Crystal oscillators are loosely divided with the frequency they operate at and whether they are basic oscillators—get the job done at the frequency marked about the can or at even multiples of that (overtone oscillators). We existing a Nd:GdVO4 bulk crystal oscillator with >70 WTEM00 laser output according to the https://mysocialport.com/story4392668/a-secret-weapon-for-bulk-crystal-oscillator