About Laser Crystal
About Laser Crystal
Blog Article
The most common laser-Energetic scarce earth ions and host media along with some typical emission wavelengths are shown in the following table:
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Furthermore, some versatility is missing in experiments if a person simply cannot try out absorbers with diverse thickness or doping focus, one example is, devoid of exchanging the laser crystal alone.
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions as well as the upper-state 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。
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。
Laser modeling and simulation may be used to reliably determine the ideal crystal Proportions, doping density and possibly values of added parameters.
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For quasi-a few-level laser get media as well as a few-degree get media, 1 generally must limit the size to a worth which can be far too brief for productive pump absorption, as reabsorption consequences would otherwise spoil the functionality. For aspect pumping, more considerations come into Perform; Apart from successful pump absorption, it can be crucial to acquire an acceptable 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 products laser crystal crystal growth optical efficiency rare earth ions transition team ions
The medium should have a significant transparency (reduced absorption and scattering) from the wavelength regions of pump and laser radiation, and fantastic optical homogeneity. To some extent, this depends upon the standard of the material, based on details in the fabrication system.
With that concept, a single isn't going to have to have a further saturable absorber crystal, in order that 1 could make additional compact Q-switched laser setups with reduced interior parasitic losses. Having said that, undesired Unwanted side effects can also occur, like getting undesirable valence states of the associated ions or Electricity transfers.
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