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Full characterization of an attosecond pulse generated using an infrared driver

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Title
Full characterization of an attosecond pulse generated using an infrared driver
Author(s)
Zhang, CM; Brown, GG; Kyung Taec Kim; Villeneuve, DM; Corkum, PB
Publication Date
2016-05
Journal
SCIENTIFIC REPORTS, v.6, no., pp.26771 -
Publisher
NATURE PUBLISHING GROUP
Abstract
The physics of attosecond pulse generation requires using infrared driving wavelength to reach the soft X-rays. However, with longer driving wavelength, the harmonic conversion efficiency drops significantly. It makes the conventional attosecond pulse measurement using streaking very difficult due to the low photoionization cross section in the soft X-rays region. In-situ measurement was developed for precisely this purpose. We use in-situ measurement to characterize, in both space and time, an attosecond pulse produced by ultrafast wavefront rotation of a 1.8 mu m fundamental beam. We confirm what models suggest - that each beamlet is an isolated attosecond pulse in the time domain. We get almost constant flat wavefront curvature through the whole photon energy range. The measurement method is scalable to the soft X-ray spectral region.
URI
http://pr.ibs.re.kr/handle/8788114/2603
DOI
10.1038/srep26771
ISSN
2045-2322
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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