The Basic Principles Of Laser Crystal
The Basic Principles Of Laser Crystal
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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。
Laser crystals are optical crystals �?normally single crystals (monocrystalline optical products) �?which can be used as get media for sound-condition lasers. Normally, They can be doped with possibly trivalent rare earth ions or changeover metallic ions.
激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
Which geometry, dopant and doping concentration of your attain medium are most beneficial count on various elements. The accessible pump supply (style of laser diode or lamp) as well as the envisaged pumping arrangement are important factors, but the fabric by itself also has some affect. As an example, titanium–sapphire lasers ought to be pumped with substantial intensities, for which the shape of the transversely cooled rod, operated with reasonably small pump and laser beam diameter, is much more suitable than e.
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A superior floor good quality is naturally significant. Requirements of surface flatness tend to be much better than . This will help to avoid the two scattering losses and wavefront distortions which might degrade the laser's beam excellent. Moreover, scratch and dig technical specs
探索激光晶体的领域，可以让我们看到科学和技术相结合的奇迹，为我们带来了令人难以置信的进步。这些激光晶体，每一种都在组成和特性上独具匠心，是推动现代世界众多应用的动力。
The click here host crystal is considerably more than just a means to repair the laser-Lively ions at selected positions in space. Several Qualities of the host material are very important:
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Those surfaces which can be handed with the laser beam are Typically either oriented at Brewster's angle or have an anti-reflection coating.
主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。
The medium must have a superior transparency (reduced absorption and scattering) while in the wavelength locations of pump and laser radiation, and very good optical homogeneity. To some extent, this is determined by the quality of the fabric, based on details from the fabrication course of action.
With that concept, one doesn't require yet another saturable absorber crystal, so that just one may possibly make a lot more compact Q-switched laser setups with lower interior parasitic losses. Even so, unwanted Unwanted side effects could also manifest, for example obtaining undesirable valence states of your concerned 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。