The smart Trick of Laser Crystal That Nobody is Discussing
The smart Trick of Laser Crystal That Nobody is Discussing
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Different crystalline resources are incredibly different regarding their hardness as well as other Houses, which determine with which approaches And exactly how very easily they are often cut and polished with good quality.
The medium must have a superior transparency (minimal absorption and scattering) while in the wavelength locations of pump and laser radiation, and good optical homogeneity. To some extent, this is dependent upon the standard of the fabric, 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 upper-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 around the host substance and its fabrication method.
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A higher problems threshold concerning pulse fluence or peak depth might be essential for top-Vitality 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：
Which geometry, dopant and doping concentration of your obtain medium are most beneficial depend upon various components. The available pump resource (form of laser diode or lamp) and also the envisaged pumping arrangement are important factors, but the fabric alone also has some affect. For instance, titanium–sapphire lasers ought to be pumped with high intensities, for which the form of the transversely cooled rod, operated with reasonably compact pump and laser beam diameter, is a lot more suitable than e.
These tables include only the commonest host crystals; numerous Some others exist, which can be much less commonly used.
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Individuals surfaces which might be passed by the laser beam are normally either oriented at Brewster's angle or have an anti-reflection coating.
Certainly, it is rather desirable that a provided crystal quality is made continually, Even though distinct laser designs might have a unique sensitivity to material parameters.
There is a wide array of crystalline media, which can be grouped in accordance to special atomic constituents and crystalline constructions. Some essential teams of crystals are:
蓝宝�?柱面�?球罩 偏振�?棱镜 红外光学元件 反射�?光学窗口 非球面镜 波片 分光�?制造能力
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Laser crystals are optical crystals �?commonly single crystals (monocrystalline optical components) �?which happen to be employed as get media for solid-condition lasers. Typically, they are doped with either trivalent unusual earth ions or changeover metallic ions.
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。