The Ultimate Guide To Laser Crystal
The Ultimate Guide To Laser Crystal
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These tables comprise only the most common host crystals; several others exist, that happen to be a lot less routinely used.
激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。
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激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
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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。
g. a thin disk. As A different illustration, Q-switched lasers attain a better inhabitants density during the upper laser degree and so are thus more sensitive to quenching results and Strength transfer procedures; thus, a lessen doping density is often suitable for these equipment. For high-electrical power lasers, reduce doping densities are sometimes accustomed to limit the density of heat technology, read more Whilst slim-disk lasers get the job done ideal with hugely doped crystals. Several laser items don't get to the whole effectiveness likely since these kinds of details haven't been effectively worked out.
The host crystal is way more than just a way to repair the laser-Lively ions at particular positions in Room. Many properties from the host content are very important:
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。
Those surfaces which are handed from the laser beam are Ordinarily both oriented at Brewster's angle or have an anti-reflection coating.
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 ought to have a substantial transparency (reduced absorption and scattering) in the wavelength areas of pump and laser radiation, and good optical homogeneity. To some extent, this relies on the quality of the fabric, based on information of the fabrication process.
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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。