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Laser energy distribution in the transient regime
ILSC 2013: Proceedings of the International Laser Safety Conference, 2013The period of operation immediately following laser switch-on, while a working population inversion is established and thermal gradients are both created and dissipated, may be defined as the transient regime. During this period the distribution of energy within a laser beam is typically in a state of flux. Depending on the device, a steady-state laser
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Bénard-von Kármán instability: transient and forced regimes
Journal of Fluid Mechanics, 1987The wake of a circular cylinder is investigated near the oscillation threshold by means of a laser probe. Above the threshold the transient regime is studied and described by a Stuart-Landau law (already found to be relevant in explaining free-oscillating regimes). Below the critical point, impulse and resonant regimes are examined, so the coefficients
Provansal, M., Mathis, C., Boyer, L.
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Diffusion in the transient dynamic response regime
Physics Letters A, 1980Abstract An ensemble Monte Carlo approach is used to calculate the diffusion of a pulse of carriers in GaAs. On short-time scales, comparable to the relaxation times, the non-stationary diffusion process is non-markovian in space and appears not to obey a stationary-state definition of the Einstein relation.
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PHOTOINDUCED NONLINEAR OCTUPOLAR POLARIZATION: TRANSIENT AND PERMANENT REGIMES
Journal of Nonlinear Optical Physics & Materials, 1996An original poling method using purely optical means and based on a dual-frequency interference process is presented. We show that the coherent superposition of two beams at fundamental and second-harmonic frequencies results in a polar field with an irreducible rotational spectrum containing both a vector and an octupolar component.
CÉLINE FIORINI +4 more
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A Causal Bifurcation Sequence Producing a Chaotic Transient Regime
International Journal of Bifurcation and Chaos, 1997An organized sequence of codimension-1 bifurcations is investigated. This bifurcation sequence is shown to be generic for a class of noninvertible scalar maps containing symmetry, and is believed to occur commonly in both discrete and continuous dynamical systems. Particular dynamics are specified initially, in which chaotic sets with symmetry evolve
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Generalized hydrodynamics in the transient regime and irreversible thermodynamics
Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences, 2004In this article the thermodynamically consistent formulation of generalized hydrodynamics is reviewed and applications to shock-wave structures, ultrasonic wave absorption and dispersion and microchannel flows of the generalized hydrodynamics so formulated are discussed.
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Pump-coupled masers: Transient regime
Physical Review A, 1991, Bergou, , Hillery
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