Crystal oscillators are loosely divided with the frequency they function at and whether or not they are basic oscillators—work with the frequency marked around the can or at even multiples of that (overtone oscillators). Substantial-repetition-level and higher-electric power picosecond regenerative amplifier based on an individual bulk Nd:GdVO4 crystal 的很多特性，如温度稳定性，老化稳... https://bookmarkshq.com/story20493514/not-known-details-about-bulk-crystal-oscillator