Mid-infrared laser operation of (Er0.07La0.10Y0.83)2O3 sesquioxide ceramic

被引：2
作者：
Balabanov, Stanislav [1 ]
Loiko, Pavel [2 ]
Basyrova, Liza [2 ]
Permin, Dmitry [1 ,3 ]
Kosyanov, Denis [1 ,4 ]
Evstropov, Timofey [1 ]
Filofeev, Sergey [1 ]
Braud, Alain [2 ]
Camy, Patrice [2 ]
机构：
[1] GG Devyatykh Inst Chem High Pur Subst RAS, RAS, 49 Tropinin St, Nizhnii Novgorod 603137, Russia
[2] Univ Caen Normandie, Ctr Rech Ions Materiaux & Photon CIMAP, ENSICAEN, UMR 6252 CEA CNRS, 6 Blvd Marechal Juin, F-14050 Caen 4, France
[3] NI Lobachevsky Natl Res Univ, 23a Gagarin Ave, Nizhnii Novgorod 603950, Russia
[4] Far Eastern Fed Univ, 10 Ajax Bay, Vladivostok 690922, Russia
来源：
LASER PHYSICS LETTERS | 2023年 / 20卷 / 04期
基金：
俄罗斯科学基金会;
关键词：
transparent ceramic; sesquioxides; erbium ions; mid-infrared; optical spectroscopy; laser; HIGH-TEMPERATURE SYNTHESIS; 2.7; MU-M; TRANSPARENT CERAMICS; Y2O3;
D O I：
10.1088/1612-202X/acbce4
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A transparent sesquioxide ceramic (Er0.07La0.10Y0.83)(2)O-3 was fabricated by vacuum sintering at 1780 degrees C for 3 h with lanthana acting as a sintering additive. It was of single-phase nature (sp. gr. Ia (3) over bar) with a close-packed microstructure (average grain size: 17 mu m, pore content: 5 ppmv) and high transparency of 80% at 1.1 mu m. The La3+ ions induced additional inhomogeneous broadening in the absorption and emission spectra of Er3+ ions. For the I-4(11/2)-> I-4(13/2) transition, the stimulated-emission cross-section sigma(SE) was 1.06 x 10(-20) cm(2) at 2719 nm and the luminescence lifetimes of the I-4(11/2)/I-4(13/2) states amounted to 2.73/5.91 ms, respectively. A (Er0.07La0.10Y0.83)(2)O-3 ceramic laser generated 300 mW at 2840 nm with a slope efficiency of 27.7% and a laser threshold of only 17 mW.
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页数：6
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