The Basic Principles Of Laser Crystal

The Basic Principles Of Laser Crystal

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激光晶体是固态激光器的核心。它们是光放大发生的媒介，产生激光束。在这篇全面指南中，我们深入探讨激光晶体的世界。

Additionally, some overall flexibility is missing in experiments if a single are not able to Check out absorbers with distinct thickness or doping concentration, one example is, 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：

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A higher area good quality is obviously vital. Specs of area flatness are sometimes better than . This will help to avoid both equally scattering losses and wavefront distortions which may degrade the laser's beam high-quality. Furthermore, scratch and dig technical specs

g. a thin disk. As Yet another illustration, Q-switched lasers get to an increased inhabitants density during the higher laser level and are consequently a lot more sensitive to quenching results and Strength transfer procedures; thus, a lessen doping density is frequently appropriate for these gadgets. For prime-electricity lasers, decrease doping densities in many cases are utilized to Restrict the density of warmth era, Despite the fact that skinny-disk lasers operate ideal with hugely doped crystals. A lot of read more laser merchandise tend not to reach the complete overall performance possible because such facts have not been correctly labored out.

The host crystal is a lot more than simply a way to fix the laser-Energetic ions at particular positions in House. Several properties on the host material are very important:

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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With That idea, 1 does not will need an extra saturable absorber crystal, to ensure a single may make far more compact Q-switched laser setups with reduce inside parasitic losses. Nevertheless, unwelcome Unwanted effects may also come about, like acquiring unwelcome valence states in the associated ions or Power 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。