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Datenqualität leidet zumeist schon in der Entstehung der Daten und ihrer zugrunde liegenden Datenhaushalte. Datenqualität ist üblicherweise der letzte Bereich, der in Projekten berücksichtigt wird, wenn diese Projekte in Schwierigkeiten geraten. Daher ist es notwendig, Datenqualität in den verschiedenen Stadien eines Projektes strukturell zu verankern.
Datability? Brauchen wir neue Begriffe? Schon seit den 90er Jahren steht die Anwendbarkeit – fitness for use – im Mittelpunkt der Daten-/Informations-qualität. Auch der Schutz und verantwortungsvolle Umgang mit Daten wird seit Langem postuliert, scheint sich aber nicht flächendeckend durchgesetzt zu haben. Die Enthüllungen von ehemaligen Mitarbeitern verschiedener Nachrichtendienste führen uns dies...
We describe ultrafast laser material processing applications and differentiate these from conventional laser processing techniques. Ultrafast laser applications examples show the unique, compelling benefits to high value micro-fabrication challenges.
A first demonstration of fiber based CPA system with an active feedback loop utilizing spectral phase and intensity modulation to generate clean, high contrast, 10 dB pedestals suppression, transform limited pulse with parabolic intensity profile.
A Kagome hollow-core PCF with a record loss of 40dB/km is used to deliver 74μJ and 850fs laser pulse with little propagation pulse-distortion, and to compress a 105μJ laser pulse from 900fs to 300fs.
We will report the newest generation of fiber-optic femtosecond lasers capable of producing more than 50 µJ per pulse in a compact, robust form factor suitable for immediate deployment into industrial workstations. We will present performance and reliability data for our 1.55 µm wavelength, high energy (>50 µJ per pulse) fiber based femtosecond laser systems. Furthermore, we will display proof-of-principle...
We quantify machining rate dependence on pulse duration for Nitinol shape memory alloy near the critical pulse duration for athermal ablation. At fluence of 17 J/cm2, we show critical pulse duration is near 2.5 ps.
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