By tilting a pump beam quickly, a fast tuning optical parametric oscillator (OPO) was realized. The widely tunable spectral range of the OPO has been obtained by a piece of type I BBO crystal.

• 介绍了一种新的光波长快速调谐光参量振荡器，通过快速改变泵浦光与光参量振荡器中非线性光学晶体的夹角，实现光参量振荡器的波长精确和快速调谐，并用类BBO晶体完成了宽调谐演示实验。