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In this paper we study the resonant coupling of fast magnetosonic waves to the Alfven or slow magnetosonic waves in general geometries. If the magnetic field lines are straight and the Alfven… Continue Reading
Excited state absorption spectra were measured for Cr2+:ZnSe in the spectral range between 1.2 and 3 µm at room temperature. Stimulated emission band was observed from 2 to 3 µm with peak cross… Continue Reading
The head-on collision between a normal shock wave, propagating into a quiescent gas, and a rubber-supported plate was investigated theoretically and experimentally. In the theoretical part, a… Continue Reading
The equations governing the flow resulting from a head-on collision between a normal shock wave and a rubber-supported plate are listed. The non-dimensional parameters that may affect the resulting… Continue Reading
We consider the stability of axially unbounded cylindrical flows that contain a toroidal magnetic background field with the same radial profile as their azimuthal velocity. For ideal fluids,… Continue Reading
A Cr2+:ZnSe laser pumped by a 1.57 μm erbium fibre amplifier is presented. In this compact setup an output power of 230 mW was obtained.
A simple model for laser ablation plasma plume expansion in a background gas is presented. The expanding plume is approximated by a semi-ellipsoidal shell of infinitesimal thickness and with a mass… Continue Reading
Summary from only given. Broadly tunable and efficient laser operation of Cr/sup 2+/:ZnSe have been reported for different pump sources. For many applications, e.g. medical use or trace gas analysis,… Continue Reading
The governing equations describing the flow field which results when a dust-gas suspension passes through a normal shock wave were nondimensionalized. The nondimensionalization resulted in a set of… Continue Reading
Differentially rotating disks under the effect of axial magnetic field are prone to a nonlinear explosive magnetorotational instability (EMRI). The dynamic equations that govern the temporal… Continue Reading