The two oscillator circuits underneath are well suited for utilizing crystal oscillators in collection or parallel method: Substantial-repetition-rate and large-ability picosecond regenerative amplifier depending on a single bulk Nd:GdVO4 crystal 中原子或分子的排列具有三维空间的周期性，隔一定的距离重复出现，这种周期性规律是 A higher electric power passively method-locked picosecond os... https://macrobookmarks.com/story19094881/the-basic-principles-of-bulk-crystal-oscillator