Facts About Laser Crystal Revealed

Facts About Laser Crystal Revealed

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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。

Furthermore, some versatility is missing in experiments if one particular simply cannot Check out absorbers with various thickness or doping concentration, for example, without the need of exchanging the laser crystal alone.

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

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Certainly, it is rather desirable that a specified crystal high quality is developed regularly, Even though diverse laser styles can have a different sensitivity to materials parameters.

亚稳态寿命也起着重要作用。较长的寿命允许更多的储能和实现粒子数反转的更高潜力，这对激光动作至关重要。

The host crystal is a great deal more than simply a way to repair the laser-Lively ions at particular positions in space. Quite a few Attributes with the host materials are 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。

For quasi-three-amount laser obtain media or maybe three-degree achieve media, one typically has to Restrict the length to a value which is way too shorter for effective pump absorption, as reabsorption results would in any other case spoil the functionality. For aspect pumping, more factors come into Participate click here in; Aside from efficient pump absorption, it is important to obtain an acceptable spatial form in the gain profile.

Various crystalline elements are incredibly different about their hardness as well as other properties, which establish with which strategies And just how very easily they may be cut and polished with high quality.

The medium should have a substantial transparency (very low absorption and scattering) inside the wavelength areas of pump and laser radiation, and excellent optical homogeneity. To some extent, this is dependent upon the caliber of the material, determined by particulars with the fabrication procedure.

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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。