New Step by Step Map For Laser Crystal
New Step by Step Map For Laser Crystal
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The commonest laser-Energetic uncommon earth ions and host media along with some regular emission wavelengths are demonstrated in the next table:
激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。
为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。
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Which geometry, dopant and doping concentration on the get medium are most useful count on quite a few factors. The offered pump source (kind of laser diode or lamp) and also the envisaged pumping arrangement are important components, but the material itself also has some affect. By way of example, titanium–sapphire lasers need to be pumped with high intensities, for which the shape of the transversely cooled rod, operated with somewhat little pump and laser beam diameter, is much more appropriate than e.
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A superior surface top quality is not surprisingly important. Specifications of surface area flatness are sometimes much better than . This allows to avoid each scattering losses and wavefront distortions which might degrade the laser's beam good quality. Moreover, scratch and dig requirements
亚稳态寿命也起着重要作用。较长的寿命允许更多的储能和实现粒子数反转的更高潜力，这对激光动作至关重要。
Laser modeling and simulation can be employed to reliably decide the the best possible crystal dimensions, doping density And perhaps values of more parameters.
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Distinctive crystalline resources are extremely unique relating to their hardness as well as other Houses, which determine with which procedures And exactly how very easily they are often Slash and polished with high quality.
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With that concept, a single won't have to have yet another saturable absorber crystal, so that one may possibly make far more compact Q-switched laser setups with reduced inner parasitic losses. Nevertheless, unwanted side effects click here could also come about, which include getting unwelcome valence states of your involved ions or energy 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。