The Basic Principles Of Laser Crystal

The Basic Principles Of Laser Crystal

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The commonest laser-Energetic unusual earth ions and host media together with some typical emission wavelengths are demonstrated in the next desk:

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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。

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Which geometry, dopant and doping concentration of the gain medium are most advantageous depend on several things. The available pump resource (style of laser diode or lamp) plus the envisaged pumping arrangement are very important variables, but the material alone also has some affect. For instance, titanium–sapphire lasers need to be pumped with higher intensities, for which the shape of a transversely cooled rod, operated with relatively smaller pump and laser beam diameter, is more correct than e.

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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 can be used to reliably identify the optimum crystal Proportions, doping density and possibly values of additional parameters.

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For quasi-a few-amount laser achieve media or perhaps 3-stage gain media, one typically must Restrict the duration to a value that's much too quick for successful click here pump absorption, as reabsorption effects would in any other case spoil the general performance. For aspect pumping, supplemental concerns appear into play; In addition to productive pump absorption, it is crucial to acquire an appropriate spatial form on the get profile.

材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 materials laser crystal crystal progress optical effectiveness exceptional earth ions changeover team ions 

The medium ought to have a superior transparency (lower absorption and scattering) within the wavelength areas of pump and laser radiation, and great optical homogeneity. To some extent, this relies on the quality of the material, based on details on the fabrication process.

With That idea, one particular won't will need a further saturable absorber crystal, to ensure a single might make extra compact Q-switched laser setups with decreased inner parasitic losses. Nonetheless, unwelcome side effects may take place, such as acquiring unwanted valence states on the involved ions or Electricity 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。