The Single Best Strategy To Use For Laser Crystal

The Single Best Strategy To Use For Laser Crystal

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The most typical laser-active scarce earth ions and host media along with some normal emission wavelengths are shown in the following desk:

These ions allow the crystal to amplify light in the laser wavelength by means of stimulated emission, when Vitality is equipped into the crystal by means of absorption of pump mild (�?optical pumping

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。

Additionally, some versatility is misplaced in experiments if just one cannot Check out absorbers with unique thickness or doping concentration, by way of example, with no exchanging the laser crystal alone.

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：

激光晶体由发光中心和基质晶体两部分组成。大部分激光晶体的发光中心由激活离子构成，激活离子部分取代基质晶体中的阳离子形成掺杂型激光晶体。激活离子成为基质晶体组分的一部分时，则构成自激活激光晶体。

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。

The maximum attainable doping focus can count strongly around the host material and its fabrication technique.

Laser modeling and simulation can be employed to reliably figure out the ideal crystal dimensions, doping density And perhaps values of more parameters.

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-three-stage laser attain media or perhaps 3-stage attain media, one typically really should Restrict the duration to a value which can be far too short for read more effective pump absorption, as reabsorption results would in any other case spoil the functionality. For aspect pumping, added issues arrive into Perform; Apart from effective pump absorption, it is vital to obtain a suitable spatial form on the obtain profile.

材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 components laser crystal crystal development optical performance unusual earth ions transition group ions 

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There's a variety of crystalline media, which can be grouped according to special atomic constituents and crystalline buildings. Some crucial groups of crystals are:

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。