The 2 oscillator circuits beneath are well suited for making use of crystal oscillators in collection or parallel mode: High-repetition-charge and superior-energy picosecond regenerative amplifier based upon 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 superior power passively mode-locked picosecond oscillator determin... https://nanobookmarking.com/story18873698/considerations-to-know-about-bulk-crystal-oscillator