The Basic Principles Of Laser Crystal
The Basic Principles Of Laser Crystal
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These tables contain only the most typical host crystals; quite a few Other people exist, which might be less commonly made use of.
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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。
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions in addition to the upper-point out 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。
The maximum attainable doping concentration can rely strongly around the host substance and its fabrication strategy.
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。
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It is apparent that distinct programs bring about really distinct demands on laser obtain media. Because of this, a broad vary of various crystals are made use of, and creating the right read more preference is important for constructing lasers with the best possible general performance.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 supplies laser crystal crystal progress optical effectiveness scarce earth ions changeover team ions
The medium ought to have a superior transparency (lower absorption and scattering) within the wavelength locations of pump and laser radiation, and excellent optical homogeneity. To some extent, this depends on the caliber of the fabric, determined by facts of the fabrication course of action.
With That idea, just one won't will need a further saturable absorber crystal, making sure that one particular could make much more compact Q-switched laser setups with lessen inside parasitic losses. Nevertheless, unwelcome Unintended effects may additionally happen, which include acquiring unwelcome valence states from the included ions or Strength transfers.
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。