The Single Best Strategy To Use For Laser Crystal
The Single Best Strategy To Use For Laser Crystal
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Laser modeling and simulation may be used to reliably decide the the best possible crystal Proportions, doping density And maybe values of extra 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 means to repair the laser-Lively ions at certain positions in House. A variety of properties in the host content are important:
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For quasi-a few-stage laser attain media or perhaps 3-amount get media, one particular frequently has to limit the duration to a value that's much too quick for productive pump absorption, as reabsorption outcomes would in any other case spoil the general performance. For facet pumping, additional factors arrive into Enjoy; Aside from economical pump absorption, it is crucial to obtain an appropriate spatial form of the attain profile.
g. a skinny disk. As another illustration, Q-switched lasers reach an increased population density while in the higher laser degree and they are consequently additional delicate to quenching results and Electricity transfer processes; for that reason, a lower doping density is usually suitable for website these equipment. For high-electricity lasers, lessen doping densities are frequently utilized to Restrict the density of heat era, Whilst thin-disk lasers operate most effective with extremely doped crystals. Quite a few laser merchandise never get to the whole performance potential simply because this sort of information haven't been appropriately labored out.
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A high hurt threshold when it comes to pulse fluence or peak depth could be important for prime-energy 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：
晶体生长 晶体加工 镀膜能�?品质管理 研发能力 新闻中心
It may be oriented for close to perpendicular incidence on the laser beam, or at Brewster's angle. It could be preset in certain solid mount which also acts as a heat sink. Bigger crystals are generally utilized for aspect pumping e.g. with large-energy diode bars.
The most typical laser-active rare earth ions and host media along with some regular emission wavelengths are demonstrated in the next table:
A handful of laser crystal materials happen to be demonstrated where by some saturable absorber materials is incorporated for passive Q switching of the laser.
Of course, it is very attractive that a given crystal top quality is developed persistently, Even though distinct laser patterns can have a different sensitivity to materials 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 idea, just one would not will need an additional saturable absorber crystal, making sure that one may possibly make more compact Q-switched laser setups with reduced inside parasitic losses. Having said that, unwelcome Uncomfortable side effects might also manifest, for instance obtaining unwelcome valence states of the concerned ions or Strength transfers.
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It is obvious that different applications lead to incredibly distinctive demands on laser gain media. For this reason, a broad array of different crystals are used, and building the best selection is essential for developing lasers with ideal effectiveness.
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。