Optical properties of LiNbO3 crystals doped with Yb3+ ions

被引：0
|
作者：
Kallel, T. [1 ]
Yahyaoui, M. [1 ]
Amdouni, S. [1 ]
Fakhfakh, R. [2 ]
Ben Aissa, A. [3 ]
Abdallah, I. M. [3 ]
Hussein, L. F. [3 ]
机构：
[1] Jouf Univ, Coll Sci & Arts, Phys Dept, POB 756, Al Gurayyat, Saudi Arabia
[2] Jouf Univ, Coll Sci & Arts, Math Dept, POB 756, Al Gurayyat, Saudi Arabia
[3] Jouf Univ, Coll Sci & Arts, Comp Sci Dept, POB 756, Al Gurayyat, Saudi Arabia
来源：
OPTICA PURA Y APLICADA | 2021年 / 54卷 / 04期
关键词：
Calcium fluoride; laser ceramic; crystal-field theory; Yb(3+)ions; LITHIUM-NIOBATE; STOICHIOMETRIC LINBO3; GROWTH; LUMINESCENCE; SPECTROSCOPY; CONGRUENT;
D O I：
10.7149/OPA.54.4.51070
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical properties of Yb-doped LiNbO3 crystals were investigated. The low temperature absorption and selective emission of LiNbO3:Yb3+ crystals obtained by Montoya et al were reexamined. The LiNbO3: Yb3+ crystals absorption and emission spectra show broad emission due to the presence of four non-equivalent sites: three octahedral sites (Li+ (S1), Nb5+( S2), and a vacant octahedron(S3)) and an interstitial tetrahedral site(S4). Considering the presence of these four Yb(3+)ion-occupied sites, and also the electron-phonon coupling processes, the majority of emission and absorption lines was assigned. For the different observed optical centers in LiNbO3, the experimental Stark energy levels of Yb3+ ions were established.
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页数：11
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