What Does Laser Crystal Mean?
What Does Laser Crystal Mean?
Blog Article
Laser modeling and simulation can be employed to reliably ascertain the ideal crystal Proportions, 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 transition cross-sections of pump and laser transitions in addition to the higher-state life span.
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。
For quasi-a few-degree laser attain media and even 3-stage obtain media, a person often needs to limit the length to a worth which is also short for successful pump absorption, as reabsorption outcomes would in any other case spoil the overall performance. For side pumping, additional things to consider appear into Engage in; Apart from successful pump absorption, it can be crucial to obtain an appropriate spatial condition on the obtain profile.
g. a skinny disk. As An additional instance, Q-switched lasers attain the next populace density in the upper laser stage and are thus much more sensitive to quenching outcomes and Electrical power transfer processes; as a result, a decrease doping density is often suitable for these products. For prime-electricity lasers, decrease doping densities in many cases are accustomed to limit the density of warmth generation, Even though skinny-disk lasers function greatest with extremely doped crystals. A lot of laser solutions will not reach the full efficiency possible due to the fact this sort of aspects have not been adequately labored out.
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Moreover, some overall flexibility is dropped in experiments if Laser Crystal a person are not able to Check out absorbers with unique thickness or doping focus, for instance, with out exchanging the laser crystal alone.
These ions enable the crystal to amplify light-weight at the laser wavelength by using stimulated emission, when Electrical power is supplied into the crystal through absorption of pump gentle (�?optical pumping
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These tables incorporate only the most typical host crystals; several others exist, which are less commonly employed.
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A few laser crystal supplies have already been demonstrated wherever some saturable absorber product is included for passive Q switching of a laser.
Certainly, it is vitally attractive that a offered crystal good quality is produced regularly, although different laser designs might have a distinct sensitivity to materials parameters.
There's a variety of crystalline media, which may be grouped according to big atomic constituents and crystalline structures. Some important teams of crystals are:
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Laser crystals are optical crystals �?ordinarily solitary crystals (monocrystalline optical resources) �?which happen to be applied as gain media for sound-state lasers. Generally, They're doped with both trivalent scarce earth ions or transition 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。