The Fact About Laser Crystal That No One Is Suggesting

The Fact About Laser Crystal That No One Is Suggesting

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激光晶体是固态激光器的核心。它们是光放大发生的媒介，产生激光束。在这篇全面指南中，我们深入探讨激光晶体的世界。

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。

作为工业上使用较多的都是高掺钇铝石榴石，也就是说掺入不同的元素来达到不同的效果；作为工业激光，关注以下性能：

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 very fascinating that a provided crystal top quality is created continually, Despite the fact that different laser designs can have a special sensitivity to product parameters.

The maximum attainable doping concentration can depend strongly within the host substance and its fabrication system.

The host crystal is a lot more than just a means to fix the laser-Lively ions at certain positions in Area. A variety of Qualities in the host material 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-amount laser get media as well as 3-amount attain media, one particular normally must Restrict the size to a worth which can be far too short for successful pump absorption, as reabsorption consequences would usually spoil the functionality. For aspect pumping, extra factors occur into Participate in; In addition to efficient pump absorption, it is crucial to get an appropriate spatial form on the obtain profile.

材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 elements laser crystal crystal advancement optical general performance unusual earth ions changeover team ions 

In 2017, we developed the globe’s most significant Ti∶sapphire crystal (Φ235 mm), which supported the 10 PW laser output of Shanghai Superintense Ultrafast Laser Facility. The development of Yb and Tm doped GdScO3 laser crystals with very broad emission more info spectra drives the development of laser diode pumped ultrafast stable-point out lasers. With the increase in pulse Vitality, peak electrical power, and repetition amount of strong-point out lasers, laser crystals will acquire in the direction of larger measurements, larger crystal excellent, and controllable essential overall performance.

There's an array of crystalline media, which can be grouped according to important atomic constituents and crystalline buildings. Some important teams of crystals are:

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。