Michel, J., Orsi, M., Essex, J.W.
Coarse-grain models are becoming an increasingly important tool in computer simulations of a wide variety of molecular processes. In many instances it is, however, desirable to describe key portions...
Verfahren zum Schneiden von zu fuegenden Bauteilen mit Laserstrahlung (2007)
Schulz, W., Michel, J., Abels, P., Alber, G., Neubert, J., Behr, F., ...
WO 200272304 A UPAB: 20021022 NOVELTY - The cutting method has a computer-controlled handling system for the laser cutting beam, for guiding it along a defined cutting path corresponding to a curved...
HEp-2 cell preparation for automated analysis of autoantibodies (2007)
Michel, J., Hiemann, R., Hilger, N., Kaltschmidt, K., Weigert, M., Sack, U., ...
Automatic analysis of immunofluorescence patterns of HEp-2 cells (2007)
Hiemann, R., Hilger, N., Michel, J., Nitschke, J., Bohm, A., Anderer, U., ...
Michel, J., Verdonk, M.L., Essex, J.W.
A methodology for the calculation of the free energy difference between a pair of molecules of arbitrary topology is proposed. The protocol relies on a dual-topology paradigm, a softening of the...
Twisted invariant theory for reflection groups (2006)
Bonnafé, C., Lehrer, G. I., Michel, J.
Let $G$ be a finite reflection group acting in a complex vector space $V = \mathbb{C}^{r}$, whose coordinate ring will be denoted by $S$. Any element $\gamma \in \mathrm{GL}(V)$ which normalises $G$...
Endomorphisms of Deligne-Lusztig varieties (2006)
We study some conjectures on the endomorphism algebras of the cohomology of Deligne-Lusztig varieties which are a refinement of those of [BMi].
Regaard, B., Moalem, A., Michel, J., Abels, P., Kaierle, S., Schulz, W.
WO 2006094488 A1 UPAB: 20061121 NOVELTY - A method for setting out the phase limits/boundaries of a workpiece requires, during processing, a processing zone (13) comprising an incidence hit location...
Approximate model for laser trepanning with microsecond Nd:YAG laser radiation (2005)
Willach, J., Michel, J., Horn, A., Schulz, W., Kreutz, E.W., Poprawe, R.
Blanchet, V., Jallot, E., Michel, J., Wortham, L., Laurent-Maquin, D., Balossier, G.
Short-term physico-chemical reactions at the interface between bioactive glass particles and biological fluids are studied and we focus our attention on the measurements of O/Si atomic ratio. The...
Blanchet, V., Jallot, E., Michel, J., Wortham, L., Laurent-Maquin, D., Balossier, G.
Short-term physico-chemical reactions at the interface between bioactive glass particles and biological fluids are studied and we focus our attention on the measurements of O/Si atomic ratio. The...
Blanchet, V., Jallot, E., Michel, J., Wortham, L., Laurent-Maquin, D., Balossier, G.
Short-term physico-chemical reactions at the interface between bioactive glass particles and biological fluids are studied and we focus our attention on the measurements of O/Si atomic ratio. The...
Blanchet, V., Jallot, E., Michel, J., Wortham, L., Laurent-Maquin, D., Balossier, G.
Short-term physico-chemical reactions at the interface between bioactive glass particles and biological fluids are studied and we focus our attention on the measurements of O/Si atomic ratio. The...
Urgencias respiratorias (2004)
Martínez, E., Martínez, M., Romero, P., Manterola, A., Michel, J., Guelbenzu, J.J., ...
Urgencias respiratorias (2004)
Martínez, E., Martínez, M., Romero, P., Manterola, A., Michel, J., Guelbenzu, J.J., ...
Blanchet, V., Jallot, E., Michel, J., Wortham, L., Laurent-Maquin, D., Balossier, G.
Short-term physico-chemical reactions at the interface between bioactive glass particles and biological fluids are studied and we focus our attention on the measurements of O/Si atomic ratio. The...
Blanchet, V., Jallot, E., Michel, J., Wortham, L., Laurent-Maquin, D., Balossier, G.
Short-term physico-chemical reactions at the interface between bioactive glass particles and biological fluids are studied and we focus our attention on the measurements of O/Si atomic ratio. The...
Modelling and dynamical simulation of laser beam welding (2004)
Schulz, W., Michel, J., Eppelt, U., Maier, C.
Laser beam welding is a thermal joining process widely used in welding of tailored blanks and contour welding applications. However, there are gaps in understanding the dynamics of the process,...
