5 Easy Facts About Laser Crystal Described
5 Easy Facts About Laser Crystal Described
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These tables comprise only the commonest host crystals; several Some others exist, that are much less regularly employed.
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为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。
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。
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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 large area top quality is of course important. Specs of area flatness are often better than . This allows to stay away from the two scattering losses and wavefront distortions which might degrade the laser's click here beam top quality. Moreover, scratch and dig technical specs
g. a thin disk. As A further example, Q-switched lasers get to the next inhabitants density within the upper laser level and they are consequently a lot more sensitive to quenching consequences and Electricity transfer procedures; as a result, a decrease doping density is usually appropriate for these gadgets. For top-energy lasers, lessen doping densities are frequently utilized to limit the density of heat generation, Even though slim-disk lasers function most effective with hugely doped crystals. Lots of laser solutions don't get to the entire overall performance probable for the reason that these types of details haven't been thoroughly 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。
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主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。
The medium must have a high transparency (reduced absorption and scattering) from the wavelength areas of pump and laser radiation, and great optical homogeneity. To some extent, this is determined by the quality of the material, determined by details of your fabrication procedure.
There is an array of crystalline media, which can be grouped in accordance to important atomic constituents and crystalline structures. Some significant teams of crystals are:
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。