INSTABILITIES IN DOPPLER BROADENED OPTICALLY PUMPED FAR-INFRARED LASERSReportar como inadecuado




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Abstract : We study the dynamic behaviour of a coherently pumped single-mode unidirectional ring laser with an active medium of Doppler broadened three-level atoms. Our formulation is based on a set of 9N+1 real equations of the plane-wave mean-field Maxwell-Bloch type N is the number of velocity groups of molecules considered. This model predicts, for a parameter range of the type explored in the experiments by Weiss and Brock Phys. Rev. Lett. 57 1986 2804, a behaviour that reproduces most of their main experimental features. These include the instability pump threshold and the sequence of instabilities ocurring on resonator tuning and on increasing pump strength.





Autor: F. Laguarta J. Pujol R. Vilaseca R. Corbalan

Fuente: https://hal.archives-ouvertes.fr/



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