25%Eu:KGd(WO4)2 laser crystal: spectroscopy and lasing on the 5D0 → 7F4 transition

被引：20

作者：

Bagayev, S. N. ^{[1
]}

Dashkevich, V. I. ^{[2
]}

Orlovich, V. A. ^{[2
]}

Vatnik, S. M. ^{[1
]}

Pavlyuk, A. A. ^{[3
]}

Yurkin, A. M. ^{[4
]}

机构：

[1] Russian Acad Sci, Inst Laser Phys, Siberian Branch, Novosibirsk 630090, Russia

[2] Natl Acad Sci Belarus, BI Stepanov Phys Inst, Minsk 220072, BELARUS

[3] Russian Acad Sci, AV Nikolaev Inst Inorgan Chem, Siberian Branch, Novosibirsk 630090, Russia

[4] Russian Acad Sci, VS Sobolev Inst Geol & Mineraol, Siberian Branch, Novosibirsk 630090, Russia

来源：

QUANTUM ELECTRONICS | 2011年 / 41卷 / 03期

关键词：

Eu3+:KGd(WO4)(2) laser crystal; optical pumping into the F-7(0) -> D-5(1) band; lasing on the D-5(0) -> F-7(4) transition; LUMINESCENCE PROPERTIES; STIMULATED-EMISSION; EUROPIUM;

D O I：

10.1070/QE2011v041n03ABEH014495

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A 25%Eu : KGd(WO4)(2) crystal is grown by a modified Czochralski method and its spectral and lasing properties are studied. Generation of stimulated emission in this crystal on the D-5(0) -> F-7(4) transition of the Eu3+ ion is obtained, as far as we know, for the first time. The laser operates at room temperature at a wavelength of similar to 703 nm under pumping into the F-7(0) -> D-5(1) absorption band of the europium ion by the second harmonic of a Q-switched Nd:KGW laser (lambda(pump) = 533.6 nm). With a 9.4-mm-long active element, the output energy in the free-running regime reached 244 mu J, while the optical efficiency was 1.5 %.

引用

页码：189 / 192

页数：4

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