The 2 oscillator circuits under are well suited for employing crystal oscillators in collection or parallel method: High-repetition-fee and superior-electrical power 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 depen... https://altbookmark.com/story20588798/the-smart-trick-of-bulk-crystal-oscillator-that-nobody-is-discussing