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Chapter and Conference Paper
Measurement of Laser Wakefield Oscillations by Femtosecond Longitudinal Interferometry
An ultrafast time-resolved measurement of plasma density oscillations in the wake of an intense, tightly focused laser pulse is presented.
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Chapter and Conference Paper
Nonequilibrium Superconductivity and Quasiparticle Dynamics in YBa2Cu3O7
We use optical pump, coherent terahertz probe spectroscopy to transiently excite nonequilibrium populations of quasiparticles in YBa2Cu3O7−δ and monitor, with picosecond resolution, the superfluid and quasipartic...
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Chapter and Conference Paper
Time-resolved x-ray diffraction study of ultrafast acoustic phonon dynamics in Ge/Si-heterostructures
Using time-resolved x-ray diffraction the ultafast strain dynamics in fslaserexcited Ge/Si-heterostructures has been studied. A fluence dependent, anharmonic dam** of the impulsively generated acoustic phono...
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Chapter and Conference Paper
Direct Observation of Ultrafast Non-thermal Melting by Ultrafast X-ray Diffraction
Ultrafast nonthermal melting of femtosecond laser-irradiated germanium was observed directly for the first time using sub-picosecond. 1.54-angstrom x-ray diffraction. Such measurements allow the study of trans...