2015
DOI: 10.1038/srep07786
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Spatial properties of odd and even low order harmonics generated in gas

Abstract: High harmonic generation in gases is developing rapidly as a soft X-ray femtosecond light-source for applications. This requires control over all the harmonics characteristics and in particular, spatial properties have to be kept very good. In previous literature, measurements have always included several harmonics contrary to applications, especially spectroscopic applications, which usually require a single harmonic. To fill this gap, we present here for the first time a detailed study of completely isolated… Show more

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Cited by 17 publications
(11 citation statements)
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“…In addition, one can generate a very short driving field with a wide range of frequency with a well controllable CEP stabilized for a long time and one can detect the phase of the emitted harmonics [32,33]. Along with these studies, some other properties of these low-order harmonics have been experimentally explored [34,35,67,68].…”
Section: Experimental Observations In Nthsmentioning
confidence: 99%
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“…In addition, one can generate a very short driving field with a wide range of frequency with a well controllable CEP stabilized for a long time and one can detect the phase of the emitted harmonics [32,33]. Along with these studies, some other properties of these low-order harmonics have been experimentally explored [34,35,67,68].…”
Section: Experimental Observations In Nthsmentioning
confidence: 99%
“…The generation of cavity enhanced harmonic generation not only leads to the frequency comb in the VUV range, but also draws much attention about the generation process itself, i.e., low-order harmonic generation, whose theoretical description is still unclear. The experimental investigation revealed the coherence [29,30], the CEP dependence [32,33], and some other properties of these harmonics [34,35,67,68]. In this subsection, we will review these progresses and mainly focus on some of the representative experiments.…”
Section: Interference Structures and Negative Group Velocity Dispersi...mentioning
confidence: 99%
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“…The effect of HHG from spatial properties of electron is a hot topic. [9][10][11][12] Lambert et al [13] discussed the spatial properties of harmonic generation in low order and Zhang et al gave the spatial distribution in HHG from a H + 2 and from a HeH 2+ . [14,15] However, there is no discussion on how to restrain the spatial distribution as far as we know.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, only a molecular ion is considered to interact with the driving pulse in our simulation, and the harmonic yields are emitted from many molecules in actual experiment. [13,28,29] The harmonic is measured after propagating for a distance and has a divergence. Our simulation just aimed to give a theoretical expectation and the resolution of HHG from which nucleus may be measured by future tech-nique.…”
Section: Introductionmentioning
confidence: 99%