The Ultimate Guide To Nonlinear Crystal
The Ultimate Guide To Nonlinear Crystal
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Laser modeling and simulation can be used to reliably decide the ideal crystal dimensions, doping density and possibly values of additional parameters.
The medium ought to have a superior transparency (very low absorption and scattering) from the wavelength areas of pump and laser radiation, and great optical homogeneity. To some extent, this will depend on the standard of the fabric, determined by specifics on the fabrication system.
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions in addition to the upper-state lifetime.
激光晶体由发光中心和基质晶体两部分组成。大部分激光晶体的发光中心由激活离子构成，激活离子部分取代基质晶体中的阳离子形成掺杂型激光晶体。激活离子成为基质晶体组分的一部分时，则构成自激活激光晶体。
The maximum doable doping concentration can rely strongly on the host content and its fabrication process.
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A substantial damage threshold with regard to pulse fluence or peak intensity might be important for prime-energy amplifiers.
作为工业上使用较多的都是高掺钇铝石榴石，也就是说掺入不同的元素来达到不同的效果；作为工业激光，关注以下性能：
Which geometry, dopant and doping concentration in the attain medium are most advantageous depend upon various factors. The offered pump resource (type of laser diode or lamp) as well as the envisaged pumping arrangement are very important things, but the fabric itself also has some influence. By way of example, titanium–sapphire lasers should be pumped with superior intensities, for which check here the shape of a transversely cooled rod, operated with fairly tiny pump and laser beam diameter, is much more acceptable than e.
These tables include only the most common host crystals; many others exist, which are much less frequently used.
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People surfaces which can be handed from the laser beam are Generally possibly oriented at Brewster's angle or have an anti-reflection coating.
Needless to say, it's very attractive that a offered crystal good quality is manufactured regularly, Despite the fact that distinctive laser designs can have a special sensitivity to content 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, just one won't have to have yet another saturable absorber crystal, so that one might make much more compact Q-switched laser setups with reduce internal parasitic losses. Nevertheless, unwanted Unwanted side effects might also happen, such as getting undesired valence states on the concerned ions or Power transfers.
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Laser crystals are optical crystals �?typically solitary crystals (monocrystalline optical elements) �?that are utilised as attain media for strong-condition lasers. Typically, They're doped with both trivalent exceptional earth ions or changeover metallic 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。