Laser Crystal Secrets
Laser Crystal Secrets
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These tables include only the most typical host crystals; many Many others exist, which happen to be significantly less commonly used.
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激光晶体是固态激光器的核心。它们是光放大发生的媒介，产生激光束。在这篇全面指南中，我们深入探讨激光晶体的世界。
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GWU presents all popular laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG etc.) using a broad selection of specs. Apart from the effectively-set up supplies, revolutionary crystals with outstanding Attributes like Yb:CALGO can open new horizons for demanding laser applications. Irrespective of regardless of whether specific pieces for R & D uses are demanded or Expense-efficient figures in little, medium or substantial batches with in-time shipping and delivery for that manufacturing line are wanted: GWU’s dedicated provider really helps to find the greatest Main parts for your personal software.
活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。
g. a thin disk. As One more instance, Q-switched lasers get to a higher inhabitants density within the upper laser stage and they are as a result additional delicate to quenching consequences and Power transfer processes; for that reason, a lessen doping density is often appropriate for click here these units. For top-electrical power lasers, reduced doping densities in many cases are utilized to Restrict the density of heat generation, Though skinny-disk lasers function very best with extremely doped crystals. Numerous laser goods do not get to the entire functionality potential since these information have not been adequately worked out.
The host crystal is a lot more than just a method to fix the laser-Energetic ions at sure positions in Area. A number of properties from the host content are important:
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。
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Distinct crystalline supplies are really diverse concerning their hardness together with other properties, which ascertain with which techniques And just how easily they are often Slice and polished with good quality.
The medium ought to have a significant transparency (lower absorption and scattering) within the wavelength locations of pump and laser radiation, and good optical homogeneity. To some extent, this depends on the caliber of the fabric, determined by aspects on the fabrication method.
With that concept, one particular doesn't want an extra saturable absorber crystal, in order that a single could make much more compact Q-switched laser setups with reduce interior parasitic losses. Having said that, undesired Unwanted effects might also manifest, for instance obtaining unwelcome valence states in the associated ions or Strength transfers.
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。