Visible good-point out lasers based on laser crystals are compact and lightweight. Lasers from deep crimson to blue happen to be claimed. Specifically, there have been loads of experiences on Pr3+ doped laser crystals, and continuous wave lasers all over 490 nm are reached. Ti∶sapphire is the key acquire crystal for ultrafast lasers. Superintense ultrafast lasers with peak ability starting from quite a few hundred terawatts to 10 petawatts need substantial-quality and enormous-sized Ti∶sapphire crystal. The origin of defect associated optical absorption in Ti∶sapphire and The expansion of huge-sized high-high-quality crystals are two vital challenges that urgently need to be addressed. In recent times, we analyzed the system of defect similar optical absorption in Ti∶sapphire theoretically, and grew massive-sized superior-high-quality crystals through heat exchange technique. The main activating ions for one μm laser crystals are Nd3+ and Yb3+. Nd∶YAG may be the most widely used laser crystal. Recently, we explored many new Nd3+ doped fluoride and oxide laser crystals, and solved the emission cross area dilemma of Nd∶Lu3Al5O12. SIOM reported a new type of laser crystal Yb∶GdScO3, of which the obtain bandwidth is about eighty five nm. The usually applied activation ions for 2 μm laser crystals are Tm3+ and Ho3+. Tm3+ is usually immediately pumped by laser diode. Ho3+ has larger sized stimulated emission cross part, and its emission wavelength is for a longer period than two μm. We researched the growth, spectroscopy, and laser functionality of Tm∶LiYF4, Tm∶LiLuF4, Ho∶LiYF4, Tm,Ho∶LiYF4, and Tm,Ho∶LiLuF4 crystals.

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。

为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。

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。

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：

晶体的光学质量对激光器的有效运行至关重要。晶体中的缺陷或杂质可能导致光散射、吸收甚至损坏晶体。高光学质量确保了稳定和高质量的激光束。

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。

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。

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It is obvious that distinct purposes result in pretty unique specifications on laser attain media. Because of this, a wide variety of various crystals are used, and producing the ideal selection is important for developing lasers with the best possible efficiency.

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In 2017, we produced the planet’s premier Ti∶sapphire crystal (Φ235 mm), which supported The ten PW laser output of Shanghai Superintense Ultrafast Laser Facility. The development of Yb and Tm doped GdScO3 laser crystals with incredibly vast emission spectra drives the development of laser diode pumped ultrafast good-condition lasers. With the increase in pulse energy, peak power, and repetition price of good-point out lasers, laser crystals will produce in the direction of bigger dimensions, larger crystal quality, and controllable critical efficiency.

With that concept, 1 does not will need yet another saturable absorber crystal, in order that one may possibly make more compact Q-switched laser setups with decrease interior parasitic losses. Nevertheless, undesirable side effects can also take place, for instance acquiring undesirable valence states on the associated ions or Power 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。