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2015•Unpublished venueRequires access

Nonlinear analysis of a 330 GHz second-harmonic low-voltage gyrotron

Xiang-Bo Qi, Chao‐Hai Du, Li Luo, Bin Huang, Zheng-Di Li, Pu‐Kun Liu

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Abstract

The nonlinear analysis of a 330 GHz second-harmonic TE94mode low-voltage gyrotron is presented in this paper. With electron beam of voltage 20 kV and current 0.5 A, the interaction circuit is optimized to achieve efficiency up to 13.6%. Based on nonlinear analysis, mode competition of the gyrotron is preliminarily revealed. The gyrotron is promising to be applied in 500MHz dynamic nuclear polarization enhanced nuclear magnetic resonance (DNP-NMR).

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What this paper is about

The nonlinear analysis of a 330 GHz second-harmonic TE94mode low-voltage gyrotron is presented in this paper. With electron beam of voltage 20 kV and current 0.5 A, the interaction circuit is optimized to achieve efficiency up to 13.6%. Based on nonlinear analysis, mode competition of the gyrotron is preliminarily revealed. The gyrotron is promising to be applied in 500MHz dynamic nuclear polarization enhanced nuclear magnetic resonance (DNP-NMR).

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Available abstract

The nonlinear analysis of a 330 GHz second-harmonic TE94mode low-voltage gyrotron is presented in this paper. With electron beam of voltage 20 kV and current 0.5 A, the interaction circuit is optimized to achieve efficiency up to 13.6%. Based on nonlinear analysis, mode competition of the gyrotron is preliminarily revealed. The gyrotron is promising to be applied in 500MHz dynamic nuclear polarization enhanced nuclear magnetic resonance (DNP-NMR).

Key concepts: Gyrotron, Harmonic analysis, Nonlinear system, Physics, Voltage, Polarization (electrochemistry), Harmonic, Nuclear magnetic resonance

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