Fourfold output power enhancement and threshold reduction through thermal effects in an Er3+/Yb3+-codoped optical fiber laser excited at 1.064 μm

被引：38

作者：

Jacinto, C ^{[1
]}

de Araujo, MT ^{[1
]}

Gouveia, EA ^{[1
]}

Gouveia-Neto, AS ^{[1
]}

机构：

[1] Univ Fed Alagoas, Dept Fis, BR-57072970 Maceio, Alagoas, Brazil

来源：

OPTICS LETTERS | 1999年 / 24卷 / 18期

关键词：

D O I：

10.1364/OL.24.001287

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Thermally induced output power enhancement and threshold reduction in an Er3+/Yb3+-codoped optical fiber laser at 1.54 mu m pumped by 1.064-mu m cw radiation is demonstrated. Steady fourfold output power increase and threshold decrease were achieved by heating of the Yb3+-sensitized Er3+-doped fiber laser medium in the temperature range 23-150 degrees C. The laser efficiency thermal behavior is assigned to the temperature-dependent effective absorption cross section of the ytterbium sensitizer through the so-called multiphonon-assisted anti-Stokes excitation process. (C) 1999 Optical Society of America. OCIS codes: 140.3510, 160.5690, 140.6810, 140.5680, 190.2620, 060.2320.

引用

页码：1287 / 1289

页数：3

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