Rumored Buzz on Nonlinear Crystal
Rumored Buzz on Nonlinear Crystal
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Diverse crystalline supplies are really distinct about their hardness and also other properties, which establish with which methods And the way quickly they can be Lower and polished with high quality.
The medium ought to have a large transparency (very low absorption and scattering) during the wavelength regions of pump and laser radiation, and excellent optical homogeneity. To some extent, this relies on the quality of the material, determined by specifics with the fabrication system.
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions in addition to the upper-point out life span.
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The most feasible doping focus can depend strongly about the host material and its fabrication strategy.
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A large destruction threshold regarding pulse fluence or peak depth could be vital for prime-Electrical power 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 in the attain medium are most advantageous depend upon quite a few elements. The offered pump resource (type of laser diode or lamp) as well as the envisaged pumping arrangement are very important things, but the material itself also has some influence. By way of example, titanium–sapphire lasers should be pumped with superior intensities, for which the form of a transversely cooled rod, operated with comparatively modest pump and laser beam diameter, is much more ideal than e.
These tables contain only the most common host crystals; many others exist, which are less routinely made use of.
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Those surfaces which might be passed because of the laser beam are Usually possibly oriented at Brewster's angle or have an anti-reflection coating.
Naturally, it is extremely fascinating that a specified crystal high quality is developed continually, although various laser patterns may have a unique sensitivity to product parameters.
There's an array of crystalline media, click here which may be grouped according to special atomic constituents and crystalline constructions. Some critical teams of crystals are:
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It is apparent that various apps bring on pretty various needs on laser get media. Due to this, a wide variety of different crystals are utilized, and producing the best alternative is important for developing lasers with the best possible performance.
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。