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Ultrashort pulses are capable of processing practically any material with a negligible heat affected zone [1]. For productive industrial applications a pulse duration of about 5 ps is a well established compromise between being faster than the electron-phonon interaction time of the material and being long enough to suppress detrimental effects such as nonlinear interaction with the ablated plasma...
After years of investigations, the development of diode-laser pumped glass amplifiers for the POLARIS-laser system at the Friedrich-Schiller University of Jena reached the 10-J level of daily operation. Pulses originating from a commercial fs-titanium:sapphire oscillator are amplified in the first stage Al, stretched to a ns-pulse duration in a 4-pass grating stretcher and further amplified in three...
Dilute-nitride-based edge-emitting Fabry-Perot lasers with record performances have been used to build un-cooled optical transceiver modules. The paper presents and analyses some of the achieved performances starting from chip level to optical link transmission experiments. The studies, performed within the EU-FP6 project fast access, prove that the dilute-nitride GaInAsN lasers are a good solution...
The data needs of current and future PetaScale applications have increased over the last half decade to the extent that appropriate data management has become a crucial requirement. This concerns not only the storage of data produced by the new class of PetaScale applications, but also the data exchanges needed for coupling applications with concurrent analysis, online data visualization for validation,...
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