The Fact About Laser Crystal That No One Is Suggesting

The Fact About Laser Crystal That No One Is Suggesting

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The most common laser-Lively uncommon earth ions and host media together with some common emission wavelengths are revealed in the subsequent table:

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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。

Furthermore, some adaptability is lost in experiments if just one are not able to Check out absorbers with unique thickness or doping concentration, as an example, with no exchanging the laser crystal by 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 high area quality is needless to say significant. Requirements of surface flatness tend to be much better than . This aids to prevent the two scattering losses and wavefront distortions which might degrade the laser's beam quality. In addition, scratch and dig requirements

The utmost probable doping focus can count strongly over the host material and its fabrication process.

Laser modeling and simulation can be used to reliably identify the the best possible crystal Proportions, doping density And maybe values of added 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 happen to be handed via the laser beam are Generally either oriented at Brewster's angle or have an anti-reflection coating.

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 ought to have a higher transparency (lower absorption and scattering) in the wavelength regions of pump and laser radiation, and very good optical homogeneity. To some extent, this will depend on the caliber of the material, determined by facts in the fabrication system.

There is an array of here crystalline media, which may be grouped according to big atomic constituents and crystalline buildings. Some vital groups of crystals are:

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。