Laser Crystal - An Overview
Laser Crystal - An Overview
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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。
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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。
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GWU delivers all prevalent laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and many others.) which has a wide range of requirements. Moreover the very well-recognized resources, modern crystals with superb Attributes like Yb:CALGO can open new horizons for demanding laser applications. No matter whether or not unique items for R & D functions are demanded or Value-efficient figures in little, medium or substantial batches with in-time shipping for your generation line are required: GWU’s focused support helps to discover the most effective core elements in your software.
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 used to reliably ascertain the optimum crystal Proportions, doping density And maybe values of added parameters.
激光晶体的核心由固态晶体材料组成，通常掺杂了某些能够通过受激发射产生光放大的离子。这些离子的性质对激光晶体的性能起决定作用。
For quasi-3-level laser acquire media or even three-amount achieve media, 1 normally should Restrict the size to a worth which can be much too quick for efficient pump absorption, as reabsorption results would if not spoil the efficiency. For facet pumping, additional issues occur into play; Other than Laser Crystal economical pump absorption, it is necessary to obtain an acceptable spatial shape of your achieve profile.
主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。
In 2017, we made the entire world’s major Ti∶sapphire crystal (Φ235 mm), which supported the 10 PW laser output of Shanghai Superintense Ultrafast Laser Facility. The development of Yb and Tm doped GdScO3 laser crystals with particularly wide emission spectra drives the development of laser diode pumped ultrafast reliable-point out lasers. With the rise in pulse Power, peak electricity, and repetition amount of solid-state lasers, laser crystals will create toward greater dimensions, better crystal quality, and controllable key general performance.
There is a wide range of crystalline media, which can be grouped according to important atomic constituents and crystalline structures. Some essential groups of crystals are:
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。