Laser Crystal - An Overview

Laser Crystal - An Overview

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The most typical laser-active uncommon earth ions and host media together with some common emission wavelengths are shown 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。

Also, some flexibility is lost in experiments if one particular are unable to Check out absorbers with different thickness or doping focus, for instance, without having 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：

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 substantial floor high-quality is of course crucial. Specs of surface area flatness are frequently better than . This assists to avoid both scattering losses and wavefront distortions which can degrade the laser's beam high-quality. On top of that, scratch and dig requirements

The most feasible doping concentration can get more info rely strongly over the host materials and its fabrication system.

Laser modeling and simulation can be used to reliably determine the ideal crystal Proportions, doping density and possibly values of supplemental 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。

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For numerous factors, composite crystals are getting to be preferred. These Use a spatially varying chemical composition and can be built with Specific shapes.

There may be a wide range of crystalline media, which can be grouped in accordance to big atomic constituents and crystalline constructions. Some critical 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。