Not known Details About Laser Crystal
Not known Details About Laser Crystal
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The most common laser-Lively scarce earth ions and host media along with some typical emission wavelengths are proven in the next desk:
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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。
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 case in point, Q-switched lasers attain an increased population density inside the higher laser amount and are as a result additional sensitive to quenching effects and Strength transfer procedures; consequently, a decrease doping density is commonly suitable for these equipment. For top-energy lasers, reduce doping densities are sometimes accustomed to limit the density of heat generation, Even though thin-disk lasers function very best with extremely doped crystals. Many laser goods don't get to the total functionality prospective simply because such aspects have not 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。
It is clear that different applications result in really distinct demands on laser get media. Due to this, a wide selection of different crystals are employed, and producing the ideal preference is important for setting up lasers with optimum overall performance.
主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。
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With That idea, just one won't will need a further saturable absorber crystal, making sure that just one may well make far more compact Q-switched laser setups with reduced internal parasitic losses. However, unwelcome Unintended effects Laser Crystal may take place, such as obtaining unwelcome valence states on the involved ions or Electricity transfers.
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