Generation of Electromagnetic Fields of Extremely High Intensity by Coherent Summation of Cherenkov Superradiance Pulses

被引：70

作者：

Ginzburg, N. S. ^{[1
]}

Cross, A. W. ^{[2
]}

Golovanov, A. A. ^{[1
]}

Mesyats, G. A. ^{[3
]}

Pedos, M. S. ^{[4
]}

Phelps, A. D. R. ^{[2
]}

Romanchenko, I. V. ^{[5
]}

Rostov, V. V. ^{[5
]}

Rukin, S. N. ^{[4
]}

Sharypov, K. A. ^{[4
]}

Shpak, V. G. ^{[4
]}

Shunailov, S. A. ^{[4
]}

Ulmaskulov, M. R. ^{[4
]}

Yalandin, M. I. ^{[4
]}

Zotova, I. V. ^{[1
]}

机构：

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

[2] Univ Strathclyde, Dept Phys, Glasgow G4 0NG, Lanark, Scotland

[3] RAS, PN Lebedev Phys Inst, Moscow 119991, Russia

[4] UB RAS, Inst Electrophys, Ekaterinburg 620016, Russia

[5] SB RAS, Inst High Current Elect, Tomsk 634055, Russia

来源：

PHYSICAL REVIEW LETTERS | 2015年 / 115卷 / 11期

基金：

英国工程与自然科学研究理事会;

关键词：

ELECTRON-BEAM; PHASE-LOCKING; POWER;

D O I：

10.1103/PhysRevLett.115.114802

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate both theoretically and experimentally the possibility of correlating the phase of a Cherenkov superradiance (SR) pulse to the sharp edge of a current pulse, when spontaneous emission of the electron bunch edge serves as the seed for SR processes. By division of the driving voltage pulse across several parallel channels equipped with independent cathodes we can synchronize several SR sources to arrange a two-dimensional array. In the experiments carried out, coherent summation of radiation from four independent 8-mm wavelength band SR generators with peak power 600 MW results in the interference maximum of the directional diagram with an intensity that is equivalent to radiation from a single source with a power of 10 GW.

引用

页数：5

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