Laser Crystal No Further a Mystery
Laser Crystal No Further a Mystery
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These tables include only the most common host crystals; lots of others exist, that happen to be a lot less commonly utilized.
激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。
Laser crystals are optical crystals �?generally solitary crystals (monocrystalline optical components) �?that happen to be used as gain media for sound-condition lasers. Most often, These are doped with either trivalent scarce earth ions or transition metal ions.
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。
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。
Certainly, it is extremely fascinating that a specified crystal top quality is generated consistently, While various laser patterns may have a distinct sensitivity to content parameters.
g. a thin disk. As An additional example, Q-switched lasers achieve the next inhabitants density in the upper laser amount and therefore are thus additional delicate to quenching outcomes and Electricity transfer processes; as a result, a decrease doping density is frequently appropriate for these units. For prime-electricity lasers, decrease doping densities in many cases are accustomed to Restrict the density of heat generation, although thin-disk lasers operate most effective with extremely doped crystals. Numerous laser items never reach the comprehensive performance possible for the reason that this sort of aspects have not been adequately worked out.
Laser modeling and simulation may be used to reliably identify the the best possible crystal dimensions, doping density And perhaps values of additional parameters.
热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。
All those surfaces which are handed with the laser beam are Generally either oriented at Brewster's angle or have an anti-reflection coating.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 resources laser crystal crystal advancement optical performance scarce earth ions changeover group ions
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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。