Approximate model for laser trepanning with microsecond Nd:YAG laser radiation (2004)
Willach, J., Michel, J., Horn, A., Schulz, W., Kreutz, E.W., Poprawe, R.
Trepanning of 200 µm cooling holes in 2 - 4 mm thick CMSX-4 turbine material is done by a lamp-pumped Nd:YAG slab laser with pulse durations of 100 - 500 µs and pulse energies up to 1 J determining...
Approximate model for laser welding (2004)
Michel, J., Pfeiffer, S., Schulz, W., Nießen, M., Kostrykin, V.
The industrial application of laser welding implies a reliable and efficient production process. In order to facilitate this, modeling and simulation is used to reveal the crucial points of the...
Short-time dynamics in laser material processing (2004)
Kostrykin, V., Schulz, W., Nießen, M., Michel, J.
Material processings with laser radiation as cutting, welding, and drilling are established industrial processes. Their main advantages compared to conventional methods are the flexibility,...
Modeling and simulation of process monitoring and control in laser cutting (2004)
Schulz, W., Kostrykin, V., Michel, J., Niessen, M.
Laser cutting at moderate conditions is well established in industries. Both, high cutting speed for efficient machining and low cutting speed during contour cutting change the dynamical properties...
Identification of dimension in phase space for cutting (2003)
Schulz, W., Eppelt, U., Heesen, H., Kostrykin, V., Michel, J., Niessen, M.
Laser cutting is an established separation process. Reliable machining at high productivity and quality as well as simplified machine operation are the actual goals in industries. This work describes...
Approximate model for laser welding (2003)
Michel, J., Pfeiffer, S., Schulz, W., Nießen, M., Kostrykin, V., Maier, C.
The industrial application of laser welding implies a reliable and efficient production process. Thus, modelling and simulation is used to reveal the crucial points of the welding process. The...
Willach, J., Kreutz, E.W., Michel, J., Nießen, M., Schulz, W., Poprawe, R.
Trepanning of 200µm holes in 2-5mm thick CMSX-4 sheets is done by laser radiation provided by a lamp-pumped Nd:YAG slab laser with pulse durations of 100-500µs. Pulse energies <1J determine the...
The space of unipotently supported class functions on a finite reductive group (2002)
Digne, F., Lehrer, G., Michel, J.
We determine the Lusztig restrictions on the space of class functions with a unipotent support on a finite reductive group. In particular we give a simple expression for the Lusztig restrictions of...
Quality assurance in laser-beam welding of heavy section steel sheet (2001)
Dahmen, M., Kaierle, S., Kapper, G., Michel, J., Schulz, W., Spielvogel, K., ...
New advances in process control for automotive laser applications (2001)
Kaierle, S., Abels, P., Kratzsch, C., Michel, J., Schulz, W., Poprawe, R.
By means of ISO 9000 and other by law enforced rules the manufacturing industry is forced to document and control the quality of their products. With the aim to improve the quality of the...
State of the art and new advances in process control for laser materials processing (2001)
Kaierle, S., Abels, P., Kapper, G., Kratzsch, C., Michel, J., Schulz, W., ...
In laser beam materials processing, the high demands on the quality of the produced parts can only be guaranteed by a continuous supervision of the manufacturing process and by control of specific...
Modelling, dynamical simulation and online monitoring in laser beam welding (2001)
Schulz, W., Michel, J., Niessen, M., Kostrykin, V., Abels, P., Kaierle, S.
Efficient and high quality processing requires identification of the underlying phenomena and on-line monitoring of the achieved performance. The reliability for prediction of the weld quality can be...
Coaxial process monitoring in heavy section laser beam welding (2001)
Kapper, G., Dahmen, M., Kaierle, S., Michel, J., Schulz, W., Spielvogel, K., ...
Energy Transfer Between Shallow Centers and RE Ion Core: Er3+ Ion in Silicon, (2000)
Gregorkiewicz, T., Thao, D.T.X., Langer, J.M., Bresler, M.S., Michel, J., ...
Microholes in zirconia coated Ni-superalloys for transpiration cooling of turbine blades (2000)
Horn, A., Weichenhain, R., Albrecht, S., Kreutz, E.W., Niessen, M., Michel, J., ...
Drillings in zirconia coated Ni-superalloys is done by melt extraction with pulsed laser radiation provided by a Nd:YAG slab laser with microsecond pulse duration. This laser system distinguishes...
Impurity effects in silicon implanted with rare-earth ions, (1999)
Emtsev, V., Emtsev Jr., V.V., Poloskin, D.S., Shek, E.I., Sobolev, N.A., Michel, J., ...
