Considerations To Know About Laser Crystal
Considerations To Know About Laser Crystal
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The most common laser-Lively rare earth ions and host media together with some normal emission wavelengths are revealed in the following desk:
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Laser crystals are optical crystals �?commonly one crystals (monocrystalline optical elements) �?which might be utilized as attain media for reliable-condition lasers. Typically, They are really doped with possibly trivalent scarce earth ions or changeover steel 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。
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：
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。
Needless to say, it is rather fascinating that a specified crystal excellent is produced continually, Whilst different laser designs might have a special sensitivity to product parameters.
The most probable doping focus can depend strongly within the host substance and its fabrication process.
Laser modeling and simulation can be used to reliably figure out the ideal crystal dimensions, doping density And perhaps values of supplemental parameters.
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It is obvious that unique apps bring on really unique necessities on laser gain media. Because of this, a broad vary of various crystals are employed, and generating the appropriate option read more is important for developing lasers with optimum performance.
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The medium should have a higher transparency (low absorption and scattering) within the wavelength areas of pump and laser radiation, and great optical homogeneity. To some extent, this depends upon the quality of the fabric, based on information with the fabrication course of action.
With that concept, just one doesn't have to have an additional saturable absorber crystal, in order that a single might make much more compact Q-switched laser setups with lower internal parasitic losses. However, unwelcome Unintended effects may also come about, such as obtaining undesirable valence states with the included ions or Strength transfers.
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。