Nonlinear Crystal for Dummies
Nonlinear Crystal for Dummies
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Unique crystalline elements are quite different regarding their hardness as well as other Houses, which figure out with which approaches and how very easily they may be cut and polished with good quality.
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 crystal is considerably more than simply a method to repair the laser-Lively ions at certain positions in space. Several Qualities of the host materials are very important:
激光晶体由发光中心和基质晶体两部分组成。大部分激光晶体的发光中心由激活离子构成，激活离子部分取代基质晶体中的阳离子形成掺杂型激光晶体。激活离子成为基质晶体组分的一部分时，则构成自激活激光晶体。
The maximum doable doping concentration can rely strongly around the host product and its fabrication approach.
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A superior hurt threshold in terms of pulse fluence or peak depth can be critical for high-Strength 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：
Which geometry, dopant and doping focus from the achieve medium are most useful depend on many things. The available pump supply (form of laser diode or lamp) plus the envisaged pumping arrangement are very important components, but the material itself also has some influence. As an example, titanium–sapphire lasers must be pumped with substantial intensities, for which the form of a transversely cooled rod, operated with relatively tiny pump and laser beam diameter, is much more acceptable than e.
These tables have only the commonest host crystals; quite a few Other people exist, which happen to be a lot less usually applied.
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Some laser crystal components happen to be shown the place some saturable absorber substance is incorporated for passive Q switching of the laser.
For many causes, composite crystals are getting to be common. These Possess a here spatially various chemical composition and can be produced with Particular styles.
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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It is apparent that distinct programs bring on very diverse prerequisites on laser obtain media. This is why, a wide range of different crystals are utilised, and building the correct alternative is important for constructing lasers with optimum general performance.
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。