Investigation of luminescence parameters of novel glasses with composition TeO2-ZnO-NaF-MoO2-Er2O3 as laser material

被引:24
作者
AbouDeif, Y. M. [1 ,2 ]
Yousef, El Sayed [1 ,2 ]
Marzouk, Samir Y. [3 ]
机构
[1] King Khalid Univ, RCAMS, Abha 61413, Saudi Arabia
[2] King Khalid Univ, Fac Sci, Dept Phys, POB 9004, Abha, Saudi Arabia
[3] Arab Acad Sci Technol & Maritime Transport, Coll Engn & Technol, Basic & Appl Sci Dept, Cairo, Egypt
关键词
Oxide glasses; Density; Refractive index; Optical energy gap; UV-vis-NIR; Judd-Ofelt analysis; Emission cross section; Gain cross-section; JUDD-OFELT ANALYSIS; EMISSION CROSS-SECTIONS; LITHIUM BORATE GLASSES; MU-M EMISSION; SPECTROSCOPIC PROPERTIES; ER3+ IONS; OPTICAL-PROPERTIES; UP-CONVERSION; TELLURITE GLASS; ABSORPTION INTENSITIES;
D O I
10.1016/j.jnoncrysol.2018.05.024
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Fluoroquatemary glasses within system 70TeO(2)-10ZnO-10NaF-(10-x)MoO2-xEr(2)O(3) doped with different concentration of xEr(2)O(3) ions were prepared by using melt- quenching technique. The amorphous nature of the glasses confirmed by using X-ray diffraction. Physical parameters viz.: density (rho), molar volumes (V-m), refractive index (n), an optical energy gap (Eg) and Urbach energy (Delta E) values of prepared glasses were evaluated. Moreover, the Judd-Ofelt parameters Omega(2), Omega(4), Omega(6), the oscillator strength type transition probabilities, S-meas, S-cab spectroscopic quality factors, X, branching ratio, beta(R) and radiative lifetimes, tau(R), of several excited states of Er3+ have been computed. The gain cross-section of laser transition level from I-4(13/2)-> I-4(15/2) and stimulated emission cross-section estimated with different concentration of Er2O3 ions in all present glasses. Here the spectroscopic properties indicate that these glasses doped with Er3+ are a promising candidate for optical applications.
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页码:72 / 81
页数:10
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