激光器
钕
材料科学
Crystal(编程语言)
饱和(图论)
分析化学(期刊)
兴奋剂
发射光谱
发光
光学
激光泵浦
谱线
光电子学
化学
色谱法
天文
组合数学
物理
计算机科学
程序设计语言
数学
作者
Daniel Jaque,U. Caldiño,J. J. Romero,J. Garcı́a Solé
摘要
Spectral and laser properties of Nd3+ doped Ca3Ga2Ge3O12 have been investigated for different Nd concentrations ranging from 0.1 to 16 at %. The F3/24→4I11/2 emission spectrum is dominated by two main peaks at 1060 and 1065 nm whose stimulated emission cross sections change with Nd concentration. For concentrations above 0.5% luminescence quenching begins. Then, continuous wave laser gain experiments have been used to investigate the influence of these effects on the laser properties. The different factors (crystal losses and saturation intensity factor) contributing to the increase observed in the laser pump threshold with Nd concentration are discussed. Analysis of the laser spectra shows a double laser oscillation around 1060 and 1065 nm, which tends to disappear for high Nd concentrations.
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