Helping The others Realize The Advantages Of Laser Crystal
Helping The others Realize The Advantages Of Laser Crystal
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These tables include only the most common host crystals; numerous Other people exist, that happen to be much less routinely utilized.
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为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。
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。
Certainly, it is very attractive that a specified crystal high-quality is generated continuously, although different laser layouts may have a special sensitivity to material parameters.
The utmost attainable doping concentration can rely strongly on the host content and its fabrication method.
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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For quasi-three-amount laser get media and even three-stage obtain media, one generally should Restrict the size to a worth that's much too limited for efficient pump absorption, as reabsorption outcomes would or else spoil the effectiveness. For side pumping, more considerations arrive into Engage in; In addition to efficient pump absorption, it is vital to acquire a suitable spatial condition in 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 products laser crystal crystal development optical general performance rare earth ions transition group ions
The medium must have a large transparency (very low absorption and scattering) within the wavelength regions of pump and laser radiation, and great optical homogeneity. To some extent, this is determined by the standard of the material, determined by specifics on the fabrication course of action.
It might be oriented for in close proximity to perpendicular incidence of your laser beam, or at Brewster's angle. It can be fixed in some solid mount which also functions as a warmth sink. Larger sized crystals are usually useful for facet pumping e.g. with more info significant-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。