Detailed Notes on Laser Crystal

Detailed Notes on Laser Crystal

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The commonest laser-Lively unusual earth ions and host media along with some normal emission wavelengths are revealed in the next 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。

Laser crystals are optical crystals �?generally one crystals (monocrystalline optical products) �?which are made use of as obtain media for strong-state lasers. Normally, They are really doped with either trivalent unusual earth ions or transition metal ions.

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 with the attain medium are most useful rely upon many things. The accessible pump source (type of laser diode or lamp) and the envisaged pumping arrangement are crucial components, but the material itself also has some affect. By way of example, titanium–sapphire lasers need to be pumped with higher intensities, for which the form of the transversely cooled rod, operated with comparatively small pump and laser beam diameter, is a lot more correct than e.

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A higher floor high-quality is obviously significant. Requirements of area flatness tend to be better than . This aids to stop each scattering losses and wavefront distortions which could degrade the laser's beam excellent. Also, scratch and dig requirements

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。

激光晶体的效率在很大程度上依赖于某些属性，这些属性不仅限于其基本组成。这些特性决定了产生的激光光束的质量和随后的应用。

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-a few-stage laser obtain media or even three-amount get media, a single often ought to limit the size to a worth that's as well small for effective pump absorption, as reabsorption outcomes would or else spoil the general performance. For side pumping, added issues occur into play; Aside from economical pump absorption, it is vital to get an appropriate spatial here form with the attain profile.

Diverse crystalline materials are certainly various about their hardness together with other properties, which establish with which methods And the way quickly they may be Reduce and polished with high quality.

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It may be oriented for close to perpendicular incidence in the laser beam, or at Brewster's angle. It could be fastened in a few reliable mount which also acts like a heat sink. More substantial crystals usually are employed for aspect pumping e.g. with higher-energy diode bars.

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。