HIGHLY EFFICIENT ER-3+PR-3+- CODOPED CW FLUOROZIRCONATE FIBER LASER OPERATING AT 2.7 MU-M

被引：16

作者：

SCHNEIDER, J ^{[1
]}

HAUSCHILD, D ^{[1
]}

FRERICHS, C ^{[1
]}

WETENKAMP, L ^{[1
]}

机构：

[1] FACHHSCH STRALSUND,FACHBEREICH ELEKTROTECH NACHRICHTENTECH,D-18435 STRALSUND,GERMANY

来源：

INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES | 1994年 / 15卷 / 11期

关键词：

MIDINFRARED; FIBER LASER; CODOPING; FLUORIDE FIBER; ERBIUM; PRASEODYMIUM;

D O I：

10.1007/BF02096058

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：

We report highly efficient CW fiber lasers at 2.7 mum in an Er3+-doped and weakly Pr3+-codoped fluoroziconate fiber. The fiber lasers were pumped in three pump wavelength ranges around 650, 795 and 980 nm. Higher output powers of nearly 30 mW and a broader potential tuning range of 180 nm compared to Er3+ singly doped fiber lasers are demonstrated. Laser efficiencies of more than 13% were achieved. It is shown that the fiber laser can be tuned to longer wavelengths by increasing the pump power or, in certain cases, by increasing the pump wavelength. Furthermore, we present the wavelength tuning of the Er3+:Pr3+-codoped system by an external grating. The relationships between laser wavelength and pump rates are described, and the reasons for the improvements with Pr3+-codoping are given.

引用

页码：1907 / 1922

页数：16

共 13 条

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