The most typical laser-active exceptional earth ions and host media together with some usual emission wavelengths are shown in the subsequent desk:
激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。
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。
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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：
晶体生长 晶体加工 镀膜能�?品质管理 研发能力 新闻中心
A high floor high quality is naturally important. Requirements of area flatness tend to be a lot better than . This allows to prevent both equally scattering losses and wavefront distortions which may degrade the laser's beam good quality. In addition, scratch and dig specifications
g. a skinny disk. As A further case in point, Q-switched lasers achieve the next populace density while in the higher laser stage and they are hence extra delicate to quenching effects and Power transfer procedures; thus, a decrease doping density is often suitable for these products. For prime-power lasers, lessen doping densities will often be accustomed to limit the density of heat generation, Though skinny-disk lasers perform greatest with remarkably doped crystals. Numerous laser solutions usually do not reach the whole performance opportunity due to the fact this sort of details have not been appropriately labored out.
The host crystal is considerably more than just a method to fix the laser-Lively ions at specified positions in Area. A variety of Qualities with the host material are very important:
蓝宝�?柱面�?球罩 偏振�?棱镜 红外光学元件 反射�?光学窗口 非球面镜 波片 分光�?制造能力
Those people surfaces which can be passed via the laser beam are Ordinarily both oriented at Brewster's angle or have an anti-reflection coating.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 products laser crystal crystal progress optical performance unusual earth ions changeover team ions
The medium ought to have a substantial transparency (lower absorption and scattering) while in the wavelength regions of pump and laser radiation, and excellent optical homogeneity. To some extent, this depends upon the quality of the fabric, determined by facts on the fabrication method.
With that concept, a single does not want a further saturable absorber crystal, making sure that 1 might make a lot more compact Q-switched more info laser setups with decrease internal parasitic losses. Nonetheless, unwanted Unwanted side effects may also take place, for example getting unwelcome valence states from the included ions or Vitality 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。