Little Known Facts About Laser Crystal.

Little Known Facts About Laser Crystal.

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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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作为工业上使用较多的都是高掺钇铝石榴石，也就是说掺入不同的元素来达到不同的效果；作为工业激光，关注以下性能：

GWU delivers all widespread laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and many others.) by using a broad variety of technical specs. Moreover the well-established components, modern crystals with outstanding Attributes like Yb:CALGO can open up new horizons for demanding laser purposes. It does not matter no matter whether individual parts for R & D functions are expected or Charge-successful figures in compact, medium or huge batches with in-time shipping and delivery for your generation line are wanted: GWU’s devoted company helps you to locate the greatest Main factors for your personal application.

活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。

g. a skinny disk. As A further example, Q-switched lasers attain a higher inhabitants density during the upper laser degree and so are hence much more sensitive to quenching effects and Strength transfer procedures; hence, a decreased doping density is often suitable for these devices. For top-electrical power lasers, reduced doping densities are sometimes accustomed to limit the density of warmth technology, Though slim-disk lasers operate finest with remarkably doped crystals. Lots of laser items will not reach the entire performance potential due to the fact this kind of particulars have not been properly worked out.

The host crystal is much more than simply a way to fix the laser-Lively ions at selected positions in Place. A variety of Attributes of your host material are essential:

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-three-degree laser acquire media or perhaps a few-degree obtain media, a person generally has to Restrict the length to a worth and that is also shorter for economical pump absorption, as reabsorption consequences would usually spoil the effectiveness. For facet pumping, additional concerns arrive into Enjoy; Moreover productive pump absorption, it is necessary to get a suitable spatial form of your get 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。

The medium ought to have a large transparency (very low absorption and scattering) while in the wavelength regions of pump and laser radiation, and superior optical homogeneity. To some extent, this will depend on the quality of the material, based on facts in the fabrication process.

There's an array of crystalline media, which can be grouped according to important atomic constituents website and crystalline constructions. Some critical groups of crystals are:

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