Development of High-Harmonic CW Gyrotron with an Operating Frequency of 1.2 THz

被引：0

作者：

Tsvetkov, Alexander, I ^{[1
,3
]}

Manuilov, Vladimir N. ^{[1
,2
]}

Zotova, Irina, V ^{[1
,3
]}

Bandurkin, Ilya, V ^{[1
]}

Fedotov, Alexey E. ^{[1
]}

Zaslavski, Vladislav Yu ^{[1
]}

Tatematsu, Yoshinori ^{[3
]}

Mitsudo, Seitaro ^{[3
]}

Idehara, Toshitaka ^{[3
]}

Glyavin, Mikhail Yu ^{[1
]}

机构：

[1] Inst Appl Phys RAS, Nizhnii Novgorod 603950, Russia

[2] Nizhnii Novgorod State Univ, Nizhnii Novgorod 603950, Russia

[3] Univ Fukui, Res Ctr Dev Far Infrared Reg, Fukui 9108507, Japan

来源：

2019 44TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) | 2019年

关键词：

D O I：

10.1109/irmmw-thz.2019.8874134

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The report is devoted to development of a 3(d) harmonic CW gyrotron with the record output frequency of 1.2 THz. Based on analyses of start currents we demonstrate, that improvement of mode selectivity can be achieved due to interaction with an electron beam having a specially increased (up to 30-40%) velocity spread. In such conditions the start current of a near-cutoff operating mode decreases due to influence of "slow" electron fractions in the electron beams. At the same time, the start currents of parasitic modes, which are very sensitive to the velocity spread, increases significantly. The suppression of spurious mode and selective excitation an operating TE15,6 mode is demonstrated in the frame of 3D particle-in-cell simulations using CST STUDIO SUITE.

引用

页数：1

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