The Laser Crystal Diaries

The Laser Crystal Diaries

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激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。

The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions and likewise the higher-point out lifetime.

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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 different instance, Q-switched lasers reach a better inhabitants density in the upper laser stage and so are therefore a lot more sensitive to quenching consequences and Power transfer processes; as a result, a decrease doping density is commonly suitable for these equipment. For top-power lasers, decreased doping densities tend to be used to Restrict the density of warmth era, Despite the fact that skinny-disk lasers perform greatest with very doped crystals. Numerous laser items don't get to the whole functionality prospective since such facts have not been thoroughly worked out.

The host crystal is considerably more than simply a method to fix the laser-active ions at sure positions in space. Several Houses of your host material are essential:

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。

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Distinct crystalline materials are certainly distinct relating to their hardness along with other Qualities, which identify with which strategies more info And just how easily they are often Slice and polished with top quality.

In 2017, we developed the whole world’s premier Ti∶sapphire crystal (Φ235 mm), which supported the 10 PW laser output of Shanghai Superintense Ultrafast Laser Facility. The event of Yb and Tm doped GdScO3 laser crystals with exceptionally vast emission spectra drives the development of laser diode pumped ultrafast sound-condition lasers. With the increase in pulse Power, peak electric power, and repetition level of solid-condition lasers, laser crystals will produce toward greater measurements, better crystal top quality, and controllable essential functionality.

You can find an array of crystalline media, which may be grouped in accordance to big atomic constituents and crystalline buildings. Some important groups of crystals are:

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。