Facts About Nonlinear Crystal Revealed
Facts About Nonlinear Crystal Revealed
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Laser modeling and simulation can be used to reliably determine the the best possible crystal Proportions, doping density And perhaps values of further parameters.
人造红宝石激光晶体是首次实现激光输出的材料。可用焰熔法、提拉法或助熔剂法生产单晶。用提拉法容易获得大尺寸优质晶体。
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions and likewise the higher-condition lifetime.
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The maximum probable doping concentration can count strongly about the host substance and its fabrication system.
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A large destruction threshold regarding pulse fluence or peak depth is often vital for prime-Electricity 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 focus from the achieve medium are most useful count on quite a few things. The out there pump source (sort of laser diode or lamp) as well as envisaged pumping arrangement are important variables, but the material itself also has some influence. By way of example, titanium–sapphire lasers need to be pumped with large intensities, for which the shape of a transversely cooled rod, operated with rather small pump and laser beam diameter, is a lot more correct than e.
These tables consist of only the most typical host crystals; a lot of others exist, that happen to be significantly less routinely employed.
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Several laser crystal supplies have been demonstrated wherever read more some saturable absorber substance is included for passive Q switching of the laser.
For different factors, composite crystals are getting to be popular. These Have got a spatially different chemical composition and will be manufactured with special shapes.
You can find a wide array of crystalline media, which can be grouped according to special atomic constituents and crystalline constructions. Some important groups of crystals are:
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It is clear that various apps lead to quite different necessities on laser obtain media. For this reason, a wide assortment of various crystals are used, and building the proper alternative is essential for setting up lasers with ideal 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。