The Nonlinear Crystal Diaries
The Nonlinear Crystal Diaries
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Laser modeling and simulation can be utilized to reliably establish the ideal crystal dimensions, doping density And maybe values of supplemental 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 crystal is considerably more than simply a means to repair the laser-Energetic ions at selected positions in House. Numerous properties on the host substance are important:
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 rely strongly within the host material and its fabrication method.
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On top of that, some adaptability is shed in experiments if one cannot Check out absorbers with distinct thickness or doping focus, for instance, without having exchanging the laser crystal itself.
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 get medium are most advantageous depend upon numerous factors. The accessible pump source (variety of laser diode or lamp) as well as envisaged pumping arrangement are essential components, but the material itself also has some influence. One example is, titanium–sapphire lasers have to be pumped with substantial intensities, for which the form of a transversely cooled rod, operated with rather tiny pump and laser beam diameter, is much more correct than e.
These tables consist of only the most typical host crystals; many Other folks exist, which might be considerably less routinely made use of.
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All those surfaces which might be passed through the laser beam are Ordinarily both oriented at Brewster's angle or have an anti-reflection read more coating.
For a variety of motives, composite crystals have gotten well-liked. These Have a very spatially different chemical composition and might be built with Distinctive 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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GWU features all prevalent laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and many others.) by using a wide assortment of specifications. Besides the perfectly-founded supplies, innovative crystals with remarkable Qualities like Yb:CALGO can open new horizons for demanding laser purposes. Despite whether or not unique pieces for R & D uses are needed or Value-economical numbers in modest, medium or significant batches with in-time delivery to the output line are needed: GWU’s dedicated support helps you to discover the ideal Main parts in your software.
It is clear that unique apps result in very distinctive demands on laser obtain media. Because of this, a wide selection of different crystals are utilised, and creating the appropriate decision is important for setting up lasers with the best possible efficiency.
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。