The Nonlinear Crystal Diaries
The Nonlinear Crystal Diaries
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Laser modeling and simulation can be utilized to reliably identify the ideal crystal dimensions, doping density And maybe values of further 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 medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions in addition to the upper-state life time.
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-3-degree laser attain media or even three-level obtain media, a single usually needs to Restrict the length to a worth and that is much too small for economical pump absorption, as reabsorption effects would otherwise spoil the overall performance. For side pumping, extra considerations occur into Engage in; Moreover effective pump absorption, it is important to get a suitable spatial shape of your obtain profile.
g. a thin disk. As An additional example, Q-switched lasers achieve a better population density in the upper laser amount and are therefore extra sensitive to quenching consequences and Electricity transfer processes; consequently, a lower doping density is frequently appropriate for these equipment. For top-energy lasers, decrease doping densities will often be utilized to Restrict the density of heat technology, Though thin-disk lasers get the job done finest with highly doped crystals. A lot of laser merchandise will not reach the comprehensive general performance opportunity simply because website these types of facts haven't been appropriately labored out.
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A large injury threshold in terms of pulse fluence or peak intensity is often critical for high-Strength 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
These tables include only the commonest host crystals; many Many others exist, that happen to be significantly less frequently used.
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People surfaces which are handed by the laser beam are Ordinarily either oriented at Brewster's angle or have an anti-reflection coating.
Needless to say, it's very fascinating that a supplied crystal quality is developed consistently, although diverse laser models may have a distinct 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。
With That idea, one isn't going to will need an extra saturable absorber crystal, to ensure a single could make extra compact Q-switched laser setups with reduced inside parasitic losses. Nonetheless, unwelcome Uncomfortable side effects may also come about, including getting unwelcome valence states of the included ions or Electrical power transfers.
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It is obvious that distinctive applications bring about incredibly different needs on laser get media. For that reason, a wide range of different crystals are utilised, and making the appropriate option is essential for constructing lasers with optimum efficiency.
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。