Bulk Nd3+-doped tellurite glass laser at 1.37 μm

被引：24

作者：

Cankaya, H. ^{[1
]}

Sennaroglu, A. ^{[1
]}

机构：

[1] Koc Univ, Dept Phys, Laser Res Lab, TR-34450 Istanbul, Turkey

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2010年 / 99卷 / 1-2期

关键词：

OPTICAL COHERENCE TOMOGRAPHY; UP-CONVERSION; FIBER LASER; FLUORIDE FIBER; ND3+; NM; EMISSION;

D O I：

10.1007/s00340-009-3752-0

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have demonstrated, for the first time to our knowledge, lasing at 1.37 mu m in a tellurite-based glass host doped with 0.5 mol.% neodymium: Nd3+:(0.8)TeO2-(0.2)WO3. The gain-switched laser could be operated with 59 mu J threshold pulse energy as well as 5.5% slope efficiency. As high as 6 mu J-pulses with a duration of 1.74 mu s were obtained. The pulse repetition rate was 1 kHz. The emission cross section from the threshold analysis turned out to be 1.57x10(-20) cm(2) at 1370 nm by taking into account excited-state absorption from F-4(3/2) to (4)G(7/2) energy level. Furthermore, the ratio of excited-state absorption to the emission cross section was found out to be 0.78 by using the slope efficiency value.

引用

页码：121 / 125

页数：5

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