Judd-Ofelt theory: optical absorption and NIR emission spectral studies of Nd3+:CdO-Bi2O3-B2O3 glasses for laser applications

被引：42

作者：

Raju, C. Nageswara ^{[1
]}

Reddy, C. Adinarayana ^{[1
]}

Sailaja, S. ^{[1
]}

Seo, Hyo Jin ^{[2
]}

Reddy, B. Sudhakar ^{[1
]}

机构：

[1] Sri Venkateswara Degree Coll, Dept Phys, Kadapa 516003, India

[2] Pukyong Natl Univ, Dept Phys, Pusan 608737, South Korea

来源：

JOURNAL OF MATERIALS SCIENCE | 2012年 / 47卷 / 02期

关键词：

BISMUTH BORATE GLASSES; RARE-EARTH IONS; MU-M EMISSION; SPECTROSCOPIC INVESTIGATIONS; TRANSITION-PROBABILITIES; TRIVALENT LANTHANIDES; ND3+; INTENSITIES; ALKALI; ACTINIDES;

D O I：

10.1007/s10853-011-5853-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This article reports on the optical absorption and NIR emission properties of Nd3+ ions doped CdO-Bi2O3-B2O3 (CdBiB) glasses. Judd-Ofelt theory has been applied to calculate the oscillatory strengths of the transitions in the absorption spectra and also the intensity parameters Omega(lambda) (lambda = 2, 4, and 6). These results were then used to compute the radiative properties of emission transitions of Nd3+:CdBiB glasses. From the NIR emission spectra of Nd3+:CdBiB glasses, three NIR emission bands are observed at 900, 1069, and 1338 nm and assigned to the transitions (F-4(3/2) -> I-4(9/2)), (F-4(3/2) -> I-4(11/2)), and (F-4(3/2) -> I-4(13/2)), respectively. The concentration quenching phenomenon has also been explained. The stimulated emission cross-section and FWHM values were calculated for all the Nd3+:CdBiB glasses.

引用

页码：772 / 778

页数：7

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