The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Powerful 90 fs pulses at a midinfrared wavelength of λ = 3.9 µm drive a femtosecond hard x-ray source (Cu Kα: ℏω = 8.05 keV). Up to 108 X-ray photons/pulse are generated which is twice as many as with 800 nm drivers of a 100 times higher peak intensity.
The spectral response of metallic nanoparticles is dominated by the Localized Surface Plasmon Resonance (LSPR). While its spectral position is well understood, measuring and interpreting the LSPR linewidth evolution with shape and size is still an important issue for both fundamental investigations and applications. It needs the use of single particle experiments on nanoparticles with a well controlled...
Laser-induced breakdown spectroscopy (LIBS) has been applied to analyze trace elements contained in fresh vegetables. A quadrupled Nd:YAG laser is used in the experiments for ablation. Analyzed samples come from local markets and represent frequently consumed vegetables. For a typical root vegetable, such as potato, spectral analysis of the plasma emission reveals more than 400 lines emitted by 27...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.