The Greatest Guide To Laser Crystal
The Greatest Guide To Laser Crystal
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These tables consist of only the most common host crystals; quite a few Other people exist, which happen to be considerably less commonly utilized.
激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。
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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。
Which geometry, dopant and doping concentration of your get medium are most advantageous rely upon a number of components. The obtainable pump resource (sort of laser diode or lamp) and also the envisaged pumping arrangement are crucial aspects, but the fabric itself also has some affect. Such as, titanium–sapphire lasers must be pumped with superior intensities, for which the form of a transversely cooled rod, operated with rather little pump and laser beam diameter, is much more correct than e.
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。
The most feasible doping concentration can rely strongly over the host materials and its fabrication strategy.
Laser modeling and simulation can be utilized to reliably determine the optimum crystal Proportions, doping density And maybe values of supplemental parameters.
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。
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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 materials laser crystal crystal expansion optical performance exceptional earth ions changeover group ions
In 2017, we designed the earth’s most significant Ti∶sapphire crystal (Φ235 mm), which supported The ten PW laser output of Shanghai Superintense Ultrafast Laser Facility. The development of Yb and Tm doped GdScO3 laser crystals with incredibly vast emission spectra drives the development of laser diode pumped ultrafast strong-point out lasers. With the rise in pulse Electrical power, peak ability, and repetition level of stable-condition lasers, laser crystals will create towards larger dimensions, better crystal good quality, and controllable crucial overall performance.
With That idea, just one isn't going to require yet another saturable absorber crystal, making sure check here that a single might make extra compact Q-switched laser setups with decrease inner parasitic losses. Even so, undesirable Negative effects could also take place, which include acquiring unwelcome valence states on the involved ions or Electricity transfers.
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。