Little Known Facts About Laser Crystal.
Little Known Facts About Laser Crystal.
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The most typical laser-Lively uncommon earth ions and host media along with some standard emission wavelengths are revealed in the subsequent table:
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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。
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 gain medium are most advantageous rely on numerous elements. The offered pump source (style of laser diode or lamp) plus the envisaged pumping arrangement are essential components, but the material alone also has some influence. For example, titanium–sapphire lasers must be pumped with high intensities, for which the form of a transversely cooled rod, operated with comparatively smaller pump and laser beam diameter, is more acceptable 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。
A high surface quality more info is obviously essential. Requirements of surface area flatness are sometimes better than . This helps to stay away from both equally scattering losses and wavefront distortions which might degrade the laser's beam high-quality. Moreover, scratch and dig technical specs
亚稳态寿命也起着重要作用。较长的寿命允许更多的储能和实现粒子数反转的更高潜力，这对激光动作至关重要。
A couple of laser crystal supplies happen to be demonstrated where by some saturable absorber material is incorporated for passive Q switching of a laser.
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 elements laser crystal crystal growth optical general performance exceptional earth ions changeover team ions
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It could be oriented for close to perpendicular incidence on the laser beam, or at Brewster's angle. It could be preset in some reliable mount which also functions to be a warmth sink. Bigger crystals usually are employed for facet pumping e.g. with superior-power 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。