Russek, U.A., Aden, M., Pöhler, J., Palmen, A., Staub, H.
Laser beam welding of thermoplastics offers process technical advantages due to contact-less energy input, which is spatially (
Modelling of chemical processes in the dynamic expansion for pulsed laser deposition (2002)
Kreutz, E.W., Aden, M., Niessen, M., Husmann, A., Poprawe, R.
The material transfer from the target to the substrate involved in pulsed laser deposition is described with respect to chemical reactions in the processing gas atmosphere in order to derive the...
Wesner, D.A., Aden, M., Gottmann, J., Husmann, A., Kreutz, E.W.
Holes in polypropylene (PP) and polymethylmethacrylate (PMMA) plates, 0.5 mm in thickness were drilled by irradiation with up to 3000 pulses of KrF-excimer laser radiation at fluences per pulse in...
Model of laser-induced Material Removal of Polymers and Gasdynamics (1998)
Aden, M., Wesner, D.A., Kreutz, E.W., Poprawe, R.
A model is build up to describe the effects of the laser-induced material removal of polymers and the dynamics of the volatile species. The heating and removal are described by the volume- heating of...
Influence of the laser radiation on the plasma dynamics during arc-laser welding (1998)
Aden, M., Kreutz, E.W., Hausen, O., Poprawe, R.
The temperature distribution of the plasma plume occuring during TIG-arc- and Nd:YAGlaser- arc (hybrid) welding of steel (St 52) and aluminum alloy (AlMg3) is measured using emission spectroscopy....
Pump and probe technique on excimer laser-induced plasmas (1997)
Aden, M., Alunovic, M., Kreutz, E.W.
The electron density and the geometry of an expanding vapor/plasma are investigated by pump and probe beam technique during the material removal of an Al203 target with pulsed excimer laser...
Investigation of physical processes in PLD of ceramics by excimer laser radiation (1997)
Kreutz, E.W., Alunovic, M., Aden, M., Nießen, M.
A probe beam deflection technique is applied to investigate the vapour/plasma generated during material removal by laser radiation. The electron density and geometry of the expanding vapour/plasma...
Aden, M., Kreutz, E.W., Schlüter, H., Wissenbach, K.
For the removal of material with pulsed laser radiation the distance travelled by the shock or blast wave and the amount of energy released in the plasma state due to the absorption of laser...
Optical and particle properties of PLD vapour/plasmas of ceramics (1996)
Alunovic, M., Stamm, H., Aden, M., Kreutz, E.W.
The electron density and the absorption coefficient of the laser induced vapour/plasma as well as the geornetry of the expanding plasma are investigated by the beam deflection. The electron density...
The laser-induced material removal and plasma formation during pulsed laser deposition (PLD) with CO2 and excimer laser radiation are simulated. The weight loss of the target is determined by the...
Weight loss of alumina and zirconia targets during PLD (1995)
Aden, M., Kreutz, E.W., Voss, A.
The weight loss due to laser-induced vaporization of aluminia and zirconia is investigated both theoretically and experimentally. To calculate the weight loss of the target under laser irradiation a...
Kogel-Hollacher, M., Stamm, H., Niessen, M., Alunovic, M., Treusch, H.G., Aden, M., ...
The electron density, the plasma front velocity and the geometry of an expanding vapour/plasma are investigated during the material removal of Al2O3 with pulsed CO2 laser radiation. The results...
Investigation of material removal in pulsed-laser deposition of ceramics (1994)
Kreutz, E.W., Aden, M., Alunovic, M., Voss, A.
The material removal of the ceramics alumina and zirconia by CO2 and excimer laser radiation is investigated both experimentally and theoretically. The experimental investigations include...
Description of transfer and deposition during PLD of thin ceramic films (1994)
Alunovic, M., Kreutz, E.W., Voss, A., Aden, M., Sung, H.
Thin films of ceramic materials (Al2O3ZrO2) for technical applications are deposited at different laser parameters (wavelength, fluence, mode of operation) and processing variables (processing gas...
Laser-induced plasma formation during pulsed laser deposition (1993)
Aden, M., Kreutz, E.W., Voss, A.
The ablation of Al203 by C02 laser radiation is investigated both theoretically and experimentally. The model connects the laser-induced phase transition from condensed to vaporized state of the...
Aden, M., Alunovic, M., Voss, A., Sung, H., Kreutz, E.W., Brcka, J.
Thin films of ceramic materials (Al2O3, ZrO2, SiC) for technical applications are deposited at different laser parameters (wavelength, fluence, mode of operation) and processing variables (processing...
Laser-induced vaporization of a metal surface (1992)
Aden, M., Beyer, E., Kunze, H., Herziger, G.
The laser-induced vaporization process of a metallic surface is incorporated into a simple model which describes the phase transformation and the expansion of the metal vapour against the ambient air...
Laser-induced vaporisation of metal as a Riemann problem. (1990)
Aden, M., Beyer, E., Herziger, G.
The process of vaporisation of a light-absorbing metal under laser irradiation will be investigated from a theoretical point of view. The tools are the Euler equations, the stationary heat-flow...