STABLE SELF-CHANNELING OF INTENSE ULTRAVIOLET PULSES IN UNDERDENSE PLASMA, PRODUCING CHANNELS EXCEEDING 100 RAYLEIGH LENGTHS

被引：71

作者：

BORISOV, AB

SHI, X

KARPOV, VB

KOROBKIN, VV

SOLEM, JC

SHIRYAEV, OB

MCPHERSON, A

BOYER, K

RHODES, CK

机构：

[1] RUSSIAN ACAD SCI, INST GEN PHYS, MOSCOW 11794, RUSSIA

[2] LOS ALAMOS NATL LAB, DIV THEORET, LOS ALAMOS, NM 87545 USA

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 1994年 / 11卷 / 10期

关键词：

D O I：

10.1364/JOSAB.11.001941

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Spatially confined propagation of high-power subpicosecond (similar to 270-fs) ultraviolet (248-nm) pulses has been experimentally studied in cold underdense plasma. The observed channels were longitudinally uniform, were approximately 1.4 mu m in diameter, and persisted for a length of 3-4 mm, a distance exceeding 100 Rayleigh ranges. X rays with a quantum energy > 0.5 keV were also detected from the zone of propagation in coincidence with the channel formation. The occurrence of self-channeling with the rapid formation of a stable, extended, and longitudinally homogeneous filament is in qualitative agreement with a theoretical picture involving relativistic and charge-displacement nonlinearities.

引用

页码：1941 / 1947

页数：7

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