Not known Facts About Laser Crystal
Not known Facts About Laser Crystal
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These tables contain only the most typical host crystals; quite a few Other folks exist, which can be much less commonly employed.
These ions empower the crystal to amplify light-weight at the laser wavelength by way of stimulated emission, when Power is supplied to the crystal by using absorption of pump gentle (�?optical pumping
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The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions as well as the higher-condition lifetime.
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。
g. a skinny disk. As Yet another example, Q-switched lasers attain the next populace density in the higher laser level and therefore are consequently extra sensitive to quenching outcomes and energy transfer processes; thus, a reduced doping density is commonly suitable for these website gadgets. For prime-power lasers, reduce doping densities are sometimes utilized to Restrict the density of warmth technology, Even though slim-disk lasers get the job done most effective with highly doped crystals. Several laser solutions never get to the whole overall performance opportunity because such aspects haven't been correctly labored 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。
热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。
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Distinct crystalline components are quite various about their hardness along with other Qualities, which establish with which techniques And exactly how very easily they can be Slash and polished with high quality.
For different causes, composite crystals have become well-liked. These have a spatially varying chemical composition and will be designed with Exclusive designs.
It may be oriented for around perpendicular incidence from the laser beam, or at Brewster's angle. It may be fastened in certain stable mount which also functions being a warmth sink. Larger crystals are often utilized for side pumping e.g. with higher-energy 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。