The Ultimate Guide To Laser Crystal
The Ultimate Guide To Laser Crystal
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Laser crystals are optical crystals �?usually solitary crystals (monocrystalline optical products) �?which are applied as obtain media for reliable-condition lasers. In most cases, They're doped with possibly trivalent rare earth ions or transition metallic ions.
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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：
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。
A superior surface quality is naturally essential. Technical specs of floor flatness will often be better than . This can help to stay away from the two scattering losses and wavefront distortions which might degrade the laser's beam excellent. Furthermore, scratch and dig technical specs
亚稳态寿命也起着重要作用。较长的寿命允许更多的储能和实现粒子数反转的更高潜力，这对激光动作至关重要。
The host crystal is much more than just a way to fix the laser-Lively ions at sure positions in Place. A number of Homes in the host material are very important:
量子效率是发射光子数量与吸收光子数量的比率。高量子效率表明更大部分吸收能量被转化为激光光束，有助于提高激光的整体效率。
For quasi-3-level laser get media or simply a few-degree attain media, one generally has to limit the length to a worth and that is as well short for efficient pump absorption, as reabsorption consequences would otherwise spoil the performance. For aspect pumping, more things to consider arrive into Perform; besides efficient pump absorption, it is vital to get an acceptable spatial form on the attain profile.
Various crystalline elements are really different about their hardness as well as other Houses, which establish with which approaches And just how very easily they may website be Slice and polished with good quality.
GWU-Lasertechnik has much more than 30 decades of working experience in distributing laser crystals. Pick GWU to take advantage of our large knowledge As well as in-industry working experience!
With that concept, one doesn't have to have yet another saturable absorber crystal, to make sure that a single could make far more compact Q-switched laser setups with decreased inside parasitic losses. Nonetheless, undesired side effects may also come about, such as obtaining undesirable valence states of your included ions or Vitality transfers.
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。