Download Attosecond Experiments on Plasmonic Nanostructures: by Johannes Schötz PDF

By Johannes Schötz

ISBN-10: 3658137126

ISBN-13: 9783658137120

ISBN-10: 3658137134

ISBN-13: 9783658137137

Johannes Schötz offers the 1st measurements of optical electro-magnetic near-fields round nanostructures with subcycle-resolution. the power to degree and comprehend light-matter interactions at the nanoscale is a crucial part for the improvement of light-wave-electronics, the keep an eye on and steerage of electron dynamics with the frequency of sunshine, which delivers a speed-up via numerous orders of significance in comparison to traditional electronics. The experiments awarded the following on steel nanotips, regularly occurring in experiments and functions, don't merely reveal the feasibility of attosecond streaking as a different software for basic experiences of ultrafast nanophotonics but additionally symbolize a primary very important step in the direction of this goal.

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Additional resources for Attosecond Experiments on Plasmonic Nanostructures: Principles and Experiments

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As can be seen in Fig. 8 a) the peaks from the optical loss function in Fig. 5 can be recognized in the DIIMFP. 3 Surface Scattering 53 and extends from low energies to the kinetic energy of the electron. For other materials, especially free-electron-like metals such as Al and Mg, the loss function is dominated by a single plasmon peak. This single plasmon peak can be observed even with a broadband XUV excitation and has even been measured with attosecond streaking [41]. The variation of the DCS is shown in Fig.

47]) we will © Springer Fachmedien Wiesbaden 2016 J. 1007/978-3-658-13713-7_4 36 4 Electron scattering in solids shortly describe the general procedure here. Due to the symmetry the solution of the Schr¨ odinger Equation (SE) can be expanded into different orbital angular momentum states with quantum number l. This leads to a separate one-dimensional equation for each l in the radial variable r. For large r, where the potential for a neutral atom is zero, the general solution is known analytically (it has the same form as the one encountered in Mie-theory [36]).

8 b). The general smallangle scattering characteristic already mentioned above, increases with energy. There exist a number of databases, most prominently from NIST [67]. They usually only provide IMFPs, and don’t give DIIMFPs and DCSs which are necessary for Monte Carlo simulations. This is the reason why we took the effort of implementing the above algorithms. It must be noted that there exist a number of analytic expressions for the IMFPs obtained through a fit to numerical calculations. As we have seen above, a simple extension of this expression to low energies below 40 eV, where the IMFPs calculated from different models can differ by factors of a few 100%, should only be taken with care.

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Attosecond Experiments on Plasmonic Nanostructures: Principles and Experiments by Johannes Schötz

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