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Assistant Professor Jonas Sellberg, Department of Applied Physics, Biomedical and X-ray physics, KTH, Stockholm

X-ray free electron lasers and its applications

Time: Thu 2016-04-14 09.00 - 11.00

Location: FA31

Participating: Assistant Professor Jonas Sellberg

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Title: X-ray free electron lasers and its applications

Abstract: Accelerator-based x-ray sources have revolutionized the field of x-ray science and technology, producing synchrotron radiation that to date have resulted in five Nobel prizes based on its use. With the advent of the first hard x-ray free-electron laser (XFEL) becoming operational in 2009 [1], peak brightness comparable to conventional lasers in the IR and optical regime has been achieved through self-amplified spontaneous emission (SASE) [2-3].

This talk will give an introduction to XFELs and the SASE process, discuss their recent development, and show examples of XFEL science applied to chemistry, biology, and molecular physics.

[1] “First lasing and operation of an ångstrom-wavelength free-electron laser”, P. Emma et al., Nature Photonics 4, 641-647 (2010).

[2] “X-ray free-electron lasers”, B. W. J. McNeil & N. R. Thompson, Nature Photonics 4, 814-821 (2010).

[3] “From 3rd- to 4th-Generation Light Sources: Free-Electron Lasers in the X-ray Range”, M. Altarelli, Crystallography Reports 55, 1145–1151 (2010).

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Last changed: Apr 07, 2016