Laser Crystal - An Overview
Laser Crystal - An Overview
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These tables incorporate only the most common host crystals; quite a few Other folks exist, which can be less routinely utilised.
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。
Laser crystals are optical crystals �?generally single crystals (monocrystalline optical materials) �?which happen to be applied as achieve media for strong-point out lasers. Normally, These are doped with both trivalent rare earth ions or transition metallic ions.
激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
Which geometry, dopant and doping focus from the get medium are most useful depend on numerous aspects. The accessible pump source (form of laser diode or lamp) plus the envisaged pumping arrangement are crucial things, but the fabric by itself also has some affect. By way of example, titanium–sapphire lasers must be pumped with significant intensities, for which the form of a transversely cooled rod, operated with fairly compact pump and laser beam diameter, is more appropriate than e.
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。
Of course, it is extremely fascinating that a supplied crystal high-quality is produced consistently, Even though distinctive laser layouts can have a different sensitivity to materials parameters.
The most attainable doping concentration can depend strongly to the host product and its fabrication process.
激光晶体的效率在很大程度上依赖于某些属性，这些属性不仅限于其基本组成。这些特性决定了产生的激光光束的质量和随后的应用。
量子效率是发射光子数量与吸收光子数量的比率。高量子效率表明更大部分吸收能量被转化为激光光束，有助于提高激光的整体效率。
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材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 elements laser crystal crystal growth optical functionality rare earth ions transition team ions
The medium ought to have a large transparency (lower absorption and scattering) in the wavelength regions of pump and laser radiation, and excellent optical homogeneity. To some extent, this relies on the standard of read more the material, based on specifics in the fabrication method.
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