Momentum space tomographic imaging of photoelectrons

被引:61
作者
Smeenk, C. [1 ,2 ]
Arissian, L. [1 ,2 ,3 ]
Staudte, A. [1 ,2 ]
Villeneuve, D. M. [1 ,2 ]
Corkum, P. B. [1 ,2 ]
机构
[1] Univ Ottawa, Joint Lab Attosecond Sci, Ottawa, ON, Canada
[2] Natl Res Council Canada, Ottawa, ON, Canada
[3] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA
基金
加拿大自然科学与工程研究理事会;
关键词
ANGULAR-DISTRIBUTIONS; PHOTOIONIZATION; RECONSTRUCTION; SPECTROSCOPY; IONIZATION; INVERSION; ION;
D O I
10.1088/0953-4075/42/18/185402
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We apply tomography, a general method for reconstructing 3D distributions from multiple projections, to reconstruct the momentum distribution of electrons produced via strong field photoionization. The projections are obtained by rotating the electron distribution via the polarization of the ionizing laser beam and recording a momentum spectrum at each angle with a 2D velocity map imaging spectrometer. For linearly polarized light, the tomographic reconstruction agrees with the distribution obtained using an Abel inversion. Electron tomography, which can be applied to any polarization, will simplify the technology of electron imaging. The method can be directly generalized to other charged particles.
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页数:5
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