What Does Laser Crystal Mean?
What Does Laser Crystal Mean?
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Laser modeling and simulation can be utilized to reliably determine the the best possible crystal dimensions, doping density And maybe values of more 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 a lot more than simply a way to repair the laser-Lively ions at sure positions in space. Numerous Homes on the host substance are crucial:
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For quasi-three-amount laser attain media or maybe 3-degree acquire media, one often really should Restrict the length to a worth and that is way too quick for efficient pump absorption, as reabsorption consequences would normally spoil the functionality. For side pumping, more issues come into Enjoy; Apart from effective pump absorption, it is important to acquire a suitable spatial condition in the attain profile.
g. a thin disk. As another instance, Q-switched lasers get to a higher populace density in the upper laser level and are for that reason extra sensitive to quenching results and energy transfer processes; consequently, a decreased doping density is commonly appropriate for these devices. For top-electricity lasers, lessen doping densities are sometimes utilized to Restrict the density of warmth technology, Even though skinny-disk lasers operate greatest with remarkably doped crystals. Lots of laser goods usually do not get to the total overall performance probable since these specifics have not been correctly worked out.
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A significant hurt threshold regarding pulse fluence or peak intensity is usually crucial for top-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 focus of the acquire medium are most advantageous count on several factors. The obtainable pump source (variety of laser diode or lamp) as well as the envisaged pumping arrangement are very important components, but the fabric alone also has some influence. By way of example, titanium–sapphire lasers ought to be pumped with higher intensities, for which the form of the transversely cooled rod, operated with rather compact pump and laser beam diameter, is much more ideal than e.
It might be oriented for near perpendicular incidence from the laser beam, or at Brewster's angle. It can be fastened in some solid mount which also functions being a heat sink. Bigger crystals are generally utilized for aspect pumping e.g. with substantial-power diode bars.
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Those surfaces which might be handed with the laser beam are Typically both oriented at Brewster's angle or have an anti-reflection coating.
Obviously, it is vitally desirable that a supplied crystal good quality is created continuously, Though unique laser patterns may have a special sensitivity to content 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。
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GWU provides all widespread here laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and many others.) which has a wide range of requirements. Moreover the very well-proven supplies, impressive crystals with fantastic Homes like Yb:CALGO can open new horizons for demanding laser purposes. It doesn't matter whether unique items for R & D functions are essential or Value-successful figures in modest, medium or huge batches with in-time delivery for that manufacturing line are required: GWU’s focused provider helps to discover the very best Main elements for your software.
Laser crystals are optical crystals �?normally one crystals (monocrystalline optical components) �?which are utilised as gain media for reliable-condition lasers. Normally, They are really doped with either trivalent scarce 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。