Laser Crystal Secrets
Laser Crystal Secrets
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These tables include only the most typical host crystals; many Many others exist, that happen to be less regularly applied.
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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。
Needless to say, it is extremely appealing that a specified crystal high quality is generated constantly, Whilst unique laser types can have another sensitivity to content parameters.
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。
Laser modeling and simulation can be utilized to reliably identify the ideal crystal dimensions, doping density And perhaps values of extra parameters.
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 or simply 3-level attain media, one particular frequently really should limit the duration to a value and that is also shorter for productive pump absorption, as reabsorption consequences would in any other case spoil the performance. For aspect pumping, more concerns appear into play; Aside more info from economical pump absorption, it is vital to acquire an acceptable spatial shape from the obtain profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 resources laser crystal crystal advancement optical functionality rare earth ions changeover group ions
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It might be oriented for around perpendicular incidence with the laser beam, or at Brewster's angle. It might be preset in certain good mount which also functions to be a warmth sink. Larger sized crystals are usually useful 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。