Laser Crystal for Dummies

Laser Crystal for Dummies

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These tables comprise only the most common host crystals; many Some others exist, which might be fewer frequently used.

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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。

On top of that, some versatility is dropped in experiments if one cannot try out absorbers with diverse thickness or doping focus, for example, with no exchanging the laser crystal by itself.

The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions as well as the higher-state life time.

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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。

The utmost possible doping focus can depend strongly to the host material and its fabrication strategy.

激光晶体的效率在很大程度上依赖于某些属性，这些属性不仅限于其基本组成。这些特性决定了产生的激光光束的质量和随后的应用。

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-a few-amount laser obtain media and even three-degree attain media, a person generally needs to limit the length to a worth that is as well quick for successful pump absorption, as reabsorption effects would usually spoil the overall performance. For facet pumping, more factors come into Participate in; besides efficient pump absorption, it is important to acquire an acceptable spatial shape in the obtain profile.

主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。

In 2017, we formulated the entire world’s greatest Ti∶sapphire crystal (Φ235 mm), which supported The ten PW laser output of Shanghai Superintense Ultrafast Laser Facility. The event of Yb and Tm doped GdScO3 laser crystals with very extensive emission spectra drives the event of laser diode pumped ultrafast sound-point out lasers. With the rise in pulse Electricity, peak ability, and repetition level of good-state lasers, laser crystals will develop in the direction of more substantial measurements, bigger crystal quality, and controllable crucial functionality.

There is certainly a more info wide range of crystalline media, which may be grouped according to important atomic constituents and crystalline constructions. Some critical 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。