The Definitive Guide to Laser Crystal
The Definitive Guide to Laser Crystal
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These tables have only the most typical host crystals; quite a few Many others exist, that happen to be fewer usually made use of.
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激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
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GWU provides all common laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG etcetera.) which has a broad selection of specs. Moreover the properly-proven supplies, revolutionary crystals with exceptional properties like Yb:CALGO can open new horizons for demanding laser purposes. Despite regardless of whether individual pieces for R & D purposes are essential or cost-productive quantities in compact, medium or huge batches with in-time shipping and delivery with the production line are essential: GWU’s dedicated support helps you to discover the finest Main factors for your 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 skinny disk. As A further example, Q-switched lasers achieve a better populace density from the upper laser degree and so are thus more sensitive to quenching results more info and Strength transfer processes; for that reason, a lessen doping density is often suitable for these products. For prime-electricity lasers, reduced doping densities are frequently used to Restrict the density of heat technology, While skinny-disk lasers function greatest with highly doped crystals. A lot of laser goods will not reach the comprehensive overall performance opportunity mainly because these aspects have not been thoroughly labored out.
The host crystal is a lot more than simply a way to repair the laser-Lively ions at particular positions in Area. Quite a few Houses with the host product are crucial:
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。
These surfaces which are passed by the laser beam are Generally either oriented at Brewster's angle or have an anti-reflection coating.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 components laser crystal crystal progress optical functionality uncommon earth ions changeover team ions
The medium must have a higher transparency (very low absorption and scattering) in the wavelength areas of pump and laser radiation, and fantastic optical homogeneity. To some extent, this is determined by the standard of the material, determined by facts of the fabrication approach.
It may be oriented for near perpendicular incidence from the laser beam, or at Brewster's angle. It can be preset in certain stable mount which also functions for a warmth sink. Greater crystals are generally used for facet pumping e.g. with significant-electricity diode bars.
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。