FEL experiments for atoms, molecules, and atomic clusters in the EUV t…
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" Following FLASH operation in Germany [1], SPring-8 Compact SASE Source (SCSS) test accel-erator in Japan [2] started user operation in 2008. These facilities provide EUVFEL pulses. In 2009, LCLS [3] started user operation. SACLA, Japanese XFEL [4], lased in June 2011 in the hard X-ray regime and started user operation in March 2012. We have been studying multi-photon processes in atoms, molecules, and clusters at these FEL facilities, from EUV to X-rays, using electron and ion momentum spectroscopy [5-17]. Also we have been performing pump-probe experiments, to probe the atomic motion in reaction, to see the evolution of nanoplasma formed by the FEL pulse, etc. During my talk, I will describe some showcase examples to illustrate how we enjoy new opportunities to investigate unexplored new areas of science using these new light sources.
I am grateful to all the collaborators who are co-authors of Refs. [5-17] and who are on SACLA campaigns. The work is supported by X-ray Free Electron Laser Utilization Research Project and of MEXT.
[1] W. Ackermann et al., Nat. Photonics 1, 336 (2007).
[2] T. Shintake et al., Nat. Photonics 2, 555 (2008).
[3] P. Emma et al., Nat. Photonics 4, 641 (2010).
[4] T. Ishikawa et al. Nat. Photonics (in press) doi:10.1038/nphoton.2012.141.
[5] H. Fukuzawa et al., Phys. Rev. A 79, 031201(R) (2009).
[6] H. Iwayama et al., J. Phys. B 42, 134019 (2009); 43, 161001 (2010).
[7] H. Fukuzawa et al., J. Phys. B 42, 181001 FTC (2009); 43, 111001 FTC (2010).
[8] K. Motomura et al., J. Phys. B: At. Mol. Opt. Phys. 42, 221003 FTC (2009).
[9] A. Yamada et al., J. Chem. Phys. 132, 204305 (2010).
[10] Y.H. Jiang et al., Phys. Rev. A 81, 021401(R) (2010): 81, 051401(R) (2010); 82, 041403 (2010); Y.H. Jiang et al., Phys. Rev. Lett. 105, 263002 (2010).
[11] A. Rouzee et al., Phys. Rev. A 83, 031401(R) (2011).
[12] N. Berrah et al., Proc. Nat. Acad. Sci. 108, 16912 (2011); P. Sal�n et al. Phys. Rev. Lett. 108, 153003 (2012).
[13] R. Moshammer et al., Opt. Express 19, 21698 (2011).
[14] E.V. Gryzlova et al., Phys. Rev. A 84, 063405 (2011).
[15] M. Meyer et al., Phys. Rev. Lett. 108, 063007 (1012).
[16] P. Sal�n et al., Phys. Rev. Lett. 108, 153003 (2012).
[17] K. Ishikawa and K. Ueda, Phys. Rev. Lett. 108, 033003 (2012); R. Ma et al. ar-Xiv:1204.4812v1 [physics.atom-ph] (2012)"
I am grateful to all the collaborators who are co-authors of Refs. [5-17] and who are on SACLA campaigns. The work is supported by X-ray Free Electron Laser Utilization Research Project and of MEXT.
[1] W. Ackermann et al., Nat. Photonics 1, 336 (2007).
[2] T. Shintake et al., Nat. Photonics 2, 555 (2008).
[3] P. Emma et al., Nat. Photonics 4, 641 (2010).
[4] T. Ishikawa et al. Nat. Photonics (in press) doi:10.1038/nphoton.2012.141.
[5] H. Fukuzawa et al., Phys. Rev. A 79, 031201(R) (2009).
[6] H. Iwayama et al., J. Phys. B 42, 134019 (2009); 43, 161001 (2010).
[7] H. Fukuzawa et al., J. Phys. B 42, 181001 FTC (2009); 43, 111001 FTC (2010).
[8] K. Motomura et al., J. Phys. B: At. Mol. Opt. Phys. 42, 221003 FTC (2009).
[9] A. Yamada et al., J. Chem. Phys. 132, 204305 (2010).
[10] Y.H. Jiang et al., Phys. Rev. A 81, 021401(R) (2010): 81, 051401(R) (2010); 82, 041403 (2010); Y.H. Jiang et al., Phys. Rev. Lett. 105, 263002 (2010).
[11] A. Rouzee et al., Phys. Rev. A 83, 031401(R) (2011).
[12] N. Berrah et al., Proc. Nat. Acad. Sci. 108, 16912 (2011); P. Sal�n et al. Phys. Rev. Lett. 108, 153003 (2012).
[13] R. Moshammer et al., Opt. Express 19, 21698 (2011).
[14] E.V. Gryzlova et al., Phys. Rev. A 84, 063405 (2011).
[15] M. Meyer et al., Phys. Rev. Lett. 108, 063007 (1012).
[16] P. Sal�n et al., Phys. Rev. Lett. 108, 153003 (2012).
[17] K. Ishikawa and K. Ueda, Phys. Rev. Lett. 108, 033003 (2012); R. Ma et al. ar-Xiv:1204.4812v1 [physics.atom-ph] (2012)"
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