5 Easy Facts About Laser Crystal Described
5 Easy Facts About Laser Crystal Described
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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 permit the crystal to amplify gentle at the laser wavelength by means of stimulated emission, when Strength is equipped to your crystal via absorption of pump light-weight (�?optical pumping
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The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions in addition to the upper-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。
g. a thin disk. As A further example, Q-switched lasers access a higher populace density from the higher laser amount and therefore are for that reason extra sensitive to quenching results and Strength transfer processes; as a result, a decrease doping density is frequently suitable for these equipment. For top-ability lasers, lower doping densities tend to be used to Restrict the density of heat generation, While slender-disk lasers work best with highly doped crystals. Numerous laser merchandise will not reach the complete efficiency possible simply because this kind of details haven't been effectively labored out.
The host crystal is far more than just a way to repair the laser-Lively ions at particular positions in Room. A variety of properties from the host materials are crucial:
激光晶体的核心由固态晶体材料组成，通常掺杂了某些能够通过受激发射产生光放大的离子。这些离子的性质对激光晶体的性能起决定作用。
It is clear that distinctive purposes lead to extremely various needs on laser obtain media. For that reason, a broad variety Laser Crystal of various crystals are employed, and generating the correct alternative is important for setting up lasers with ideal efficiency.
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 uncommon earth ions changeover team ions
The medium should have a superior transparency (low absorption and scattering) during the wavelength regions of pump and laser radiation, and very good optical homogeneity. To some extent, this is determined by the quality of the material, based on aspects in the fabrication approach.
With That idea, just one won't need a further saturable absorber crystal, to ensure just one may possibly make far more compact Q-switched laser setups with reduced internal parasitic losses. Having said that, undesired Unintended effects may also happen, including getting undesirable valence states with the involved ions or Power transfers.
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。