5 Simple Techniques For Laser Crystal

5 Simple Techniques For Laser Crystal

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These tables have only the most typical host crystals; many Other people exist, which might be considerably less regularly utilised.

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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。

Which geometry, dopant and doping focus from the achieve medium are most useful rely upon quite a few factors. The accessible pump source (type of laser diode or lamp) and the envisaged pumping arrangement are important variables, but the material alone also has some affect. Such as, titanium–sapphire lasers ought to be pumped with large intensities, for which the shape of the transversely cooled rod, operated with fairly smaller pump and laser beam diameter, is much more acceptable than e.

晶体的光学质量对激光器的有效运行至关重要。晶体中的缺陷或杂质可能导致光散射、吸收甚至损坏晶体。高光学质量确保了稳定和高质量的激光束。

激光晶体的损伤阈值与其能承受的最大光强有关，而不会遭受物理或结构损伤。高损伤阈值对于确保高功率激光应用的耐久性和长寿命至关重要。

The most doable doping concentration can depend strongly about the host product and its fabrication approach.

Several laser crystal resources have already been demonstrated wherever some saturable absorber product is incorporated for passive Q switching of the laser.

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For quasi-a few-amount laser gain media as well as three-level get media, one frequently really should limit the size to a price which is way too limited for successful pump absorption, as reabsorption effects would normally spoil the efficiency. For facet pumping, further issues come into Enjoy; In addition to productive pump absorption, it is important to acquire an acceptable spatial form here with the attain profile.

材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 resources laser crystal crystal development optical overall performance scarce earth ions changeover team ions 

The medium ought to have a high transparency (small absorption and scattering) within the wavelength areas of pump and laser radiation, and excellent optical homogeneity. To some extent, this will depend on the caliber of the material, determined by information in the fabrication procedure.

With that concept, a person would not will need an extra saturable absorber crystal, to ensure a person could make much more compact Q-switched laser setups with lessen inner parasitic losses. Nonetheless, unwelcome Uncomfortable side effects could also occur, which include obtaining unwelcome valence states with the included ions or Electrical power 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。