5 Easy Facts About Laser Crystal Described

5 Easy Facts About Laser Crystal Described

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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。

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 different instance, Q-switched lasers get to an increased inhabitants density within the upper laser stage and therefore are consequently more delicate to quenching effects and Power transfer processes; hence, a lower doping density is often suitable for these devices. For top-ability lasers, lessen doping densities tend to be utilized to limit the density of warmth generation, Whilst slender-disk lasers do the job ideal with really doped crystals. A lot of laser merchandise tend not to click here get to the whole general performance likely for the reason that this kind of aspects haven't been thoroughly worked 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。

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。

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材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 supplies laser crystal crystal expansion optical efficiency scarce earth ions changeover group ions 

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With that concept, a single does not require an extra saturable absorber crystal, making sure that a person may make more compact Q-switched laser setups with reduce internal parasitic losses. Nonetheless, undesirable Uncomfortable side effects could also manifest, which include getting undesirable valence states from the involved ions or Electricity transfers.

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