Laser Crystal Secrets

Laser Crystal Secrets

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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。

Additionally, some overall flexibility is shed in experiments if one simply cannot try out absorbers with distinctive thickness or doping focus, as an example, with no exchanging the laser crystal itself.

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：

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A large floor excellent is certainly essential. Specs of floor flatness in many cases are much better than . This allows to avoid both scattering losses and wavefront distortions which may degrade the laser's beam high quality. Additionally, scratch and dig specifications

g. a thin disk. As A further example, Q-switched lasers get to the next population density while in the higher laser level and so are therefore much more sensitive to quenching outcomes and Electrical power transfer procedures; therefore, a reduce doping density is usually appropriate for these units. For prime-electricity lasers, decrease doping densities in many cases are utilized to Restrict the density of heat generation, Even though skinny-disk lasers perform greatest with extremely doped crystals. Numerous laser products do not get to the total efficiency possible because these specifics haven't been appropriately 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。

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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Diverse crystalline supplies are really distinct relating to their hardness as well as other Houses, which figure out with which approaches And click here exactly how very easily they are often Minimize and polished with top quality.

For many good reasons, composite crystals have gotten well-known. These have a spatially various chemical composition and can be built with Exclusive designs.

With That idea, one particular won't will need a further saturable absorber crystal, to ensure a single could make much more compact Q-switched laser setups with lower internal parasitic losses. However, undesired Uncomfortable side effects may additionally happen, which include getting undesirable valence states of the included ions or energy 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。