Considerations To Know About Laser Crystal
Considerations To Know About Laser Crystal
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The commonest laser-Lively uncommon earth ions and host media together with some regular emission wavelengths are revealed in the subsequent desk:
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Laser crystals are optical crystals �?typically single crystals (monocrystalline optical materials) �?which can be utilized as attain media for good-condition lasers. Most often, They're doped with possibly trivalent rare earth ions or transition metallic ions.
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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：
GWU features all common laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and so forth.) that has a wide selection of requirements. Other than the well-founded components, impressive crystals with fantastic Attributes like Yb:CALGO can open new horizons for demanding laser purposes. It doesn't matter whether or not particular person parts for R & D uses are expected or Price-efficient quantities in modest, medium or substantial batches with in-time shipping and delivery for that output line are necessary: GWU’s dedicated services helps you to discover the ideal core factors on your software.
激光晶体的损伤阈值与其能承受的最大光强有关，而不会遭受物理或结构损伤。高损伤阈值对于确保高功率激光应用的耐久性和长寿命至关重要。
g. a skinny disk. As One more example, Q-switched lasers get to the next inhabitants density inside the higher laser level and they are therefore far more delicate to quenching results and energy transfer processes; hence, a decreased doping density is commonly appropriate for these devices. For top-electric power lasers, lower doping densities in many cases are used to Restrict the density of heat era, Despite the fact that slim-disk lasers do the job finest with remarkably doped crystals. Numerous laser products will not reach the comprehensive performance opportunity mainly because these information have not been adequately worked out.
A number of laser crystal components have been shown where by some saturable absorber substance is included for passive Q switching of the laser.
量子效率是发射光子数量与吸收光子数量的比率。高量子效率表明更大部分吸收能量被转化为激光光束，有助于提高激光的整体效率。
For quasi-three-stage laser get media or even three-degree get media, a person frequently should Restrict the duration to a value that is way too small for economical pump absorption, as reabsorption effects would or else spoil click here the functionality. For facet pumping, supplemental considerations come into Engage in; besides efficient pump absorption, it is important to obtain an acceptable spatial condition on the achieve profile.
主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。
The medium should have a higher transparency (small absorption and scattering) during the wavelength regions of pump and laser radiation, and good optical homogeneity. To some extent, this depends upon the quality of the material, based on specifics with the fabrication course of action.
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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。