The Nonlinear Crystal Diaries
The Nonlinear Crystal Diaries
Blog Article
Laser modeling and simulation can be used to reliably decide the optimum crystal dimensions, doping density And maybe values of extra parameters.
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。
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions in addition to the upper-condition life time.
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The most feasible doping focus can rely strongly on the host substance and its fabrication technique.
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A higher destruction threshold regarding pulse fluence or peak depth could be vital for top-Vitality amplifiers.
These ions enable the crystal to amplify gentle in the laser wavelength by means of stimulated emission, when Power is provided to the crystal through absorption of pump light-weight (�?optical pumping
Which geometry, dopant and doping focus of your obtain medium are most useful depend on many things. The accessible pump supply (variety of laser diode or lamp) as well as the envisaged pumping arrangement are very important factors, but the material by itself also has some affect. Such as, titanium–sapphire lasers need to be pumped with substantial intensities, for which the shape of the transversely cooled rod, operated with fairly modest pump and laser beam diameter, is a lot more correct than e.
These tables have only the most typical host crystals; several Other individuals exist, which can be significantly less regularly utilized.
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Those people surfaces which happen to be handed by the laser beam are Typically both oriented at Brewster's angle or have an anti-reflection coating.
Naturally, it is vitally desirable that a presented crystal high-quality is created persistently, Whilst various laser types may have another sensitivity to material parameters.
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。
With That idea, a person would not need an additional saturable absorber crystal, in order that a single could make far more compact Q-switched laser setups with decrease internal parasitic losses. However, unwelcome Unintended effects might also happen, like obtaining unwelcome valence states of your included ions or Strength transfers.
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Laser crystals are optical crystals �?typically solitary crystals (monocrystalline optical elements) �?that are utilised as attain media for sound-condition lasers. Most often, They're doped with both trivalent exceptional earth ions or changeover metal 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。