The results indicate that this method not only can match completely group velocities among three waves, but also can achieve maximal parametric bandwidth for continuous tunable femtosecond BBO OPA.

• 结果表明,利用该方法不仅能够完全补偿飞秒BBO光参量放大在连续调谐时三波的群速失配,而且能够实现最大的参量带宽。