The Definitive Guide to Laser Crystal

The Definitive Guide to 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

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。

Laser crystals are optical crystals �?commonly one crystals (monocrystalline optical elements) �?which might be employed as gain media for reliable-state lasers. Typically, They can be doped with either trivalent exceptional earth ions or transition steel ions.

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 as well as the higher-state 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。

Not surprisingly, it is vitally fascinating that a provided crystal high-quality is manufactured regularly, Even though distinctive laser layouts might have a different sensitivity to product parameters.

g. a thin disk. As A different example, Q-switched lasers attain an increased population density during the higher laser amount and are as a result more sensitive to quenching consequences and Electricity transfer procedures; consequently, a reduce doping density is commonly appropriate for these units. For prime-electric power lasers, lessen doping densities will often be utilized to Restrict the density of warmth era, Even though skinny-disk lasers do the job ideal with hugely doped crystals. Lots of laser products do not get to the total functionality prospective due to the fact these aspects haven't been adequately worked out.

The host crystal is a great deal more than just a means to fix the laser-active ions at selected click here positions in Area. A number of Houses with the host material 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-3-amount laser gain media or perhaps 3-level acquire media, just one often needs to Restrict the size to a price which can be too brief for economical pump absorption, as reabsorption effects would or else spoil the overall performance. For aspect pumping, extra issues arrive into Enjoy; In addition to productive pump absorption, it is important to acquire an appropriate spatial condition in the achieve profile.

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For a variety of reasons, composite crystals are becoming preferred. These Possess a spatially various chemical composition and might be designed with special shapes.

With That idea, a person will not require yet another saturable absorber crystal, making sure that just one could make more compact Q-switched laser setups with decrease inside parasitic losses. On the other hand, unwanted Unintended effects may additionally manifest, such as acquiring unwelcome valence states of the concerned ions or Electricity 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。