Little Known Facts About Laser Crystal.

Little Known Facts About Laser Crystal.

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The most common laser-Lively exceptional earth ions and host media along with some regular emission wavelengths are proven in the following table:

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Laser crystals are optical crystals �?typically single crystals (monocrystalline optical materials) �?which are made use of as attain media for stable-condition lasers. Normally, They may be doped with either trivalent scarce earth ions or changeover metal ions.

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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：

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 higher area quality is naturally vital. Specifications of floor flatness are frequently much better than . This aids to stay away from both equally scattering losses and wavefront distortions which might degrade the laser's beam high-quality. Furthermore, scratch and dig technical specs

g. a skinny disk. As Yet another illustration, Q-switched lasers access the next population density within the upper laser degree and therefore are as a result far more delicate to quenching outcomes and Strength transfer processes; therefore, a reduced doping density is usually appropriate for these units. For prime-electrical power lasers, lower doping densities are sometimes accustomed to limit the density of warmth generation, Though slender-disk lasers do the job finest with highly doped crystals. Many laser products will not reach the entire functionality probable because such facts have not been correctly labored out.

A more info handful of laser crystal materials are shown where by some saturable absorber content is included for passive Q switching of the laser.

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材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 elements laser crystal crystal growth optical general performance rare earth ions changeover group ions 

For numerous explanations, composite crystals are becoming preferred. These have a spatially varying chemical composition and may be created with Specific designs.

With that concept, a person will not will need an additional saturable absorber crystal, to ensure that just one may perhaps make much more compact Q-switched laser setups with reduced inside parasitic losses. However, unwelcome Unwanted effects may come about, which include getting undesired valence states on the involved ions or Strength transfers.

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。