What Does Laser Crystal Mean?
What Does Laser Crystal Mean?
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Different crystalline elements are certainly different relating to their hardness and also other properties, which decide with which solutions And the way quickly they may be Lower and polished with top 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 way more than simply a means to fix the laser-active ions at specific positions in Place. Many Attributes of the host material are important:
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For quasi-3-degree laser acquire media or even a few-stage gain media, a single frequently really should limit the duration to a price and that is way too quick for efficient pump absorption, as reabsorption consequences would normally spoil the efficiency. For side pumping, more factors come into Enjoy; Apart from efficient pump absorption, it is crucial to obtain an acceptable spatial shape of your achieve profile.
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A superior hurt threshold in terms of pulse fluence or peak depth can be critical for top-Vitality amplifiers.
These ions help the crystal to amplify mild for the laser wavelength by way of stimulated emission, when Electricity is supplied for the crystal by using absorption of pump light (�?optical pumping
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These tables consist of only the commonest host crystals; quite a few Many others exist, which happen to be fewer commonly applied.
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A couple of laser crystal resources have already been demonstrated in which some saturable absorber content is integrated for passive Q switching of a laser.
For numerous factors, composite crystals are becoming popular. These Have got a spatially different chemical composition and may be designed with Exclusive designs.
There is certainly a variety of crystalline media, which may be grouped in accordance to big atomic constituents and crystalline buildings. Some crucial teams of crystals are:
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Laser crystals are optical crystals �?typically solitary crystals (monocrystalline optical components) �?which are applied as acquire media for stable-state lasers. Usually, they are doped with both trivalent uncommon earth ions or transition metal 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。