Analysis of phase dependence of the two single-attosecond-pulse generation techniques

WANG Chao; KANG Yi-fan; TIAN Jin-shou; LIU Hu-lin

doi:10.3969/j.issn.1001-806.2012.04.020

LASER TECHNOLOGY > 2012 > 36(4): 516-519. > DOI: 10.3969/j.issn.1001-806.2012.04.020

WANG Chao, KANG Yi-fan, TIAN Jin-shou, LIU Hu-lin. Analysis of phase dependence of the two single-attosecond-pulse generation techniques[J]. LASER TECHNOLOGY, 2012, 36(4): 516-519. DOI: 10.3969/j.issn.1001-806.2012.04.020

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Analysis of phase dependence of the two single-attosecond-pulse generation techniques

1.
State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China;
2.
School of Science, Air Force Engineering University, Xi'an 710051, China

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Received Date: September 28, 2011
Revised Date: October 17, 2011
Published Date: July 24, 2012

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Abstract

For the sake of understanding the carrier-envelope-phase dependence of the two single-attosecond-pulse generation techniques,i.e.,amplitude gating and polarization gating,the influence of carrier-envelope phase of the driving field on the generation of extreme ultraviolet single attosecond pulse with either of the basic techniques was analyzed based on its principle and the three-step scenario of high-harmonic generation.It indicates that the optimal carrier-envelope phases for amplitude gating and polarization gating are 0 and 0.5π respectively,whose difference was induced by the close dependence of high-harmonic generation on the polarization feature of driving field.The results are of great significance to the generation and its related applications of extreme ultraviolet attosecond pulses with narrow pulse duration.
- laser technique,
- carrier-envelope,
- phase high-harmonic,
- generation gating technology

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