Laser Crystal for Dummies
Laser Crystal for Dummies
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These tables contain only the most common host crystals; many Some others exist, that are much less frequently applied.
These ions permit the crystal to amplify gentle with the laser wavelength by way of stimulated emission, when Power is equipped on the crystal by way of absorption of pump light-weight (�?optical pumping
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。
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions and likewise the upper-condition life span.
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。
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。
亚稳态寿命也起着重要作用。较长的寿命允许更多的储能和实现粒子数反转的更高潜力，这对激光动作至关重要。
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-three-amount laser achieve media and even a few-degree gain media, just one typically needs to Restrict the duration to a value which is way too quick for economical pump absorption, as reabsorption results would if not spoil the functionality. For facet pumping, extra issues appear into play; Aside from economical pump absorption, it's important to obtain an appropriate spatial form on the get profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 components laser crystal crystal expansion optical effectiveness unusual earth ions transition group ions
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There exists a wide array of crystalline media, which may be grouped in accordance to big atomic constituents and crystalline buildings. Some vital teams of crystals are:
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