Backward Terahertz Radiation from a Two-Color Femtosecond Laser Filament

被引：15

作者：

Ushakov, A. A. ^{[1
,2
,3
,4
]}

Matoba, M. ^{[4
]}

Nemoto, N. ^{[4
]}

Kanda, N. ^{[5
,6
]}

Konishi, K. ^{[7
]}

Chizhov, P. A. ^{[1
]}

Panov, N. A. ^{[2
,3
]}

Shipilo, D. E. ^{[2
,3
]}

Bukin, V. V. ^{[1
]}

Kuwata-Gonokami, M. ^{[4
]}

Yumoto, J. ^{[4
,7
]}

Kosareva, O. G. ^{[2
,3
]}

Garnov, S. V. ^{[1
,8
]}

Savel'ev, A. B. ^{[2
,3
]}

机构：

[1] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow 119991, Russia

[2] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia

[3] Moscow MV Lomonosov State Univ, Ctr Int Laser, Moscow 119991, Russia

[4] Univ Tokyo, Dept Phys, Tokyo 1138654, Japan

[5] RIKEN, Ctr Adv Photon, Tokyo 3510198, Japan

[6] Univ Tokyo, Photon Sci Ctr, Tokyo 1138654, Japan

[7] Univ Tokyo, Inst Photon Sci & Technol, Tokyo 1138654, Japan

[8] Natl Res Nucl Univ MEPhI Moscow Engn Phys Inst, Moscow 115409, Russia

来源：

JETP LETTERS | 2017年 / 106卷 / 11期

基金：

俄罗斯科学基金会;

关键词：

EMISSION; RECTIFICATION;

D O I：

10.1134/S0021364017230047

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first experimental observation of backward terahertz emission from the two-color laser induced plasma filament in air. The ratio of measured forward-to-backward terahertz radiation is similar to 25/1. This result agrees with numerical simulations based on interferometric model assuming 0.3 mm long plasma source.

引用

页码：706 / 708

页数：3

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