Laser Crystal No Further a Mystery
Laser Crystal No Further a Mystery
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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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激光晶体由发光中心和基质晶体两部分组成。大部分激光晶体的发光中心由激活离子构成，激活离子部分取代基质晶体中的阳离子形成掺杂型激光晶体。激活离子成为基质晶体组分的一部分时，则构成自激活激光晶体。
Of course, it is very attractive that a supplied crystal excellent is developed persistently, Though various laser layouts may have a special sensitivity to material parameters.
g. a skinny disk. As An additional illustration, Q-switched lasers reach a better inhabitants density within the higher laser amount and therefore are consequently far more delicate to quenching consequences and Power transfer processes; consequently, a decrease doping density is frequently suitable for these products. For top-power lasers, reduce doping densities are frequently used to limit the density of heat technology, Whilst slim-disk lasers get the job done very best with extremely doped crystals. Numerous laser goods don't reach the total efficiency possible because these types of facts have not been thoroughly worked out.
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。
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。
It is obvious that unique apps bring on pretty distinctive requirements on laser acquire media. Because of this, a broad range of various crystals are made use of, and earning the ideal preference is important for developing lasers with the best possible effectiveness.
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 formulated the entire world’s greatest 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 large emission spectra drives the development of laser diode pumped ultrafast sound-condition lasers. With the rise in pulse energy, peak electrical power, and repetition amount of solid-state lasers, Laser Crystal laser crystals will build in direction of larger sizes, larger crystal excellent, and controllable vital performance.
It may be oriented for around perpendicular incidence on the laser beam, or at Brewster's angle. It could be fastened in a few stable mount which also functions being a heat sink. Greater crystals are frequently utilized for side pumping e.g. with substantial-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。