The Nonlinear Crystal Diaries
The Nonlinear Crystal Diaries
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Distinctive crystalline elements are really diverse concerning their hardness as well as other Attributes, which decide with which procedures And the way easily they are often cut and polished with high 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 changeover cross-sections of pump and laser transitions and likewise the upper-state life span.
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。
For quasi-a few-level laser get media or perhaps 3-amount acquire media, just one frequently has to limit the duration to a worth which can be much too brief for successful pump absorption, as reabsorption consequences would in any other case spoil the general performance. For side pumping, further issues appear into Enjoy; Other than economical pump absorption, it's important to obtain a suitable spatial shape of your attain profile.
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A higher damage threshold with regards to pulse fluence or peak depth might be important for top-Vitality 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 could be oriented for in the vicinity of perpendicular incidence from the laser beam, or at Brewster's angle. It can be fixed in a few good mount which also functions like a warmth sink. More substantial crystals are frequently utilized for facet pumping e.g. with significant-ability diode bars.
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A couple of laser crystal resources happen to be demonstrated the place some saturable absorber product is included for passive Q switching of the laser.
For several causes, composite crystals are getting to be well known. These Have a very spatially different chemical composition and may be produced with Exclusive designs.
You can find a wide array of crystalline media, that may be grouped according read more to special atomic constituents and crystalline buildings. Some important teams of crystals are:
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GWU gives all popular laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and so forth.) having a wide assortment of specifications. Other than the effectively-proven elements, ground breaking crystals with remarkable Houses like Yb:CALGO can open up new horizons for demanding laser programs. Irrespective of whether or not specific items for R & D applications are expected or Price tag-efficient figures in small, medium or big batches with in-time shipping for the output line are wanted: GWU’s committed assistance really helps to discover the ideal core elements for your personal software.
Laser crystals are optical crystals �?typically one crystals (monocrystalline optical resources) �?that are utilized as get media for solid-condition lasers. Normally, They may be doped with either trivalent exceptional 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。