Oxygen and erbium related donor centers in Czochralski grown silicon implanted with erbium, (1999)
Emtsev, V., Emtsev Jr., V.V., Poloskin, D.S., Shek, E.I., Sobolev, N.A., Michel, J., ...
Rare earth impurities and impurity-related centers in silicon, (1999)
Emtsev, V., Emtsev Jr., V.V., Poloskin, D.S., Shek, E.I., Sobolev, N.A., Michel, J., ...
Energy Transfer Between Shallow Centers and RE Ion Core: Er3+ Ion in Silicon, (1999)
Gregorkiewicz, T., Thao, D.T.X., Langer, J.M., Bresler, M.S., Michel, J.
Excitation Mechanism of Er in Si Studied with a Free-electron Laser (1999)
Gregorkiewicz, T., Tsimperidis, I., Thao, D.T.X., Michel, J., ...
Dynamics of ripple formation and melt flow in laser beam cutting (1999)
Schulz, W., Kostrykin, V., Niessen, M., Michel, J., Petring, D., Kreutz, E.W., ...
The dynamical behaviour of the laser beam fusion cutting process of metals is investigated. Integral methods such as the variational formulation are applied to the partial differential equations for...
Thermophysical Algebraic Invariants from Infrared Imagery for Object Recognition (1997)
J. Michel, N. Nandhakumar, V. Velten
An important issue in developing a model-based vision system is the specification of features that are - (a) invariant to viewing and scene conditions, and also - (b) specific, i.e., the feature must...
Thermophysical Algebraic Invariants from Infrared Imagery for Object Recognition (1997)
J. Michel, N. Nandhakumar, V. Velten
An important issue in developing a model-based vision system is the specification of features that are - (a) invariant to viewing and scene conditions, and also - (b) specific, i.e., the feature must...
N. Nandhakumar, J. Michel, G. Tsihrintzis, V. Velten
We recently formulated a new approach for computing invariant features from infrared (IR) images. That approach is unique in the field since it considers not just surface reflection and surface...
N. Nandhakumar, J. Michel, G. Tsihrintzis, V. Velten
We recently formulated a new approach for computing invariant features from infrared (IR) images. That approach is unique in the field since it considers not just surface reflection and surface...
Cambon, O., Deleuze, M., Michel, J., Aubry, J., Goiffon, A., Philippot, E.
In many electronic applications, chemical etching process is used to manufacture the substrates. This method has been applied for long on quartz crystal blanks manufacturing for minor adjustments of...
Cambon, O., Deleuze, M., Michel, J., Aubry, J., Goiffon, A., Philippot, E.
In many electronic applications, chemical etching process is used to manufacture the substrates. This method has been applied for long on quartz crystal blanks manufacturing for minor adjustments of...
Cambon, O., Deleuze, M., Michel, J., Aubry, J., Goiffon, A., Philippot, E.
In many electronic applications, chemical etching process is used to manufacture the substrates. This method has been applied for long on quartz crystal blanks manufacturing for minor adjustments of...
Brenner, R, Michel, J, Nygård, E, Ødegaard, T, Smith, N A, ...
A novel technique for fast pulse-shaping using a slow amplifier at LHC (1992)
Bingefors, N, Bouvier, S, Gadomski, S, Hall, G, Høgh, T S, Jalocha, P, ...
State of the art on autonomous underwater vehicles, key technologies (1990)
Autonomous Underwater Vehicles, also called "free-swimming vehicles" are self propelled bodies, equipped with their own energy package and with no solid communication link with the surface. At the...
ACOUSTIC MODES IN Ga1-xAlxAs CRYSTALS AND RELATED SUPERLATTICES (1984)
Sapriel, J., Michel, J., Toledano, J., Vacher, R.
This is a parallel study of Brillouin and Raman scattering. The additional Raman modes in the superlattices can be interpreted as due to an acousto-optical interaction with phonons of different...
ACOUSTIC MODES IN Ga1-xAlxAs CRYSTALS AND RELATED SUPERLATTICES (1984)
Sapriel, J., Michel, J., Toledano, J., Vacher, R.
This is a parallel study of Brillouin and Raman scattering. The additional Raman modes in the superlattices can be interpreted as due to an acousto-optical interaction with phonons of different...
ACOUSTIC MODES IN Ga1-xAlxAs CRYSTALS AND RELATED SUPERLATTICES (1984)
Sapriel, J., Michel, J., Toledano, J., Vacher, R.
This is a parallel study of Brillouin and Raman scattering. The additional Raman modes in the superlattices can be interpreted as due