Abstract
Two-photon dissociative ionization processes of nitrogen molecule are investigated with attosecond nonlinear Fourier transformation spectroscopy. Nonlinear absorption spectrum of nitrogen molecule are extracted by measuring interferometric autocorrelation of a-few-pulse attosecond pulse train using non-sequential two-photon processes of nitrogen molecule. The frequency resolved momentum images (FRMI) are reconstructed from the delay dependent momentum images of fragment ion \( {\text{N}}^{ + } \) and the resultant FRMIs show the attosecond nonlinear response of nitrogen molecule.
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Y. Nabekawa, T. Shimizu, T. Okino, K. Furusawa, H. Hasegawa, K. Yamanouchi, K. Midorikawa, Phys. Rev. Lett. 97, 153904 (2006).
T. Okino, Y. Furukawa, T. Shimizu, Y. Nabekawa, K. Yamanouchi, K. Midorikawa, J. Phys. B: At. Mol. Opt. Phys. 47, 124007 (2014).
Acknowledgments
This research was partially supported by the Photon Frontier Network Program of Ministry of Education, Culture, Sports, Science and Technology, Japan.
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© 2015 Springer International Publishing Switzerland
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Okino, T. et al. (2015). Attosecond Frequency Resolved Momentum Imaging of Two-Photon Dissociative Ionization Dynamics of Nitrogen Molecule. In: Yamanouchi, K., Cundiff, S., de Vivie-Riedle, R., Kuwata-Gonokami, M., DiMauro, L. (eds) Ultrafast Phenomena XIX. Springer Proceedings in Physics, vol 162. Springer, Cham. https://doi.org/10.1007/978-3-319-13242-6_6
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DOI: https://doi.org/10.1007/978-3-319-13242-6_6
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