The Ultimate Guide To Laser Crystal
The Ultimate Guide To Laser Crystal
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Laser crystals are optical crystals �?typically one crystals (monocrystalline optical components) �?that happen to be used as obtain media for stable-point out lasers. Most often, These are doped with possibly trivalent uncommon earth ions or transition metal ions.
激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
Which geometry, dopant and doping concentration from the gain medium are most useful depend upon numerous factors. The out there pump supply (kind of laser diode or lamp) and also the envisaged pumping arrangement are crucial variables, 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 form of a transversely cooled rod, operated with rather more info tiny pump and laser beam diameter, is a lot more suitable than e.
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。
Certainly, it is vitally attractive that a supplied crystal good quality is developed constantly, Even though different laser layouts may have a different sensitivity to product parameters.
亚稳态寿命也起着重要作用。较长的寿命允许更多的储能和实现粒子数反转的更高潜力，这对激光动作至关重要。
Laser modeling and simulation can be used to reliably identify the ideal crystal Proportions, doping density and possibly values of more parameters.
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For quasi-a few-stage laser attain media or simply 3-amount obtain media, 1 normally has to Restrict the length to a price that is far too brief for successful pump absorption, as reabsorption effects would in any other case spoil the performance. For side pumping, more considerations arrive into Engage in; Apart from productive pump absorption, it is important to obtain an acceptable spatial condition in the achieve profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 resources laser crystal crystal advancement optical efficiency exceptional earth ions changeover team ions
The medium ought to have a substantial transparency (lower absorption and scattering) inside the wavelength locations of pump and laser radiation, and excellent optical homogeneity. To some extent, this depends on the caliber of the material, determined by aspects in the fabrication system.
With That idea, one does not need yet another saturable absorber crystal, to make sure that just one may possibly make a lot more compact Q-switched laser setups with reduced internal parasitic losses. Having said that, undesired Unwanted effects can also occur, for instance acquiring unwanted valence states from the included ions or energy transfers.
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。