An Unbiased View of Nonlinear Crystal
An Unbiased View of Nonlinear Crystal
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Laser modeling and simulation can be employed to reliably determine the optimum crystal Proportions, doping density And perhaps values of more parameters.
The medium must have a large transparency (minimal absorption and scattering) inside the wavelength locations of pump and laser radiation, and fantastic optical homogeneity. To some extent, this is dependent upon the caliber of the material, based on aspects from the fabrication course of action.
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions and likewise 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-three-amount laser achieve media or perhaps 3-level gain media, just one usually needs to Restrict the length to a value that's much too shorter for efficient pump absorption, as reabsorption outcomes would usually spoil the functionality. For facet pumping, extra criteria come into Engage in; besides productive pump absorption, it is important to obtain an appropriate spatial condition of your attain profile.
g. a skinny disk. As A further illustration, Q-switched lasers achieve a greater populace density inside the upper laser level and they are therefore additional sensitive to quenching outcomes and Vitality transfer procedures; for that reason, a reduced doping density is often appropriate for these gadgets. For prime-electric power lasers, lower doping densities are sometimes utilized to limit the density of warmth technology, although skinny-disk lasers operate best with really doped crystals. Lots of laser products and solutions usually do not get to the full efficiency potential because these aspects haven't been effectively worked Nonlinear Crystal out.
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A high destruction threshold in terms of pulse fluence or peak intensity might be essential for top-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：
晶体生长 晶体加工 镀膜能�?品质管理 研发能力 新闻中心
These tables incorporate only the most common host crystals; many others exist, which might be significantly less routinely made use of.
The most typical laser-Lively scarce earth ions and host media together with some normal emission wavelengths are revealed in the following desk:
Several laser crystal elements are already demonstrated in which some saturable absorber material is incorporated for passive Q switching of the laser.
Not surprisingly, it is rather fascinating that a specified crystal excellent is developed constantly, although unique laser patterns might have a distinct sensitivity to materials 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。
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Laser crystals are optical crystals �?ordinarily single crystals (monocrystalline optical supplies) �?which might be made use of as gain media for solid-state lasers. Generally, They may be doped with either trivalent unusual 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。