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Transition Radiation X-Ray Laser Based on Stimulated Processes at the Boundary Between Two Dielectric Media

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2 Author(s)
Okoye, K.E. ; Ritsumeikan Univ., Kusatsu, Japan ; Yamada, Hironari

This paper analyzes a model of a transition radiation laser based on stimulated emission induced by relativistic electrons crossing the boundary between two media of different dielectric properties. Interaction between the incident radiation and the electrons in this boundary region is taken into account. Phenomenological quantum electrodynamics is applied to derive analytical expressions for stimulated emission and absorption probabilities. Analogs of Einstein's coefficients for the transition processes have also been derived and discussed. It is shown that stimulated emission is greater than absorption. The gain is then calculated.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:46 ,  Issue: 9 )