The most typical laser-active uncommon earth ions and host media together with some common emission wavelengths are shown in the next table:

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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。

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Which geometry, dopant and doping focus with the get medium are most useful rely upon various components. The readily available pump resource (kind of laser diode or lamp) and also the envisaged pumping arrangement are important things, but the fabric alone also has some affect. As an example, titanium–sapphire lasers have to be pumped with superior intensities, for which the form of the transversely cooled rod, operated with somewhat modest pump and laser beam diameter, is more ideal than e.

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Of course, it is very attractive that a specified crystal high-quality is generated persistently, Despite the fact that distinct laser designs might have a distinct sensitivity to material parameters.

The utmost possible doping concentration can rely strongly on the host product and its fabrication method.

The host crystal is far more than simply a method to fix the laser-Lively ions at certain positions in Area. Several Qualities in the host substance are essential:

热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。

Those people surfaces which happen to be passed by the laser beam are Ordinarily both oriented at Laser Crystal Brewster's angle or have an anti-reflection coating.

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The medium should have a superior transparency (lower absorption and scattering) within the wavelength locations of pump and laser radiation, and excellent optical homogeneity. To some extent, this depends upon the standard of the fabric, determined by details on the fabrication procedure.

With that concept, a single will not want an extra saturable absorber crystal, in order that a single could make much more compact Q-switched laser setups with lower interior parasitic losses. On the other hand, undesirable Unwanted effects can also occur, for instance obtaining unwelcome valence states in the associated ions or Strength transfers.

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。