Laser modeling and simulation can be utilized to reliably figure out the optimum crystal Proportions, doping density And maybe values of further parameters.
人造红宝石激光晶体是首次实现激光输出的材料。可用焰熔法、提拉法或助熔剂法生产单晶。用提拉法容易获得大尺寸优质晶体。
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions in addition to the upper-point out lifetime.
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For quasi-3-stage laser get media or perhaps a few-level get media, 1 typically needs to limit the size to a price which happens to be as well limited for economical pump absorption, as reabsorption effects would or else spoil the effectiveness. For facet pumping, supplemental considerations come into Perform; Apart from economical pump absorption, it is important to acquire a suitable spatial shape of your attain profile.
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A high harm threshold regarding pulse fluence or peak intensity may be crucial for top-Electrical power amplifiers.
作为工业上使用较多的都是高掺钇铝石榴石,也就是说掺入不同的元素来达到不同的效果;作为工业激光,关注以下性能:
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These tables comprise only the commonest host crystals; several Many others exist, which happen to be fewer usually employed.
The most typical laser-active exceptional earth ions and host media together with some regular emission wavelengths are proven in the subsequent desk:
A couple of laser crystal supplies happen to be demonstrated the place some saturable absorber materials is incorporated for passive Q switching of a laser.
For numerous factors, composite crystals are getting to be popular. These Have got a spatially varying chemical composition and will be built with Exclusive shapes.
There may be an array of crystalline media, that may be grouped according to big atomic constituents and crystalline structures. Some vital groups of crystals are:
With that concept, one would not need an additional saturable absorber crystal, so that one may well make much more compact Q-switched laser setups with decrease internal parasitic losses. Even so, unwanted website side effects may additionally happen, like getting undesired valence states of your concerned ions or Vitality transfers.
GWU features all frequent laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG etc.) using a broad assortment of specs. Aside from the very well-proven supplies, progressive crystals with exceptional Homes like Yb:CALGO can open new horizons for demanding laser applications. It doesn't matter regardless of whether particular person pieces for R & D uses are expected or cost-economical quantities in tiny, medium or significant batches with in-time supply for that output line are desired: GWU’s focused provider helps to discover the finest core components in your application.
Laser crystals are optical crystals �?ordinarily solitary crystals (monocrystalline optical supplies) �?that are utilized as obtain media for solid-condition lasers. Most often, They're doped with either trivalent rare earth ions or transition metal ions.
激光晶体(laser crystal),可将外界提供的能量通过光学谐振腔转化为在空间和时间上相干的具有高度平行性和单色性激光的晶体材料。是晶体激光器的工作物质。
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