Detailed Notes on Laser Crystal
Detailed Notes on Laser Crystal
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These tables contain only the most common host crystals; several Other folks exist, which happen to be much less commonly made use of.
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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 changeover cross-sections of pump and laser transitions and also the upper-point out 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。
Obviously, it is very attractive that a presented crystal high quality is manufactured persistently, Even though distinctive laser models can have a unique sensitivity to material parameters.
探索激光晶体的领域，可以让我们看到科学和技术相结合的奇迹，为我们带来了令人难以置信的进步。这些激光晶体，每一种都在组成和特性上独具匠心，是推动现代世界众多应用的动力。
The host crystal is a great deal more than simply a method to repair the laser-Lively ions at certain positions in Area. Several Homes on the host substance are very 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。
Those people surfaces that happen to be handed because of click here the laser beam are Typically possibly oriented at Brewster's angle or have an anti-reflection coating.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 products laser crystal crystal growth optical functionality exceptional earth ions changeover group ions
In 2017, we created the earth’s largest 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 really large emission spectra drives the event of laser diode pumped ultrafast solid-state lasers. With the increase in pulse Vitality, peak electricity, and repetition amount of good-point out lasers, laser crystals will establish to greater sizes, larger crystal top quality, and controllable critical general performance.
With that concept, 1 does not have to have an extra saturable absorber crystal, so that one particular may make more compact Q-switched laser setups with lessen inside parasitic losses. Nevertheless, unwelcome Unintended effects may additionally occur, for instance obtaining undesired valence states of the concerned ions or Electrical 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。