Atomic inner-shell laser at 1.5-ångström wavelength pumped by an X-ray free-electron laser

Nature

Volumn 524, Issue 7566, 2015, Pages 446-449

  Yoneda, Hitoki ^a,b   Inubushi, Yuichi ^b,c   Nagamine, Kazunori ^a   Michine, Yurina ^a   Ohashi, Haruhiko ^b,c   Yumoto, Hirokatsu ^c   Yamauchi, Kazuto ^b,d   Mimura, Hidekazu ^b,e   Kitamura, Hikaru ^f   Katayama, Tetsuo ^c   Ishikawa, Tetsuya ^b   Yabashi, Makina ^b  

^a UNIVERSITY OF ELECTRO COMMUNICATIONS   (Japan)

^b RIKEN SPring 8 Center   (Japan)

^c JAPAN SYNCHROTRON RADIATION RESEARCH INSTITUTE   (Japan)

^d OSAKA UNIVERSITY   (Japan)

^e UNIVERSITY OF TOKYO   (Japan)

^f KYOTO UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

COPPER;

ABSORPTION; COPPER; ELECTRON; IMAGE RESOLUTION; LASER; PROBE; QUANTUM MECHANICS; WAVELENGTH; X-RAY SPECTROSCOPY;

ARTICLE; ATOM; COLOR; CONTROLLED STUDY; ELECTRON; ENERGY ABSORPTION; FIELD EMISSION; LASER; LIGHT; OPTICS; PHOTON; PRIORITY JOURNAL; PULSE WAVE; SPECTRAL SENSITIVITY; X RAY; X RAY FREE ELECTRON LASER;

EID: 84940549693     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature14894     Document Type: Article

References (28)

1. Matthews, D. L. et al. Demonstration of a soft X-ray amplifier. Phys. Rev. Lett. 54, 110-113 (1985).
2. Suckewer, S., Skinner, S., Milchberg, C. H., Keane, C. & Voorhees, D. Amplification of stimulated soft X-ray emission in a confined plasma column. Phys. Rev. Lett. 55, 1753-1756 (1985).
3. Kondratenko, A. M. & Saldin, E. L. Generation of coherent radiation by a relativistic electron beam in an ondulator. Particle Accel. 10, 207-216 (1980).
4. Bonifacio, R., Pellegrini, C. & Narducci, L. M. Collective instabilities and high-gain regime in a free-electron laser. Opt. Commun. 50, 373-378 (1984).
5. Emma, P. et al. First lasing and operation of an ångstrom-wavelength free-electron laser. Nature Photon. 4, 641-647 (2010).
6. Ishikawa, T. et al. A compact X-ray free-electron laser emitting in the sub-ångström region. Nature Photon. 6, 540-544 (2012).
7. Rohringer, N. et al. Atomic inner-shell X-ray laser at 1.46 nanometres pumped by an X-ray free-electron laser. Nature 481, 488-491 (2012).
8. Mimura, H. et al. Generation of 1020 W/cm2 hard X-ray laser pulses with two-stage reflective focusing system. Nature Commun. 5, 3539 (2014).
9. Hara, T. et al. Two-colour hard x-ray free-electron laser with wide tunability. Nature Commun. 4, 2919 (2013).
10. Young, L. et al. Femtosecond electronic response of atoms to ultra-intense X-rays. Nature 466, 56-62 (2012).
11. Glover, T. E. et al. X-ray and optical wave mixing. Nature 488, 603-609 (2012).
12. Shwartz, S. et al. X-ray second harmonic generation. Phys. Rev. Lett. 112, 163901 (2014).
13. Tamasaku, K. et al. X-ray two-photon absorption competing against single and sequential multiphoton processes. Nature Photon. 8, 313-316 (2014).
14. Yoneda, H. et al. Saturable absorption of hard X-rays in iron. Nature Commun. 5, 5080 (2014).
15. Suckewer, S. & Jaeglé, P. X-ray laser: past, present, and future. Laser Phys. Lett. 6, 411 (2009).
16. Duguay, M. A. & Rentzepis, P.M. Some approaches to vacuumUVand X-ray lasers. Appl. Phys. Lett. 10, 350-352 (1967).
17. Kapteyn, H. C., Lee, R. W. & Falcone, R.W. Observation of a short-wavelength laser pumped by Auger decay. Phys. Rev. Lett. 57, 2939-2942 (1986).
18. Beye, M. et al. Stimulated X-ray emission for materials science. Nature 501, 191-194 (2013).
19. Tono, K. et al. Beamline, experimental stations and photon beam diagnostics for the hard x-ray free electron laser of SACLA. New J. Phys. 15, 083035 (2013).
20. Inubushi, Y. et al. Determination of the pulse duration of an X-ray free electron laser using highly resolved single-shot spectra. Phys. Rev. Lett. 109, 144801 (2012).
21. Kameshima, T. et al. Development of an X-ray pixel detector with multi-port charge-coupled device for X-ray free-electron laser experiments. Rev. Sci. Instrum. 85, 033110 (2014).
22. Elton, R. C. X-ray Lasers (Academic, 1990).
23. Deutsch, M. et al. Kα and Kβ x-ray emission spectra of copper. Phys. Rev. A 51, 283-296 (1995).
24. Rackstraw, D. S. et al. Opacity effects in a solid-density aluminium plasma created by photo-excitation with an X-ray laser. High Energy Density Phys. 11, 59-69 (2014).
25. Vinko, S. M. et al. Creation and diagnosis of a solid-density plasma with an X-ray free-electron laser. Nature 482, 59-62 (2012).
26. Ciricosta, O. et al. Direct measurements of the ionization potential depression in a dense plasma. Phys. Rev. Lett. 109, 065002 (2012).
27. Cho, B. I. et al. Resonant Ka spectroscopy of solid-density aluminum plasmas. Phys. Rev. Lett. 109, 245003 (2012).
28. Deutsch, M. & Hart, M. Wavelength, energy shape, and structure of the CuK at x-ray emission line. Phys. Rev. B 26, 5558-5567 (1982).