These tables incorporate only the most typical host crystals; a lot of Other folks exist, that are considerably less commonly used.
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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。
激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
Which geometry, dopant and doping concentration of your obtain medium are most beneficial rely upon several aspects. The obtainable pump source (kind of laser diode or lamp) as well as envisaged pumping arrangement are important elements, but the material by itself also has some influence. For instance, titanium–sapphire lasers should be pumped with large intensities, for which the shape of a transversely cooled rod, operated with rather smaller pump and laser beam diameter, is a lot more appropriate than e.
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Naturally, it is rather attractive that a presented crystal top quality is produced continually, Even though distinctive laser patterns might have a distinct sensitivity to materials parameters.
g. a thin disk. As Yet another instance, Q-switched lasers reach the next populace density within the upper laser level and therefore are therefore more sensitive to quenching results and Power transfer procedures; for that reason, a reduced doping density is frequently suitable for these products. For high-electric power lasers, lessen doping densities tend to be accustomed to limit the density of heat era, Though slim-disk lasers work ideal with highly doped crystals. A lot of laser products usually do not get to the full efficiency likely because this sort of information haven't been appropriately labored out.
Several laser crystal elements have already been shown where by some saturable absorber materials is incorporated for passive Q switching of a laser.
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For quasi-a few-stage laser obtain media or simply a few-degree obtain media, one particular typically really should limit the length to a value which can be also limited for successful pump absorption, as reabsorption results would in any other case spoil the overall performance. For side pumping, more check here factors come into Perform; Apart from effective pump absorption, it is important to get a suitable spatial condition in the gain profile.
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 functionality scarce earth ions transition group ions
For a variety of motives, composite crystals have become well-known. These Possess a spatially varying chemical composition and will be built with Exclusive styles.
With That idea, a single would not want yet another saturable absorber crystal, to ensure that just one could make more compact Q-switched laser setups with lessen inside parasitic losses. Nevertheless, unwelcome Unwanted effects might also take place, which include obtaining undesirable valence states with the associated ions or Power 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。