Manifestations of sub- and superluminality in filamented femtosecond laser pulse in fused silica

被引：20

作者：

Blonskyi, Ivan ^{[1
]}

Kadan, Viktor ^{[1
]}

Shpotyuk, Oleh ^{[2
]}

Dmitruk, Igor ^{[1
]}

机构：

[1] Natl Acad Sci Ukraine, Dept Photon Proc, Inst Phys, UA-03680 Kiev, Ukraine

[2] Sci Res Co Carat, UA-79031 Lvov, Ukraine

来源：

OPTICS COMMUNICATIONS | 2009年 / 282卷 / 09期

关键词：

Femtosecond laser pulses; Kerr effect; Filaments; Superluminality; TRANSFORMATION;

D O I：

10.1016/j.optcom.2009.01.056

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Filamented propagation of femtosecond laser pulses in fused silica is studied using microscopy of Femtosecond Time-resolved Optical Polarigraphy (FTOP). Both super- and subluminal translation of axial intensity maxima in a 100 fs time scale has been directly recorded. The observed spatio-temporal periodicity of the pulse shape in longitudinal and transversal directions is tentatively interpreted as two projections on X and Y axes of the same fringe pattern formed by the interference of the axial part of the beam and spontaneously generated conical beam. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1913 / 1917

页数：5

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