Nonlinear simulation of a coaxial gyro-amplifier with external electrostatic voltage | Zendy

Kong Yan-Yan | Zendy; Shi-Chang Zhang | Zendy

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Nonlinear simulation of a coaxial gyro-amplifier with external electrostatic voltage

Author(s) -

Kong Yan-Yan,

Shi-Chang Zhang

Publication year - 2011

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.60.095201

Subject(s) - coaxial , amplifier , transverse plane , physics , saturation (graph theory) , voltage , optics , terahertz radiation , nonlinear system , cathode ray , electron , optoelectronics , electrical engineering , engineering , mathematics , structural engineering , cmos , combinatorics , quantum mechanics

A proposal is presented to enhance the saturation output power of a small-orbit coaxial gyro-amplifier by employing an external electrostatic voltage. Nonlinear simulations show that improved saturation output power increases 19 % for a transverse electric mode at a frequency of 0.14 THz. Both the ratio of the electron-beam transverse velocity to the axial velocity and the spread of transverse velocity do not cause obvious influence on the saturation power. Therefore the performance of gyro-amplifier is effectively improved.

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