Laser Crystal No Further a Mystery
Laser Crystal No Further a Mystery
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These tables have only the most typical host crystals; a lot of Other folks exist, which are a lot less often employed.
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Laser crystals are optical crystals �?normally solitary crystals (monocrystalline optical supplies) �?which happen to be utilised as obtain media for reliable-condition lasers. Usually, they are doped with either trivalent exceptional earth ions or changeover steel ions.
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The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions and also the higher-point out lifetime.
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。
A higher surface quality is certainly essential. Technical specs of area flatness will often be much better than . This can help to stop equally scattering more info losses and wavefront distortions which might degrade the laser's beam quality. Also, scratch and dig specs
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 handful of laser crystal materials have been shown where by some saturable absorber product is included for passive Q switching of the laser.
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。
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主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。
The medium ought to have a higher transparency (very low absorption and scattering) while in the wavelength locations of pump and laser radiation, and fantastic optical homogeneity. To some extent, this relies on the caliber of the material, determined by information of your fabrication course of action.
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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。