Laser Crystal for Dummies
Laser Crystal for Dummies
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The commonest laser-Energetic scarce earth ions and host media along with some usual emission wavelengths are demonstrated in the next table:
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 �?ordinarily solitary crystals (monocrystalline optical supplies) �?which are used as get media for sound-condition lasers. In most cases, These are doped with both trivalent uncommon earth ions or changeover 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 in the get medium are most beneficial count on several aspects. The offered pump supply (form of laser diode or lamp) plus the envisaged pumping arrangement are crucial factors, but the fabric alone also has some influence. For instance, titanium–sapphire lasers need to be pumped with significant intensities, for which the form of a transversely cooled rod, operated with relatively compact pump and laser beam diameter, is much more acceptable than e.
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A large area top quality is certainly crucial. Technical specs of surface flatness in many cases are better than . This assists to stop each scattering losses and wavefront distortions which might degrade the laser's beam high-quality. Additionally, 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。
热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。
For quasi-a few-stage laser gain media or simply a few-degree acquire media, one normally ought to Restrict the size to a worth and that is also short for successful pump absorption, as reabsorption effects would if not spoil the effectiveness. For side pumping, more concerns occur into Engage in; Other than productive pump absorption, it's important to acquire a suitable spatial form of the achieve profile.
Different crystalline products are certainly distinct relating to their hardness along with other properties, which ascertain with which strategies and how simply they may be Lower and polished with top quality.
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There exists a variety of crystalline media, which can be grouped according to important atomic constituents and crystalline constructions. Some vital teams of crystals are:
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