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Optical properties and spectroscopic parameters of Nd~3+- doped phosphate and borate glasses

机译:Nd〜3 +-掺杂的磷酸盐和硼酸盐玻璃的光学性质和光谱参数

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摘要

Neodymium doped borate and phosphate glass specimens have been prepared by the melt quenching technique. Their absorption spectra have been recorded in the region 300--l000 nm. The Judd--Ofelt theory has been applied to the measured values of absorption line strengths to evaluate the spontaneous emission probabilities from the 4~F_3/2 level, quantum efficiencies and stimulated emission cross sections of the 4~F_3/2 → 4~I_11/2 transition for Nd~3+. The values of emission cross sections are comparable with those shown by glasses used in solid state laser applications.
机译:通过熔融淬火技术制备了掺钕硼酸盐和磷酸盐玻璃样品。它们的吸收光谱已记录在300--1000 nm范围内。 Judd-Ofelt理论已应用于吸收线强度的测量值,以从4〜F_3 / 2的水平,4〜F_3 / 2→4〜I_11的量子效率和受激发射截面评估自发发射概率Nd〜3 +的/ 2跃迁。发射横截面的值与固态激光应用中使用的玻璃所示的值相当。

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