Various crystalline products are very unique about their hardness along with other Homes, which establish with which techniques And just how very easily they may be Slash and polished with good 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 crystal is far more than just a means to fix the laser-Energetic ions at particular positions in Place. Several Houses of the host product are essential:
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For quasi-a few-level laser attain media as well as three-level obtain media, one particular usually has to limit the duration to a price which can be way too limited for productive pump absorption, as reabsorption consequences would otherwise spoil the general performance. For aspect pumping, added criteria appear into Engage in; Moreover efficient pump absorption, it is vital to acquire an appropriate spatial shape of your acquire profile.
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Additionally, some overall flexibility is missing in experiments if just click here one can't try out absorbers with distinct thickness or doping concentration, by way of example, devoid of exchanging the laser crystal alone.
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 have only the most typical host crystals; lots of Other folks exist, that happen to be fewer frequently utilised.
The most typical laser-Energetic rare earth ions and host media along with some usual emission wavelengths are revealed in the next table:
A handful of laser crystal materials happen to be demonstrated in which some saturable absorber materials is incorporated for passive Q switching of a laser.
Naturally, it is rather appealing that a specified crystal quality is developed constantly, Though unique laser types may have a unique sensitivity to content parameters.
There's a variety of crystalline media, which can be grouped according to important atomic constituents and crystalline constructions. Some important groups of crystals are:
With that concept, one particular won't want an extra saturable absorber crystal, making sure that a single may well make a lot more compact Q-switched laser setups with lower internal parasitic losses. Having said that, undesired Unintended effects may manifest, such as obtaining undesirable valence states in the associated ions or Strength transfers.
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It is obvious that distinct applications lead to extremely distinctive necessities on laser obtain media. Due to this, a broad vary of various crystals are utilised, and making the best alternative is important for constructing lasers with the best possible 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。