2017
DOI: 10.1103/physrevlett.118.013002
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Circular Dichroism in Multiphoton Ionization of Resonantly ExcitedHe+Ions

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Cited by 68 publications
(55 citation statements)
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References 42 publications
(32 reference statements)
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“…In particular, polarization control of intense high-energy FEL pulses [24,25] enables one today to test the chiral or dichroic properties of matter with unprecedented accuracy [26,27] and in extreme ultraviolet or xray energy domains. For example, Ilchen et al [28] have recently studied circular dichroism of oriented He + ions and found the atomic orientation imprinted on both, the differential and total cross sections. On the other, circular dichroism can also be used as a tool for analyzing the polarization state of FELs [29].…”
mentioning
confidence: 99%
“…In particular, polarization control of intense high-energy FEL pulses [24,25] enables one today to test the chiral or dichroic properties of matter with unprecedented accuracy [26,27] and in extreme ultraviolet or xray energy domains. For example, Ilchen et al [28] have recently studied circular dichroism of oriented He + ions and found the atomic orientation imprinted on both, the differential and total cross sections. On the other, circular dichroism can also be used as a tool for analyzing the polarization state of FELs [29].…”
mentioning
confidence: 99%
“…Past studies have investigated the dependence of the ionization rate on the relative helicity of a onecolor circularly polarized field and the atomic orbital from which the electron is ionized, showing that at low(high) intensities, a co(counter)-rotating geometry is preferred [42][43][44][45][46]. Additionally, recent work has looked at helicity dependent ionization with a few vacuum ultraviolet and near-infrared (NIR) photons [47][48][49][50][51], in which the probability of ionization via different resonant pathways in He + was determined, and a helicity dependent ac Stark shift was observed [51].…”
Section: Introductionmentioning
confidence: 99%
“…As e.g. shown in [1,6] the NIR field increases the ionization potential by the dynamical Stark effect, leading to a reduction of the kinetic energy of the photoelectrons by U I 4…”
Section: Simulating Experimental Conditionsmentioning
confidence: 86%
“…Combining extreme ultraviolet (XUV) free-electron laser (FEL) radiation with intense optical or near infrared (NIR) laser fields opens up a wide range of laser assisted photoionization experiments [1][2][3][4][5][6][7]. Electrons emitted by XUV photoionization during an intense multi-cycle NIR field experience the quantum nature of the dressing field and can be shifted in energy by an integer number of NIR quanta, ±ÿω L , and hence change angular momentum.…”
Section: Introductionmentioning
confidence: 99%