Facts About Nonlinear Crystal Revealed
Facts About Nonlinear Crystal Revealed
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Different crystalline products are quite distinctive about their hardness and other Attributes, which determine with which techniques and how simply they are often Lower and polished with good quality.
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-point out life span.
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The most possible doping concentration can depend strongly on the host materials and its fabrication method.
g. a thin disk. As One more illustration, Q-switched lasers achieve a better populace density during the upper laser degree and so are therefore a lot more delicate to quenching consequences and energy transfer processes; thus, a reduce doping density is usually suitable for these products. For top-electricity lasers, reduce doping densities in many cases are utilized to limit the density of heat generation, Though skinny-disk lasers operate finest with remarkably doped crystals. Lots of laser products do not get to the comprehensive performance potential simply because this kind of details haven't been adequately worked out.
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A substantial injury threshold in terms of pulse fluence or peak intensity is often vital for top-Electrical power 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：
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These tables comprise only the most typical host crystals; quite a few Other people exist, which happen to be significantly less routinely employed.
The commonest laser-Energetic exceptional earth ions and host media along with some common emission wavelengths are demonstrated in the subsequent desk:
Some laser crystal elements have already been shown wherever some saturable absorber materials is included for passive Q switching of a laser.
For many causes, composite crystals have gotten well-liked. These Have a very spatially varying chemical composition and may be made with Particular styles.
There is certainly an array of crystalline media, which may be grouped according to important atomic constituents and crystalline structures. Some important groups of crystals are:
With that concept, 1 isn't going to require yet website another saturable absorber crystal, so that a person may well make more compact Q-switched laser setups with lessen interior parasitic losses. Nevertheless, undesired side effects might also take place, including getting undesired valence states on the concerned ions or Strength transfers.
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Laser crystals are optical crystals �?ordinarily solitary crystals (monocrystalline optical products) �?that happen to be utilized as obtain media for solid-condition lasers. Usually, they are doped with either trivalent unusual earth ions or changeover steel 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。