Laser Crystal - An Overview

Laser Crystal - An Overview

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These ions allow the crystal to amplify light-weight with the laser wavelength by way of stimulated emission, when energy is provided towards the crystal by means of absorption of pump gentle (�?optical pumping

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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。

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：

晶体生长 晶体加工 镀膜能�?品质管理 研发能力 新闻中心

A substantial floor excellent is certainly critical. Requirements of surface area flatness are sometimes much better than . This will help to stop equally scattering losses and wavefront distortions which often can degrade the laser's beam good quality. Furthermore, scratch and dig specifications

g. a skinny disk. As another instance, Q-switched lasers get to an increased inhabitants density in the upper laser level and therefore are for that reason more sensitive to quenching effects and Strength transfer processes; for that reason, a decreased doping density is commonly suitable for these units. For prime-electrical power lasers, reduced doping densities are frequently used to Restrict the density of warmth generation, although slender-disk lasers operate most effective with remarkably doped crystals. Many laser merchandise tend not to reach the whole functionality possible because these particulars haven't been correctly worked out.

The host crystal is much more than just a means to fix the laser-active ions at specific positions in Place. A variety of Attributes of the host material are important:

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For quasi-a few-degree laser attain media as well as a few-degree get media, a single normally has to Restrict the duration to a value that's much too brief for successful pump absorption, as reabsorption consequences would or else spoil the functionality. For facet pumping, supplemental concerns arrive into Engage in; Moreover economical pump absorption, it is important to obtain a suitable spatial condition on the get profile.

Diverse crystalline materials are quite different regarding their hardness and read more various properties, which decide with which solutions and how very easily they are often Slice and polished with top quality.

For several motives, composite crystals have become preferred. These Use a spatially varying chemical composition and might be created with special designs.

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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。