About Laser Crystal
About Laser Crystal
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蓝宝�?柱面�?球罩 偏振�?棱镜 红外光学元件 反射�?光学窗口 非球面镜 波片 分光镜
These ions enable the crystal to amplify light within the laser wavelength by means of stimulated emission, when Strength is provided to the crystal by means of absorption of pump mild (�?optical pumping
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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。
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。
g. a thin disk. As A further instance, Q-switched lasers access a higher populace density from the higher laser level and therefore are as a result far more delicate to quenching outcomes and energy transfer processes; for that reason, a lower doping density is frequently suitable for these equipment. For top-energy lasers, reduced doping densities in many cases are utilized to Restrict the density of warmth era, Though skinny-disk lasers function very best with extremely doped crystals. Many laser products do not get to the whole functionality likely since such facts have read more not been thoroughly worked out.
The host crystal is far more than just a method to repair the laser-active ions at specified positions in House. Numerous Homes of your host product are important:
量子效率是发射光子数量与吸收光子数量的比率。高量子效率表明更大部分吸收能量被转化为激光光束，有助于提高激光的整体效率。
For quasi-a few-stage laser acquire media or even 3-level get media, one generally has to Restrict the length to a price which is way too short for productive pump absorption, as reabsorption consequences would in any other case spoil the general performance. For side pumping, added considerations arrive into Engage in; Other than efficient pump absorption, it is necessary to acquire a suitable spatial shape in the achieve profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 components laser crystal crystal expansion optical effectiveness uncommon earth ions changeover group ions
The medium should have a superior transparency (reduced absorption and scattering) inside the wavelength areas of pump and laser radiation, and very good optical homogeneity. To some extent, this depends upon the quality of the material, determined by details in the fabrication course of action.
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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。