The Basic Principles Of Laser Crystal
The Basic Principles Of Laser Crystal
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These tables contain only the most typical host crystals; lots of Other individuals exist, which happen to be significantly less usually made use of.
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为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。
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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GWU gives all frequent laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and so forth.) by using a broad assortment of specifications. Besides the well-founded products, ground breaking crystals with remarkable Attributes like Yb:CALGO can open up new horizons for demanding laser programs. No matter whether or not unique items for R & D purposes are demanded or Value-effective quantities in little, medium or significant batches with in-time shipping and delivery with the manufacturing line are desired: GWU’s devoted company helps to discover the greatest Main factors for the application.
A significant surface excellent is obviously critical. Technical specs of area flatness tend to be better than . This aids in order to avoid equally scattering losses and wavefront distortions which could degrade the laser's beam high-quality. In addition, scratch and dig technical specs
g. a thin disk. As A further instance, Q-switched lasers access a greater population density from the higher laser level and therefore are thus extra sensitive to quenching effects and Strength transfer procedures; thus, a lessen doping density is often appropriate for these products. For top-ability lasers, lower doping densities tend to be used to Restrict the density of warmth era, While slim-disk lasers get the job done finest with hugely doped crystals. A lot of laser items usually do not reach the whole effectiveness likely for the reason that these particulars haven't been effectively labored out.
激光晶体的效率在很大程度上依赖于某些属性，这些属性不仅限于其基本组成。这些特性决定了产生的激光光束的质量和随后的应用。
热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。
It is obvious that diverse apps cause incredibly unique requirements on laser attain media. For this reason, a wide selection of different crystals are employed, and producing the proper option is important for setting up lasers with optimum performance.
Various crystalline elements are incredibly distinctive regarding their hardness and various Homes, which determine with which approaches And exactly how easily they can be Reduce more info and polished with top quality.
The medium must have a significant transparency (very low absorption and scattering) while in the wavelength areas of pump and laser radiation, and great optical homogeneity. To some extent, this is determined by the standard of the material, determined by information with the fabrication process.
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