The Single Best Strategy To Use For Laser Crystal

The Single Best Strategy To Use For Laser Crystal

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The most common laser-active rare earth ions and host media along with some standard emission wavelengths are revealed in the next desk:

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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。

Also, some versatility is dropped in experiments if a person can't try out absorbers with different thickness or doping focus, for instance, without exchanging the laser crystal by itself.

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：

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A large surface area excellent is certainly important. Specifications of surface flatness tend to be better than . This assists to prevent both scattering losses and wavefront distortions which can degrade the laser's beam quality. On top of that, scratch and dig requirements

g. a thin disk. As Yet another illustration, Q-switched lasers arrive at a higher population density from the higher laser amount and they are consequently a lot more sensitive to quenching results and Vitality transfer processes; as a result, a decrease doping density is usually appropriate for these gadgets. For high-power lasers, lower doping densities are often utilized to Restrict the density of warmth technology, Despite the fact that skinny-disk lasers function best with really doped crystals. Quite a few laser merchandise don't get to the total efficiency potential mainly because this sort of aspects have not been adequately worked out.

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。

激光晶体的核心由固态晶体材料组成，通常掺杂了某些能够通过受激发射产生光放大的离子。这些离子的性质对激光晶体的性能起决定作用。

For quasi-a few-degree laser attain media and even a few-level get media, 1 typically needs to limit the size to a price which is also small for effective pump absorption, as reabsorption results would otherwise spoil the functionality. For aspect pumping, more considerations come into Perform; Apart from productive pump absorption, it can be crucial to acquire an appropriate spatial form with the get profile.

Distinct crystalline products are quite various relating to their hardness as well as other Houses, which determine with which procedures and how simply they may be Lower and polished with high quality.

For many good reasons, composite crystals have become well-liked. These have a spatially various chemical composition and will be designed with Exclusive designs.

It may be oriented for close to perpendicular incidence from the laser beam, or at Brewster's angle. It may be set in some strong mount which also acts as a warmth sink. Larger sized crystals are usually useful for facet pumping e.g. with superior-ability diode bars.

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