TEMPERATURE-DEPENDENCE OF EFFICIENCY AND THERMAL LENSING OF DIODE-LASER-PUMPED ND-YAG LASERS

被引：16

作者：

BRAUCH, U

机构：

[1] Deutsche Forschungsanstalt für Luft- und Raumfahrt e. V., Institut für Technische Physik, Stuttgart, D-70569

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 1994年 / 58卷 / 05期

关键词：

42.55.Rz;

D O I：

10.1007/BF01081880

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Efficiencies, lasing thresholds and thermal lensing of a Nd: YAG rod side-pumped with two 10 W diode-laser-arrays are measured for various rod temperatures between 80 K and 380 K. The threshold is reduced by a factor of 2.5-4 on cooling from room temperature to about 100 K, while the slope efficiency is increased by between 0% and 50% depending on the reflectivity of the outcoupling mirror. Extrapolation to a 240 W pumped laser gives an increase in optical efficiency of 25% to 30%. The thermal lensing measured with a beam deflection and an interferometric method is reduced by a factor of 10.

引用

页码：397 / 402

页数：6

共 9 条

[1] STIMULATED EMISSION CROSS-SECTION AT 1.061 MU-M IN ND-YAG [J].