The smart Trick of Laser Crystal That No One is Discussing
The smart Trick of Laser Crystal That No One is Discussing
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These tables contain only the commonest host crystals; numerous Some others exist, that happen to be much less frequently utilized.
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激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
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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 significant area high quality is naturally critical. Specs of floor flatness are frequently a lot better than . This allows to prevent the two scattering losses and wavefront distortions which could degrade the laser's beam high-quality. In addition, scratch and dig specifications
g. a skinny disk. As Yet another case in point, Q-switched lasers attain an increased inhabitants density inside the upper laser stage and so are therefore a lot more sensitive to quenching consequences and Power transfer processes; for that reason, a decreased doping density is commonly appropriate for these gadgets. For high-electrical power lasers, reduce doping densities in many cases are utilized to Restrict the density of warmth technology, although thin-disk lasers perform greatest with hugely doped crystals. Quite a few laser merchandise tend not to reach the full performance opportunity mainly because these kinds of specifics haven't been appropriately worked out.
Laser modeling and simulation can be employed to reliably establish the the best possible crystal dimensions, doping density And perhaps values of added parameters.
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All those surfaces which happen to be handed with the laser beam are Usually possibly oriented at Brewster's angle or have an anti-reflection coating.
Distinct crystalline products are really unique relating to their hardness and other Attributes, which identify with which techniques And Laser Crystal the way quickly they are often Reduce and polished with top quality.
For numerous explanations, composite crystals have gotten well known. These have a spatially varying chemical composition and will be designed with special styles.
With That idea, a person does not need to have yet another saturable absorber crystal, so that 1 could make far more compact Q-switched laser setups with decreased internal parasitic losses. However, undesirable Uncomfortable side effects could also come about, for example obtaining unwelcome valence states with the involved ions or energy 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。