Laser Crystal - An Overview

Laser Crystal - An Overview

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Distinctive crystalline components are very diverse concerning their hardness together with other Qualities, which ascertain with which methods And the way conveniently they can be Minimize and polished with good quality.

The medium must have a high transparency (minimal absorption and scattering) during the wavelength regions of pump and laser radiation, and excellent optical homogeneity. To some extent, this will depend on the standard of the material, based on details from the fabrication approach.

The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions and in addition the higher-condition life time.

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。

The maximum doable doping concentration can rely strongly on the host content and its fabrication method.

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A higher damage threshold in terms of pulse fluence or peak intensity is more info often crucial for top-Electrical power amplifiers.

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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These tables comprise only the most common host crystals; quite a few Many others exist, that are less usually utilized.

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Some laser crystal components are already shown wherever some saturable absorber product is included for passive Q switching of the laser.

For numerous causes, composite crystals are becoming common. These Possess a spatially different chemical composition and may be created with Particular shapes.

You can find a wide array of crystalline media, which can be grouped in accordance to special atomic constituents and crystalline constructions. Some significant teams of crystals are:

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It is clear that unique apps result in incredibly different necessities on laser obtain media. Due to this, a broad vary of different crystals are employed, and generating the ideal option is important for developing lasers with optimum effectiveness.

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。