Siders, Craig W.; Cavalleri, Andrea; Guo, Ting; Tóth, Csaba; Jimenez, Ralph; Rose-Petruck, Christoph G.; Wilson, Kent R.; Barty, Christopher P. P.; Sokolowski-Tinten, Klaus; von der Linde, Dietrich; Kammler, Martin; Horn-von Hoegen, Michael:

Ultrafast movies of atomic motion with femtosecond laser-based X-rays

In: SPIE Proceedings, Jg. 3776 (1999) ; Nr. 302
Zeitschriftenaufsatz / Fach: Physik
Fakultät für Physik » Experimentalphysik
Using ultrafast x-ray diffraction from a laser-plasma x-ray source, we have observed coherent photon generation and propagation in bulk(111)-GaAs, (111)-Ge, and thin(111)-Ge- on-Si films. At higher optical pump fluences, ultrafast melting of Ge films is observed.