New Step by Step Map For Nonlinear Crystal
New Step by Step Map For Nonlinear Crystal
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Unique crystalline resources are certainly diverse concerning their hardness and other Houses, which establish with which solutions And exactly how very easily they are often cut and polished with top quality.
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 transition cross-sections of pump and laser transitions and likewise the higher-condition lifetime.
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For quasi-three-level laser obtain media or even three-degree attain media, a single frequently has to Restrict the size to a price which is as well limited for economical pump absorption, as reabsorption effects would or else spoil the performance. For facet pumping, extra factors appear into Enjoy; Other than efficient pump absorption, it is vital to obtain a suitable spatial form on the achieve profile.
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Furthermore, some overall flexibility is lost in experiments if a single are unable to Check out absorbers with distinctive thickness or doping focus, as an example, devoid of exchanging the laser crystal by 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 focus in the acquire medium are most useful depend upon numerous factors. The out there pump supply (type of laser diode or lamp) along with the envisaged pumping arrangement are important things, but the material by itself also has some impact. By way of example, titanium–sapphire lasers have to be pumped with significant intensities, for which the shape of the transversely cooled rod, operated with rather little pump and laser beam diameter, is much more correct than e.
These tables consist of only the commonest host crystals; lots of others exist, that are a lot less regularly employed.
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A couple of laser crystal elements happen to be demonstrated where some saturable absorber substance is integrated for passive Q switching of a laser.
Needless to say, it is vitally desirable that a given crystal good quality is manufactured continuously, although different laser types may have another sensitivity to material parameters.
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。
With that concept, one would not will need yet another saturable absorber crystal, in order that 1 may make more compact Q-switched laser setups with lessen inside parasitic losses. Nevertheless, undesirable side effects can also happen, such as getting undesirable valence states of the included ions or energy transfers.
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Laser crystals are optical crystals �?typically single crystals (monocrystalline optical elements) �?which happen to be utilized as gain media for stable-state lasers. Typically, They may be doped with possibly trivalent exceptional check here earth ions or changeover metal 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。