The Basic Principles Of Laser Crystal
The Basic Principles Of Laser Crystal
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The most common laser-Lively rare earth ions and host media together with some typical emission wavelengths are proven in the following table:
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激光晶体是固态激光器的核心。它们是光放大发生的媒介，产生激光束。在这篇全面指南中，我们深入探讨激光晶体的世界。
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 features all frequent laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and so on.) having a wide range of specs. In addition to the well-founded resources, progressive crystals with outstanding Qualities like Yb:CALGO can open up new horizons for demanding laser programs. No matter irrespective of whether specific parts for R & D needs are required or Value-economical numbers in modest, medium or large batches with in-time shipping and delivery for that output line are required: GWU’s devoted company helps to find the ideal Main parts for your personal 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。
The maximum attainable doping focus can count strongly about the host product and its fabrication approach.
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-3-degree laser gain media or simply 3-amount achieve media, a single often really should limit the duration to a value which happens to be also short for successful pump absorption, as reabsorption effects would normally spoil the overall performance. For aspect pumping, supplemental issues appear into Engage in; Other than effective pump absorption, it is crucial to acquire an acceptable spatial shape in the get profile.
Different crystalline elements are incredibly distinctive regarding their hardness and other Homes, which determine with which approaches And exactly how very easily they here may be cut and polished with high quality.
For different factors, composite crystals are becoming popular. These Have got a spatially various chemical composition and may be made with Distinctive designs.
It may be oriented for close to perpendicular incidence of your laser beam, or at Brewster's angle. It might be preset in certain stable mount which also functions being a heat sink. Greater crystals are generally used 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。