A brief review is given regarding ultrafast laser micromachining of materials. Some general
experimental observations are first provided to show the characteristics of ultrafast laser …

New results about relaxation dynamics of optically excited electrons in metals, mostly gold
and nickel films, are presented. Emphasis is on electron temperature near the surface as …

Broader bandwidths, denser channel spacing, and higher signal intensities all makes
nonlinear effects more critical to the performance of telecommunications systems. This …

Time-resolved two-photon photoemission (2PPE) at various photon energies is used to
investigate the relaxation dynamics of hot electrons in Cu (111), applying auto-and cross …

10 nm to 500 nm have been measured by femtosecond time-resolved pump-probe
experiments. A conspicuous change of the relaxation behavior was found around 100 nm for …

Lasers are becoming increasingly important in surface science, both for the diagnostic
evaluation and the processing of surfaces, for example, higher harmonic generation for …

Hot electrons dominate the ultrafast (∼ fs–ps) optical and electronic properties of metals and
semiconductors, and they are exploited in a variety of applications including photovoltaics …

The evolution of the electron distribution in a metal irradiated by an ultrashort laser pulse is
described on the basis of numerical solution of the equation for the one-particle density …

Optical second-harmonic generation, although a sophisticated technique, is making a
significant contribution to the characterization of surfaces and interfaces. The advantages …

Time-resolved surface second-harmonic generation (SHG) is used to probe electron
relaxation processes in gold following intense laser excitation at 1.55 eV. For the first time …