Northwestern Events Calendar

Nov
14
2014

Christoph Bostedt: Research with free-electron lasers: new horizons for ultrafast x-ray sciences

When: Friday, November 14, 2014
4:00 PM - 5:00 PM CT

Where: Technological Institute, L211, 2145 Sheridan Road, Evanston, IL 60208 map it

Audience: Faculty/Staff - Student - Public

Contact: Pamela Villalovoz   13645

Group: Physics and Astronomy Colloquia

Category: Academic

Description:

Title: Research with free-electron lasers: new horizons for ultrafast x-ray sciences

Speaker: Christoph Bostedt, SLAC

Abstract: Free-electron lasers deliver extremely intense, coherent x-ray flashes with femtosecond pulse length, opening the door for imaging single nanoscale objects in a single shot and ultrafast spectroscopy of core-level electrons. After an introduction to free-electron lasers, I will present selected science examples enabled by these sources. Imaging of individual superfluid helium nanodroplets allows the unambiguous identification of quantum vortices. Ultrafast scattering of small highly excited nanoplasmas carries information about their transient electronic states. The combination of optical with x-ray lasers allows the investigation of dynamically evolving systems with femtosecond time and nanometer spatial resolution. I will end my talk with an outlook on where I see the field heading in the next years and what exciting opportunities can be envisioned.

Host: Chris Jacobsen

Speaker Schedule

 

Keywords: Physics, Astronomy, colloquium

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