研究了三种不同粘滞性溶剂中泵浦光偏振方向对同步泵浦染料激光脉宽的影响。实验发现,溶剂的粘滞性越大,泵浦光偏振方向所导致的影响越大,泵浦光偏振方向与激光器允许偏振方向一致时,粘滞性大,激光脉宽更窄。

We have found that the influence of polarizing direction of pumping pulse on the pulse width of synchronously pumped and mode-locked dye laser light in three solvents with different viscosities is proportional to the viscosities of the dye solvents. When’ the polarizing direction of the pumping pulse is parallel with the permitted direction of the dye laser, the laser pulse width would be shorter as the viscosity of the dye solvent is higher.