The Ultimate Guide To Nonlinear Crystal
The Ultimate Guide To Nonlinear Crystal
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Laser modeling and simulation can be utilized to reliably determine the the best possible crystal dimensions, doping density And perhaps 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 and likewise the higher-condition life time.
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 most achievable doping focus can rely strongly to the host materials and its fabrication system.
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A superior hurt threshold in terms of pulse fluence or peak depth can be significant for high-Strength 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 focus from the attain medium are most advantageous depend upon quite a few elements. The offered pump resource (type of laser diode or lamp) along with the envisaged pumping arrangement are crucial things, but the material itself also has some affect. One example is, titanium–sapphire lasers ought to be pumped with high intensities, for which the form of a transversely cooled rod, operated with comparatively modest pump and laser beam diameter, is a lot more correct than e.
It may be oriented for near perpendicular incidence from the laser beam, or at Brewster's angle. It may be mounted in a few reliable mount which also acts being a heat sink. More substantial crystals usually are employed for aspect pumping e.g. with substantial-electricity diode bars.
The most common laser-Lively scarce earth ions and host media along with some standard emission wavelengths are shown in the subsequent desk:
A number of laser crystal materials are already demonstrated the place some saturable absorber material is integrated for passive Q switching of the laser.
Obviously, it is rather attractive that a offered crystal read more good quality is manufactured regularly, Despite the fact that unique laser designs can have a distinct sensitivity to substance parameters.
You can find a wide range of crystalline media, which can be grouped according to important atomic constituents and crystalline structures. Some crucial groups of crystals are:
With That idea, a person does not need an additional saturable absorber crystal, to ensure that 1 may possibly make far more compact Q-switched laser setups with decreased inside parasitic losses. Even so, undesired Uncomfortable side effects may come about, like obtaining unwanted valence states of your associated ions or Electricity transfers.
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Laser crystals are optical crystals �?ordinarily one crystals (monocrystalline optical elements) �?which might be utilized as get media for solid-condition lasers. Typically, 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。