Facts About Laser Crystal Revealed
Facts About Laser Crystal Revealed
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The commonest laser-Lively rare earth ions and host media along with some standard emission wavelengths are revealed in the following table:
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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 and also the higher-state life time.
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Not surprisingly, it Laser Crystal is rather desirable that a supplied crystal top quality is generated constantly, although unique laser types might have a different sensitivity to material 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。
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 obvious that diverse purposes result in really different requirements on laser obtain media. Due to this, a broad range of different crystals are made use of, and generating the ideal preference is essential for constructing 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。
The medium should have a high transparency (lower absorption and scattering) during the wavelength regions of pump and laser radiation, and very good optical homogeneity. To some extent, this is dependent upon the standard of the material, determined by details on the fabrication process.
There is certainly an array of crystalline media, that may be grouped according to special atomic constituents and crystalline structures. Some vital teams of crystals are:
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。