier