Safety enclosures for laser cells (1998)
Dahmen, M., Alunovic, M., Kreutz, E.W., Schreiber, P.
During processing with laser radiation the operator as well as the environment in the vicinity of the laser machine has to be protected against primary and secondary radiation emitted by the process....
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...
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...
Alunovic, M., Backes, G., Kreutz, E.W., Scheller, D., Schreiber, P.
On the fitness of screening materials in the work areas Nd: YAG and diode lasers. Laser radiation can harm both the user and the environment in the event of malfunction if it is not screened by...
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...
Laser radiation. A tool for generation of defined thin film properties for application (1995)
Kreutz, E.W., Alunovic, M., Klotzbücher, T., Mertin, M., Wesner, D.A., Pfleging, W.
Pulsed laser deposition as a method of physical vapour deposition suitable for the deposition of thin films with complex structures and compositions is briefly reviewed. Excimer, Nd:YAG and CO2 laser...
Electron and laser radiation as sources of zirconia film deposition (1995)
Kreutz, E.W., Lemmer, O., Wesner, D.A., Alunovic, M., Erkens, G., Leyendecker, F., ...
The deposition of zirconia films by electron and laser radiation on steel substrates was investigated as a function of beam parameters and processing variables. The type, the number and the angular...
Degradation of guarding materials for a CO2 laser cell (1995)
Alunovic, M., Kramer, T., Kreutz, E.W., Schreiber, P.
The results of downgraded laser guards are shown in diagrams of removal depth as a function of processing time and laser intensity. Capability lists show the phenomenal of each guard material in C02...
PLD of thin films for applications (1994)
Voss, A., Pfleging, W., Alunovic, M., Kreutz, E.W.
Thin films are widely used in a variety of applications either as structural overcoats or as functional coatings. Pulsed laser deposition (PLD) shows various advantageous properties for the...
Kreutz, E.W., Alunovic, M., Voss, A., Pfleging, W., Sung, H., Wesner, D.A.
Single-component films of cerammic materials (Al2O3, ZrO2, BN) as well as multi-component films and controllably inhomogeneous films (ZrO2, Ti) were investigated. The deposition was performed using...
Investigation of plasma expansion in the PLD process by means of an electrical probe (1994)
Brcka, J., Alunovic, M., Voss, A., Kreutz, E.W.
The technique of electrical probe measurements has been used as a tool for the investigation of the dynamic properties of ions in the plasma plume during the removal of material from from an Al203...
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...
Time-resolved diagnosis of processes in PLD of ceramics (1993)
Voss, A., Kreutz, E.W., Funken, J., Alunovic, M., Sung, H.
The material transfer of ceramics (Alsub2Osub3, ZrOsub3) in pulsed laser deposition (PLD) is studied as a function of pulsed CO2 laser radiation parameters and processing variables. Timeresolved...
Laser induced plasma - a source of control of the properties of thin films (1993)
Kreutz, E.W., Voss, A., Alunovic, M., Funken, J., Sung, H.
The temporal and spatial properties of laser-induced vapour and/or plasma involved in thin film deposition were investigated as a function of laser parameters (wavelength, power density distribution)...
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...
Removal and transfer of material in laser-assisted physical vapour deposition of ceramics (1992)
Voss, A., Funken, J., Alunovic, M., Sung, H., Kreutz, E.W.
The removal and transfer of ceramic target materials in laserassisted physical vapour deposition are investigated as a function of laser parameters and processing variables. Removal was measured by a...
LPVD - fundamentals of material removal and transfer (1992)
Alunovic, M., Funken, J., Kreutz, E.W., Sung, H., Voss, A.
The removal and the transfer of target materials, as the most important, physical processes in LPVD highly dominating the thin film formation on substrates, are investigated as a function of laser...
Characterization and applications of PLD oxide ceramic films (1992)
Alunovic, M., Funken, J., Kreutz, E.W., Sung, H., Voss, A., Erkens, G., ...
The pulse laser deposition (PLD) exhibits various consecutive processes (1,2) separated in space and time such as the energy coupling into the target material, the removal of the material from the...
Comparison of high power Nd-YAG and CO2-lasers in materials processing. (1990)
Alunovic, M., Herziger, G., Treusch, H.G.
First results are presented in welding, cutting and heat treatment with a Nd:YAG laser at an average output power of 1 kW. These results are compared to those of CO2-lasers. In deep penetration...