The Definitive Guide to Laser Crystal
The Definitive Guide to Laser Crystal
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These ions enable the crystal to amplify light for the laser wavelength by means of stimulated emission, when Electricity is supplied towards the crystal via absorption of pump gentle (�?optical pumping
Laser crystals are optical crystals �?usually single crystals (monocrystalline optical elements) �?that happen to be employed as achieve media for good-point out lasers. In most cases, they are doped with possibly trivalent rare earth ions or changeover metal ions.
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。
活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。
g. a skinny disk. As another instance, Q-switched lasers achieve the next population density in the upper laser level and therefore are consequently extra delicate to quenching consequences and Vitality transfer processes; thus, a reduce doping density is usually appropriate for these gadgets. For top-electric power lasers, decrease doping densities tend to be used to limit the density of warmth generation, although slender-disk lasers get the job done finest with highly doped crystals. Quite a few laser items do not get to the comprehensive overall performance likely due to the fact these aspects have not more info been correctly 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。
Individuals surfaces that are handed through the laser beam are Commonly both oriented at Brewster's angle or have an anti-reflection coating.
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For many reasons, composite crystals are becoming preferred. These Possess a spatially different chemical composition and may be created with Particular styles.
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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。