New Step by Step Map For Nonlinear Crystal
New Step by Step Map For Nonlinear Crystal
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Various crystalline materials are very different relating to their hardness and also other Qualities, which establish with which techniques and how simply they can be Slash and polished with top quality.
The medium ought to have a significant transparency (very low absorption and scattering) in the wavelength locations of pump and laser radiation, and excellent optical homogeneity. To some extent, this is dependent upon the standard of the fabric, based on details on the fabrication course of action.
The host crystal is far more than simply a means to fix the laser-Lively ions at sure positions in space. Numerous properties of the host substance are crucial:
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 possible doping focus can count strongly about the host substance and its fabrication method.
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A substantial problems threshold with regards to pulse fluence or peak intensity could be essential for high-Strength 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 read more with the obtain medium are most useful depend upon various elements. The obtainable pump source (sort of laser diode or lamp) as well as envisaged pumping arrangement are important aspects, but the material by itself also has some affect. As an example, titanium–sapphire lasers should be pumped with higher intensities, for which the form of the transversely cooled rod, operated with fairly tiny pump and laser beam diameter, is more proper than e.
These tables incorporate only the most typical host crystals; numerous Other people exist, that happen to be significantly less usually employed.
The most common laser-Lively uncommon earth ions and host media together with some common emission wavelengths are proven in the following desk:
A handful of laser crystal supplies happen to be demonstrated exactly where some saturable absorber materials is incorporated for passive Q switching of the laser.
For many explanations, composite crystals are getting to be well-known. These Possess a spatially varying chemical composition and will be designed with Exclusive designs.
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。
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Laser crystals are optical crystals �?typically one crystals (monocrystalline optical materials) �?that are applied as get media for stable-state lasers. In most cases, they are doped with possibly trivalent exceptional earth ions or transition 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。