The commonest laser-Energetic exceptional earth ions and host media along with some usual emission wavelengths are revealed in the subsequent table:

激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。

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In addition, some flexibility is dropped in experiments if just one can not try out absorbers with various thickness or doping focus, such as, with no exchanging the laser crystal alone.

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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。

激光晶体的损伤阈值与其能承受的最大光强有关，而不会遭受物理或结构损伤。高损伤阈值对于确保高功率激光应用的耐久性和长寿命至关重要。

亚稳态寿命也起着重要作用。较长的寿命允许更多的储能和实现粒子数反转的更高潜力，这对激光动作至关重要。

A few laser crystal components are shown where some saturable absorber material is included check here for passive Q switching of the laser.

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-degree laser acquire media as well as a few-level achieve media, one particular usually has to limit the size to a price which happens to be way too limited for effective pump absorption, as reabsorption effects would in any other case spoil the overall performance. For aspect pumping, extra considerations arrive into play; besides effective pump absorption, it's important to obtain an acceptable spatial form on the gain profile.

Unique crystalline elements are really unique concerning their hardness together with other Houses, which figure out with which methods and how conveniently they are often cut and polished with good quality.

The medium must have a large transparency (lower absorption and scattering) in the wavelength areas of pump and laser radiation, and excellent optical homogeneity. To some extent, this is dependent upon the caliber of the material, based on aspects in the fabrication approach.

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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。