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Simulation of 0.14 THz relativistic backward-wave oscillator filled with plasma
Author(s) -
Wei Yu,
Zaigao Chen,
Lei Yue
Publication year - 2013
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.62.125204
Subject(s) - backward wave oscillator , physics , plasma , oscillation (cell signaling) , terahertz radiation , pulse (music) , power (physics) , argon , plasma oscillation , atomic physics , computational physics , optics , nuclear physics , quantum mechanics , electron , cathode ray , detector , biology , genetics
In this paper, a 0.14 THz relativistic backward-wave oscillator (RBWO) filled with neutral argon gas is simulated by using the UNIPIC code. The effects of plasma on the output power, frequency, and the start-oscillation time of the RBWO filled with different-pressure gases are studied. The simulation result shows that the background plasma can cause the pulse-shortening and new frequency appearing in the 0.14 THz RBWO. Appropriate plasma infusion can reduce the start-oscillation time and increase the output power of 0.14 THz RBWO.

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