Ultrashort-pulsed truncated polychromatic Bessel-Gauss beams

被引：33

作者：

Grunwald, R. ^{[1
]}

Bock, M. ^{[1
]}

Kebbel, V. ^{[2
]}

Huferath, S. ^{[3
]}

Neumann, U. ^{[4
]}

Steinmeyer, G. ^{[1
]}

Stibenz, G. ^{[5
]}

Neron, J. -L- ^{[7
]}

Piche, M. ^{[6
]}

机构：

[1] Max Born Inst Nonlinear Opt & Short Pulse Spect, D-12489 Berlin, Germany

[2] bwm GmbH, D-28239 Bremen, Germany

[3] BIAS Bremer Inst Angew Strahltechn GmbH, D-28359 Bremen, Germany

[4] F&T Fibers & Technol GmbH, D-12489 Berlin, Germany

[5] APE Angew Phys & Elekt GmbH, D-13053 Berlin, Germany

[6] Univ Laval, Dept Phys, COPL, Ste Foy, PQ G1K 7P4, Canada

[7] Dor Lenses, Quebec City, PQ G1K 4N7, Canada

来源：

OPTICS EXPRESS | 2008年 / 16卷 / 02期

关键词：

D O I：

10.1364/OE.16.001077

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Spatio-spectral and spatio-temporal transfer and intensity propagation of truncated ultrashort-pulsed Bessel-Gauss beams were investigated. Extended needle-shaped focal zones were generated using a compact setup with a reflective small-angle axicon and self-apodized truncation by an adapted aperture. Spectral maps of Bessel-Gauss beams were analyzed on the basis of higher order statistical moments. Compared to focused pulsed Gaussian beams with their spectrally dependent propagation, an ultrabroadband spatio-spectral transfer function was detected over Rayleigh ranges exceeding 10 cm. These results indicate favorable pseudo-nondiffracting characteristics not only from the point of view of spatial propagation but also with respect to the spectral and temporal stability. (c) 2008 Optical Society of America.

引用

页码：1077 / 1089

页数：13

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