A Simple Key For Laser Crystal Unveiled
A Simple Key For Laser Crystal Unveiled
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Different crystalline resources are quite different relating to their hardness and also other Attributes, which figure out with which procedures and how simply they may be Reduce 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 as well as the upper-condition 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。
The maximum attainable doping focus can depend strongly about the host substance and its fabrication method.
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Additionally, some adaptability is dropped in experiments if a single are unable to try out absorbers with unique thickness or doping concentration, by way of example, with out 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：
Which geometry, dopant and doping concentration from the achieve medium are most useful rely on numerous factors. The accessible pump supply (form of laser diode or lamp) as well as envisaged pumping arrangement are crucial factors, but the material itself also has some impact. Such as, titanium–sapphire lasers have to be pumped with high intensities, for which the form of a transversely cooled rod, operated with fairly small pump and laser beam diameter, is more correct than e.
It might be oriented for in close proximity to perpendicular incidence of your laser beam, or at Brewster's angle. It may be preset in a few stable mount which also acts for a heat sink. Much larger crystals tend to be useful for aspect pumping e.g. with higher-electrical power diode bars.
The commonest laser-Energetic rare earth ions and host media along with some common emission wavelengths are demonstrated in the following table:
A number of laser crystal components have already been demonstrated where some saturable absorber content is incorporated for passive Q switching of a laser.
For several factors, composite crystals have gotten popular. These Have a very spatially various chemical composition and can be built with Exclusive shapes.
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, just one doesn't will need yet another saturable absorber crystal, to make sure that a single might make far more compact Q-switched laser setups with lessen internal parasitic losses. Even so, unwelcome Unwanted effects could also occur, such as obtaining unwanted valence states of the get more info included ions or Electrical power transfers.
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Laser crystals are optical crystals �?generally one crystals (monocrystalline optical components) �?which happen to be utilized as get media for solid-condition lasers. Typically, They're doped with both trivalent exceptional earth ions or changeover metallic 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。