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What is the internal structure of the ND:YAG laser? (193 visualizações)
What is the internal structure of the ND:YAG laser? Postado em 01/03/2019 11:41 por by56014904
The laser cavity is composed of laser working substance, pump source, concentrating cavity, etc.; the innermost concentrating ceramic core, YAG gang and lamp pass through the middle, and the volume change has water holes, forming a circulating waterway! The outermost is equivalent to a shell!
ND: internal structure of YAG laser cavity
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What is the use of YAG in Nd:YAG laser crystals, and what is YAG crystal?
A: In fact, YAG is a medium. If there is no YAG medium, then how does ND exist? Nd is a rare earth lanthanum. When it is doped in a certain concentration of garnet crystal, it becomes a crystal that can be amplified by laser irradiation. Nd.YAG is a simplified name in English, from (Neodymium-dopedYttriumAluminiumGarnet; Nd:Y3Al5O12) or Chinese called yttrium aluminum garnet crystal, yttrium aluminum garnet crystal is its activating substance, the Nd atom content in the body crystal is 0.6~ 1.1% is a solid-state laser that can excite a pulsed laser or a continuous laser. The emitted laser has an infrared wavelength of 1.064μm.
And Yttrium Aluminate Garnet, YAG, that is, aluminum garnet; this crystal can be used as a gemstone alone, but only some of it is bent; when it is doped, a wholesale LiF optics can be formed, such as YAG: Nd is a laser material; It is also possible to incorporate other impurities such as YAG: Ce, which is a happy fluorescent material and is currently widely used for LED white phosphors.



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What is the internal structure of the ND:YAG laser? (193 previews)
 
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