Laser Crystal - An Overview

Laser Crystal - An Overview

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These tables contain only the most typical host crystals; quite a few Other people exist, which can be significantly less regularly utilized.

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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 focus of your acquire medium are most advantageous rely on many factors. The offered pump supply (variety of laser diode or lamp) and also the envisaged pumping arrangement are crucial things, but the material by itself also has some influence. One example is, titanium–sapphire lasers must be pumped with higher intensities, for which the shape of a transversely cooled rod, operated with somewhat smaller pump and laser beam diameter, is more suitable than e.

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激光晶体的损伤阈值与其能承受的最大光强有关，而不会遭受物理或结构损伤。高损伤阈值对于确保高功率激光应用的耐久性和长寿命至关重要。

探索激光晶体的领域，可以让我们看到科学和技术相结合的奇迹，为我们带来了令人难以置信的进步。这些激光晶体，每一种都在组成和特性上独具匠心，是推动现代世界众多应用的动力。

Laser modeling and simulation can be utilized to reliably determine the ideal crystal dimensions, doping density And perhaps values of extra parameters.

量子效率是发射光子数量与吸收光子数量的比率。高量子效率表明更大部分吸收能量被转化为激光光束，有助于提高激光的整体效率。

For quasi-three-stage laser acquire media or simply 3-level get media, one particular frequently ought to limit the size to a value that's as well small for successful pump absorption, as reabsorption effects would normally spoil the performance. For aspect pumping, supplemental concerns appear into Participate in; In addition to effective pump absorption, it's important to get an appropriate spatial shape on the attain profile.

材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 materials laser crystal crystal progress optical click here efficiency scarce earth ions transition group ions 

For many explanations, composite crystals have gotten preferred. These Use a spatially various chemical composition and can be built with Exclusive designs.

It might be oriented for in the vicinity of perpendicular incidence of your laser beam, or at Brewster's angle. It could be fastened in some sound mount which also acts like a heat sink. Bigger crystals tend to be useful for facet pumping e.g. with significant-electric power diode bars.

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。