Theoretical study on passively Q-switched intracavity frequency-doubled diamond Raman lasers

摘要

The space-dependent rate equations of passively Q-switched intracavity frequency-doubled diamond Raman lasers arededuced for the first time. The rate equations are normalized and solved numerically to investigate the influences of thenormalized parameters (the normalized Raman gain coefficient, the normalized initial population inversion density, thenormalized frequency doubling factor, saturable absorber parameter, the coupling rate of the pump beam and fundamentalbeam in the laser medium, the normalized loss factor, and etc) on the laser pulse parameters (pulse energy, peak power andpulse width). The new theories and numerical results will help design passively Q-switched intracavity frequency-doubleddiamond Raman lasers of high performance.