Formation of X-waves at fundamental and harmonics by infrared femtosecond pulse filamentation in air

Han Xu; Hui Xiong; Yuxi Fu; Jinping Yao; Zenghui Zhou; Ya Cheng; Zhizhan Xu; See Leang Chin

doi:10.1063/1.3050523

Formation of X-waves at fundamental and harmonics by infrared femtosecond pulse filamentation in air

Han Xu^*
, Hui Xiong
, Yuxi Fu
, Jinping Yao
, Zenghui Zhou
, Ya Cheng
, Zhizhan Xu
, See Leang Chin

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

We experimentally observe the formation of X-waves at fundamental, third harmonic, and fifth harmonic wavelengths by infrared (central wavelength at ∼1500 nm) femtosecond laser pulse filamentation in air. By fitting the angularly resolved spectra of the fundamental and harmonic waves using X -wave relations, we confirm that all the X -waves have nearly the same group velocity, indicating that they are locked in space and time during their propagation in filament.

Original language	English
Article number	241104
Journal	Applied Physics Letters
Volume	93
Issue number	24
DOIs	https://doi.org/10.1063/1.3050523
State	Published - 2008
Externally published	Yes

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10.1063/1.3050523

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title = "Formation of X-waves at fundamental and harmonics by infrared femtosecond pulse filamentation in air",

abstract = "We experimentally observe the formation of X-waves at fundamental, third harmonic, and fifth harmonic wavelengths by infrared (central wavelength at ∼1500 nm) femtosecond laser pulse filamentation in air. By fitting the angularly resolved spectra of the fundamental and harmonic waves using X -wave relations, we confirm that all the X -waves have nearly the same group velocity, indicating that they are locked in space and time during their propagation in filament.",

author = "Han Xu and Hui Xiong and Yuxi Fu and Jinping Yao and Zenghui Zhou and Ya Cheng and Zhizhan Xu and Chin, \{See Leang\}",

year = "2008",

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journal = "Applied Physics Letters",

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T1 - Formation of X-waves at fundamental and harmonics by infrared femtosecond pulse filamentation in air

AU - Xu, Han

AU - Xiong, Hui

AU - Fu, Yuxi

AU - Yao, Jinping

AU - Zhou, Zenghui

AU - Cheng, Ya

AU - Xu, Zhizhan

AU - Chin, See Leang

PY - 2008

Y1 - 2008

N2 - We experimentally observe the formation of X-waves at fundamental, third harmonic, and fifth harmonic wavelengths by infrared (central wavelength at ∼1500 nm) femtosecond laser pulse filamentation in air. By fitting the angularly resolved spectra of the fundamental and harmonic waves using X -wave relations, we confirm that all the X -waves have nearly the same group velocity, indicating that they are locked in space and time during their propagation in filament.

AB - We experimentally observe the formation of X-waves at fundamental, third harmonic, and fifth harmonic wavelengths by infrared (central wavelength at ∼1500 nm) femtosecond laser pulse filamentation in air. By fitting the angularly resolved spectra of the fundamental and harmonic waves using X -wave relations, we confirm that all the X -waves have nearly the same group velocity, indicating that they are locked in space and time during their propagation in filament.

UR - https://www.scopus.com/pages/publications/57849149074

U2 - 10.1063/1.3050523

DO - 10.1063/1.3050523

M3 - 文章

AN - SCOPUS:57849149074

SN - 0003-6951

VL - 93

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 24

M1 - 241104

ER -

Formation of X-waves at fundamental and harmonics by infrared femtosecond pulse filamentation in air

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