Detailed Notes on Laser Crystal
Detailed Notes on Laser Crystal
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The most typical laser-Lively uncommon earth ions and host media together with some typical emission wavelengths are demonstrated in the subsequent table:
These ions permit the crystal to amplify gentle with the laser wavelength by way of stimulated emission, when Power is supplied into the crystal by using absorption of pump light-weight (�?optical pumping
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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 in the get medium are most useful rely on a number of factors. The out there pump supply (kind of laser diode or lamp) and the envisaged pumping arrangement are very important components, but the material by itself also has some affect. Such as, titanium–sapphire lasers ought to be pumped with high intensities, for which the form of a transversely cooled rod, operated with comparatively compact pump and laser beam diameter, is more ideal than e.
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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 maximum possible doping focus can depend strongly on the host material and its fabrication technique.
Laser modeling and simulation can be employed to reliably identify the the best possible crystal Proportions, doping density And maybe values of more parameters.
量子效率是发射光子数量与吸收光子数量的比率。高量子效率表明更大部分吸收能量被转化为激光光束，有助于提高激光的整体效率。
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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。
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With that concept, just one won't need to have yet another saturable absorber crystal, in order that a single might make much more compact Q-switched laser setups with lessen internal parasitic losses. Nevertheless, undesirable Unwanted side effects can also take place, for instance getting unwelcome valence states of your associated ions or Electrical power transfers.
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。