Everything about Nonlinear Crystal
Everything about Nonlinear Crystal
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Laser modeling and simulation can be employed to reliably figure out the the best possible crystal dimensions, doping density And maybe values of supplemental 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 crystal is much more than simply a method to repair the laser-Energetic ions at selected positions in Room. Quite a few Attributes on the host materials are crucial:
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 utmost attainable doping concentration can count strongly within the host material and its fabrication system.
g. a thin disk. As another illustration, Q-switched lasers reach an increased population density during the upper laser stage and they are therefore much more delicate to quenching consequences and Power transfer processes; therefore, a lower doping density is commonly suitable for these units. For top-ability lasers, lessen doping densities are sometimes accustomed to Restrict the density of heat technology, Though slender-disk lasers operate greatest with highly doped crystals. Lots of laser merchandise do not get to the full general performance potential because this kind of aspects haven't been effectively worked out.
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A substantial problems threshold concerning pulse fluence or peak depth may be important for top-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：
Which geometry, dopant and doping concentration in the acquire medium click here are most useful rely upon several factors. The out there pump supply (style of laser diode or lamp) and also the envisaged pumping arrangement are very important variables, but the fabric by itself also has some impact. By way of example, titanium–sapphire lasers must be pumped with large intensities, for which the shape of a transversely cooled rod, operated with somewhat tiny pump and laser beam diameter, is much more appropriate than e.
It could be oriented for close to perpendicular incidence of the laser beam, or at Brewster's angle. It might be mounted in some solid mount which also acts to be a heat sink. More substantial crystals are usually employed for aspect pumping e.g. with significant-power diode bars.
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A number of laser crystal supplies are actually shown wherever some saturable absorber product is included for passive Q switching of the laser.
For numerous causes, composite crystals have gotten well known. These Have got a spatially different chemical composition and can be built with Unique designs.
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。
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Laser crystals are optical crystals �?commonly solitary crystals (monocrystalline optical products) �?which can be made use of as achieve media for strong-condition lasers. Most often, They may be doped with possibly trivalent rare 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。