Thermo-optical and lasing characteristics of Cr2+-doped CdSe single crystal as tunable coherent source in the mid-infrared

被引：24

作者：

Fernandez, Toney T. ^{[1
]}

Tarabrin, Mikhail K. ^{[2
,3
]}

Wang, Yuchen ^{[1
]}

Lazarev, Vladimir A. ^{[2
]}

Leonov, Stanislav O. ^{[2
]}

Karasik, Valeriy E. ^{[2
]}

Korostelin, Yurii V. ^{[3
]}

Frolov, Mikhail P. ^{[3
,4
]}

Podmarkov, Yurii P. ^{[3
]}

Skasyrsky, Yan K. ^{[3
]}

Kozlovsky, Vladimir I. ^{[3
,5
]}

Svelto, Cesare ^{[6
]}

Maddaloni, Pasquale ^{[7
]}

Coluccelli, Nicola ^{[1
,8
]}

Laporta, Paolo ^{[1
,8
]}

Galzerano, Gianluca ^{[1
,8
]}

机构：

[1] Politecn Milan, Dipartimento Fis, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy

[2] Bauman Moscow State Tech Univ, Moscow 105005, Russia

[3] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia

[4] Moscow Inst Phys & Technol, Moscow 117303, Russia

[5] Natl Res Nucl Univ MEPhI, Moscow 115409, Russia

[6] Politecn Milan, Dipartimento Elettron Informaz & Bioingn, Via Ponzio 34-5, I-20133 Milan, Italy

[7] CNR, Ist Nazl Ott, Via Campi Flegrei 34, I-80078 Pozzuoli, NA, Italy

[8] CNR, Ist Foton & Nanotecnol, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy

来源：

OPTICAL MATERIALS EXPRESS | 2017年 / 7卷 / 11期

基金：

俄罗斯科学基金会;

关键词：

CR2+; LASERS;

D O I：

10.1364/OME.7.003815

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report on a comprehensive characterization of Cr2+-doped CdSe single crystal as an efficient active material for tunable laser applications in the mid-infrared spectral region. Optical gain, thermo-optical behavior, power efficiency, scalability and wavelength tunability have been thoroughly investigated. Using an antireflection-coated crystal pumped by a Tmfiber laser at at 1.94 mu m, 1-W CW output power and 50% slope efficiency at 2.65 aem emission wavelength have been obtained in a diffraction-limited output beam. An output peak power of 2.5 W has been achieved without significant beam distortion in a quasi-CW regime. Exploiting an intra-cavity diffraction grating in a Littrow configuration, a maximum tuning range of 900 nm from 2.22 to 3.12 mu m, limited by the finite bandwidth of resonator components, has been demonstrated with an uncoated crystal. (C) 2017 Optical Society of America

引用

页码：3815 / 3825

页数：11

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