New Step by Step Map For Laser Crystal
New Step by Step Map For Laser Crystal
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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。
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions in addition to the upper-condition 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。
g. a skinny disk. As A different instance, Q-switched lasers attain a greater populace density while in the higher laser degree and so are as a result more delicate to quenching outcomes and Power transfer processes; thus, a reduced doping density is frequently appropriate for these equipment. For prime-power lasers, lessen doping densities will often be used to limit the density of warmth technology, Despite the fact that slim-disk lasers do the job most effective with hugely doped crystals. Numerous laser products do not reach the full functionality probable mainly because these types of details haven't been thoroughly worked out.
Laser modeling and simulation can be used to reliably ascertain the optimum crystal Proportions, doping density And maybe values of added parameters.
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It is obvious that diverse apps result in really diverse needs on laser obtain media. For that reason, a broad variety of various crystals are made use of, and building the appropriate alternative is essential for constructing lasers with ideal 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 materials laser crystal crystal development optical effectiveness rare earth ions transition group ions
The get more info medium should have a significant transparency (small absorption and scattering) in the wavelength areas of pump and laser radiation, and great optical homogeneity. To some extent, this depends on the caliber of the fabric, determined by facts from the fabrication system.
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