Getting My Laser Crystal To Work
Getting My Laser Crystal To Work
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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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The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions and in addition the higher-point out lifetime.
晶体的光学质量对激光器的有效运行至关重要。晶体中的缺陷或杂质可能导致光散射、吸收甚至损坏晶体。高光学质量确保了稳定和高质量的激光束。
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 Yet another case in point, Q-switched lasers achieve the next population density during the upper laser amount and therefore are thus more sensitive to quenching outcomes and Power transfer processes; thus, a lower doping density is often appropriate for these gadgets. For high-electric power lasers, lessen doping densities are frequently accustomed to limit the density of heat generation, Though Laser Crystal skinny-disk lasers work greatest with very doped crystals. Numerous laser goods don't get to the complete overall performance probable due to the fact these kinds of information have not been thoroughly worked 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。
激光晶体的核心由固态晶体材料组成,通常掺杂了某些能够通过受激发射产生光放大的离子。这些离子的性质对激光晶体的性能起决定作用。
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材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 products laser crystal crystal progress optical efficiency scarce earth ions transition team ions
In 2017, we made the entire world’s greatest Ti∶sapphire crystal (Φ235 mm), which supported The ten PW laser output of Shanghai Superintense Ultrafast Laser Facility. The event of Yb and Tm doped GdScO3 laser crystals with exceptionally large emission spectra drives the development of laser diode pumped ultrafast good-condition lasers. With the increase in pulse energy, peak electrical power, and repetition fee of good-state lasers, laser crystals will create towards larger sized sizes, better crystal top quality, and controllable important efficiency.
There may be a wide range of crystalline media, which can be grouped according to special atomic constituents and crystalline constructions. Some significant teams of crystals are:
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。