Top Laser Crystal Secrets
Top Laser Crystal Secrets
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These tables include only the most common host crystals; quite a few Other people exist, which are less regularly utilized.
These ions allow the crystal to amplify light within the laser wavelength by using stimulated emission, when Electricity is provided to the crystal by using absorption of pump gentle (�?optical pumping
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晶体的光学质量对激光器的有效运行至关重要。晶体中的缺陷或杂质可能导致光散射、吸收甚至损坏晶体。高光学质量确保了稳定和高质量的激光束。
活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。
g. a thin disk. As A further example, Q-switched lasers achieve an increased inhabitants density in the upper laser level and they are therefore much more sensitive to quenching outcomes and Electrical power transfer procedures; consequently, a lower doping density is usually suitable for these equipment. For top-power lasers, lower doping densities tend to be accustomed to Restrict the density of warmth era, While thin-disk lasers perform greatest with hugely doped crystals. Many laser products never get to the complete functionality probable simply because such particulars have not been effectively labored out.
激光晶体的效率在很大程度上依赖于某些属性，这些属性不仅限于其基本组成。这些特性决定了产生的激光光束的质量和随后的应用。
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-three-stage laser obtain media or even 3-amount acquire media, one generally should Restrict the size to a worth that is way too brief for economical pump absorption, as reabsorption results would in any other case spoil the general performance. For side pumping, added considerations arrive into Engage in; Other than effective pump absorption, it is necessary to acquire an acceptable spatial condition of your acquire profile.
Various crystalline materials are quite distinctive relating to their hardness along Laser Crystal with other Homes, which figure out with which approaches and how very easily they can be Slash and polished with top quality.
For a variety of good reasons, composite crystals have become well-known. These Possess a spatially different chemical composition and may be made with Exclusive shapes.
With that concept, 1 doesn't require an additional saturable absorber crystal, so that a person may well make additional compact Q-switched laser setups with decrease internal parasitic losses. However, undesirable Unintended effects could also arise, like getting undesirable valence states with the concerned ions or Electrical power transfers.
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。