Spectroscopic properties and laser performances of Yb:LGSB nonlinear optical crystal

被引：9

作者：

Khaled, Federico ^{[1
]}

Loiseau, Pascal ^{[1
]}

Voicu, Flavius ^{[2
]}

Achim, Alexandru ^{[2
]}

Hau, Stefania ^{[2
]}

Gheorghe, Cristina ^{[2
]}

Croitoru, Gabriela ^{[2
]}

Pavel, Nicolaie ^{[2
]}

Gheorghe, Lucian ^{[2
]}

Aka, Gerard ^{[1
]}

机构：

[1] PSL Res Univ, Chim ParisTech, CNRS, Inst Rech Chim Paris, F-75005 Paris, France

[2] Natl Inst Laser Plasma & Radiat Phys, Lab Solid State Quantum Elect, Bucharest 077125, Romania

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2016年 / 688卷

关键词：

Near-infrared solid-state lasers; Ytterbium; Nonlinear optical materials; Spectroscopy; Czochralski; Borate; GROWTH; POWER; NM; OPERATION;

D O I：

10.1016/j.jallcom.2016.07.048

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Czochralski growth along with linear optical characterizations and near-infrared laser performances of ytterbium doped lanthanum and gadolinium scandium borate crystals (LaxGdYScZYbw(BO3)(4) with x + y + z + w = 4) with acentric huntite-type structure are presented in this paper. Low-temperature spectroscopy analyses reveal two insertion sites for Yb3+ ions: a main one in Sc sites and the other one in lanthanide site. While absorption cross-section spectrum reveals broad bands with a maximum value of 7.8 x 10(-21) cm(2) at 981.5 nm for the s state of polarization, the emission cross-section spectrum presents low anisotropy between the two polarization states over 1060 nm. Best laser performance is obtained in continuous-wave operation mode with 0.94W at 1070 nm for a 12.9-at% doped crystal. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：510 / 517

页数：8

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