The two oscillator circuits beneath are ideal for utilizing crystal oscillators in sequence or parallel manner: Substantial-repetition-rate and superior-power 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 high energy passively mode-locked picosecond oscillator determined by... https://socialmphl.com/story20916548/an-unbiased-view-of-bulk-crystal-oscillator