Not known Facts About Laser Crystal
Not known Facts About Laser Crystal
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These tables have only the commonest host crystals; numerous Other individuals exist, that happen to be fewer commonly applied.
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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。
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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：
GWU provides all typical laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and so on.) which has a wide selection of specs. Moreover the nicely-recognized elements, modern crystals with outstanding Houses like Yb:CALGO can open new horizons for demanding laser applications. It doesn't matter irrespective of whether specific pieces for R & D reasons are essential or Value-effective numbers in little, medium or significant batches with in-time supply for that output line are required: GWU’s focused company helps you to find the finest core parts for your software.
Not surprisingly, it is extremely appealing that a offered crystal quality is produced persistently, Whilst distinct laser patterns might have a unique sensitivity to product parameters.
The maximum doable doping focus can depend strongly about the host content and its fabrication approach.
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。
It is apparent that distinctive applications produce quite different requirements on laser attain media. For that reason, a broad vary of various crystals are employed, and making the ideal choice is important for constructing lasers with optimum general performance.
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 significant transparency (low absorption and scattering) from the wavelength regions of pump and laser radiation, and great optical homogeneity. To some extent, this relies on the quality of the material, determined by particulars of the fabrication procedure.
It could be oriented for in the vicinity of perpendicular incidence from the laser beam, or at Brewster's angle. It could be preset click here in some strong mount which also acts for a heat sink. Greater crystals usually are useful for aspect pumping e.g. with significant-energy diode bars.
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。