Laser Crystal for Dummies

Laser Crystal for Dummies

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为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。

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The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions in addition to the higher-condition lifetime.

GWU gives all popular laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and many others.) by using a broad assortment of specifications. Apart from the well-established resources, progressive crystals with excellent Homes like Yb:CALGO can open new horizons for demanding laser applications. Despite no matter whether particular person parts for R & D purposes are demanded or Price tag-economical numbers in little, medium or huge batches with in-time delivery with the generation line are necessary: GWU’s focused provider really helps to locate the ideal core factors for your software.

Of course, it is rather fascinating that a provided crystal high quality is produced constantly, Whilst distinct laser types may have a unique sensitivity to substance 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。

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-3-amount laser get media and even 3-stage gain media, a single usually really should limit the length to a price which can be much too limited for efficient pump absorption, as reabsorption consequences would in any other case spoil the general performance. For facet pumping, further concerns come into Engage in; Aside from successful pump absorption, it can be crucial to get an acceptable spatial form of your achieve profile.

材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 supplies laser crystal crystal progress optical effectiveness scarce earth ions changeover group ions 

The medium ought to have a higher transparency (lower absorption and scattering) from the wavelength locations of pump and laser radiation, and good optical homogeneity. To some extent, this is dependent upon the standard of the material, determined by facts click here from the fabrication method.

There is a variety of crystalline media, that may be grouped according to special atomic constituents and crystalline structures. 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。