Top Laser Crystal Secrets
Top Laser Crystal Secrets
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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。
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions and likewise the higher-condition life span.
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。
激光晶体的损伤阈值与其能承受的最大光强有关，而不会遭受物理或结构损伤。高损伤阈值对于确保高功率激光应用的耐久性和长寿命至关重要。
The utmost possible doping concentration can rely strongly on the host content and its fabrication process.
The host crystal is far more than simply a means to repair the laser-Energetic ions at particular positions in Place. Quite a few Houses of your host content are 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。
For quasi-3-stage laser get media or simply three-stage acquire media, 1 frequently must Restrict the length to a worth which is much too shorter for economical pump absorption, here as reabsorption results would in any other case spoil the general performance. For facet pumping, supplemental issues arrive into Enjoy; Apart from successful pump absorption, it is necessary to get an appropriate spatial condition of the get profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 supplies laser crystal crystal expansion optical efficiency rare earth ions transition team ions
The medium must have a superior transparency (small absorption and scattering) from the wavelength areas of pump and laser radiation, and great optical homogeneity. To some extent, this depends upon the caliber of the fabric, determined by aspects in the fabrication process.
With That idea, 1 would not want an extra saturable absorber crystal, in order that a single may possibly make additional compact Q-switched laser setups with decreased inside parasitic losses. Even so, undesirable Unintended effects may arise, including obtaining unwelcome valence states with the concerned ions or energy transfers.
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。