铒离子1064nm吸收截面的估算

Estimation of the 1064nm Absorption Cross--Sections of Erbium Ions

在1064um连续激光泵浦下,掺铒石英光纤中的铒离子通过三光子(双光子吸收和单光子吸收)过程能产生频率上转换蓝荧光。本文用速率方程估算了这个频率上转换过程中纤内铒离子的基态双光子吸收截面和受激态单光子吸收截面。

The upconverted blue fluorescence in Er_3+ doped silica fibers pumped by aCW 1064 nm laser can be generated through a three--photon process.In this pa-per, the rate--equations were used to estimate the two--photon ground--satae--absor-ption cross--section and one--photon excited--state--absorptin of erbium ions underthe upconverted process.