The smart Trick of Laser Crystal That Nobody is Discussing
The smart Trick of Laser Crystal That Nobody is Discussing
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Distinct crystalline materials are really distinct about their hardness and also other Qualities, which decide with which techniques And exactly how very 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 transition cross-sections of pump and laser transitions and in addition the higher-condition 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。
The most achievable doping focus can depend strongly to the host materials and its fabrication system.
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A high problems threshold with regards to pulse fluence or peak depth may be significant for high-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
These tables include only the most common host crystals; quite a few Many others exist, that happen to be significantly less frequently utilised.
The most common laser-active unusual earth ions and host media along with some regular emission wavelengths are shown in the subsequent table:
These surfaces which are handed from the laser beam are Generally possibly oriented at Brewster's angle or have an anti-reflection coating.
For different causes, composite crystals are becoming preferred. These Have a very spatially various chemical composition and might be created with Particular shapes.
There may be a wide range of crystalline media, which may be grouped according to big atomic constituents and crystalline constructions. Some important teams of crystals are:
With That idea, one doesn't need an extra saturable absorber crystal, so that 1 might make extra compact Q-switched laser setups with reduce inner parasitic losses. Having said that, undesirable Unwanted effects may additionally occur, including obtaining unwelcome valence states website with the concerned ions or Power transfers.
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It is obvious that different apps lead to pretty unique demands on laser attain media. Because of this, a broad assortment of various crystals are used, and producing the right alternative is important for constructing lasers with the best possible performance.
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。