Q-Swithing Solid Laser With Corner-Cube Resonator

Because the mirror in the laser resonator is imbalaced, so the output of the laser is unstable and it will effect the implemented result of using the laser device in practice. On the contrary solid-state laser of corner-cube resonator has overcomed the defects in the laser resonator which is easy to become imbalance easily,even in the hostile environment, such as strong shock and changes in the tempreture, it also can realize the output stably. It improves the reliability, maintainability and the using efficiency of the laser device greatly. It broaden the implemented area of the laser material processing extremely and promote this technology to develop quickly.This thesis analyse the polarization feature, overcoming the imbalace feature and the mode field feature of the corner-cube resonator by using the geometry ray through setting up the light beam array.To recommend the Q-switched rate equation of the solid-state laser in corner-cube resonator and analyse the laser features under the Q-switched.Beginning with the energy level structure of Cr4+:YAG crystal, spectrum and saturated absorption features, it study how to select the crystal parameter.These experiment research the location of the Cr4+:YAG crystal, the comparative study compare the output energy,pulse width, flare outline and laser divergence angle of the corner-cube and the prism cavity. The experiment study the effect of the corner-cube plan rotation to the laser output energy and the impulse width.The output shows that corner-cube has a good stability It can have an expecting application in the extreme vibration, quick temperature changes and other adverse circumstances.