The 5-Second Trick For Laser Crystal
The 5-Second Trick For Laser Crystal
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Laser modeling and simulation can be utilized to reliably ascertain the ideal crystal Proportions, doping density and possibly 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 far more than just a way to fix the laser-Energetic ions at selected positions in House. Numerous Homes on 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 most attainable doping focus can depend strongly to the host materials and its fabrication system.
g. a thin disk. As One more example, Q-switched lasers get to the next population density while in the higher laser level and so are hence much more delicate to quenching consequences and energy transfer processes; for that reason, a lower doping density is usually appropriate for these products. For top-power lasers, reduced doping densities are sometimes used to limit the density of heat era, Whilst slender-disk lasers function greatest with hugely doped crystals. Quite a few laser products do not reach the complete efficiency likely mainly because these aspects haven't been adequately labored out.
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A large damage threshold concerning pulse fluence or peak depth can be important 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 from the attain medium are most advantageous rely upon a number of elements. The readily available pump resource (sort of laser diode or lamp) and also the envisaged pumping arrangement are very important things, but the fabric by itself also has some impact. Such as, titanium–sapphire lasers have to be pumped with substantial intensities, for which the shape of the transversely cooled rod, operated with comparatively tiny pump and laser beam diameter, is much more proper than e.
These tables contain only the most typical host crystals; quite a few Some others exist, which happen to be much less frequently employed.
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Those people surfaces that are handed via the laser beam are normally possibly oriented at Brewster's angle or have an anti-reflection coating.
For numerous good reasons, composite crystals are becoming well known. These have a spatially various chemical composition and will be produced with Exclusive shapes.
There exists a variety of crystalline media, which may be grouped in accordance to special atomic constituents and crystalline buildings. Some crucial teams of crystals are:
With that concept, just one does not want a further saturable absorber crystal, so that 1 may possibly make additional compact Q-switched laser setups with lower internal parasitic losses. Nonetheless, undesirable side effects might also happen, including acquiring unwanted valence states from the concerned ions or Power transfers.
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Laser crystals are optical crystals �?commonly single crystals (monocrystalline optical components) �?which are employed as get media for solid-state lasers. Usually, They are really doped with either click here trivalent uncommon earth ions or transition steel 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。