Quasi-continuous wave and continuous wave laser operation of Eu:KGd(WO4)2 crystal on a 5D0 → 7F4 transition

被引：16

作者：

Dashkevich, V. I. ^{[1
]}

Bagayev, S. N. ^{[2
]}

Orlovich, V. A. ^{[1
]}

Bui, A. A. ^{[1
]}

Loiko, P. A. ^{[3
]}

Yumashev, K. V. ^{[3
]}

Kuleshov, N. V. ^{[3
]}

Vatnik, S. M. ^{[2
]}

Pavlyuk, A. A. ^{[4
]}

机构：

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

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

[3] Belarusian Natl Tech Univ, Ctr Opt Mat & Technol, Minsk 220013, BELARUS

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

来源：

LASER PHYSICS LETTERS | 2015年 / 12卷 / 01期

关键词：

europium; double tungstates; red laser; CW mode; STIMULATED-EMISSION; EUROPIUM; PHOTOLUMINESCENCE; LUMINESCENCE;

D O I：

10.1088/1612-2011/12/1/015006

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on the first demonstration of quasi-continuous wave (quasi-CW) and real CW room-temperature lasing on the D-5(0) -> F-7(4) transition of Eu3+-doped material using a 25 at.% Eu3+ : KGd(WO4)(2) crystal pumped into the F-7(1) -> D-5(1) transition by a diode-end-pumped Nd3+ : KGd(WO4)(2)/KTP green laser at 533.6 nm. The maximum CW output power of this laser at 702.3 nm is 5.3 mW with 1.4% green-to-red conversion efficiency. In quasi-CW operation mode with a 10% duty cycle, the peak power of ms long pulses reaches similar to 54 mW, which corresponds to the optical conversion efficiency of 3.5%.

引用

页数：6

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