Thermal lensing in Nd:GdVO4 laser with 912 nm diode pumping

被引：0
|
作者：
Nadimi, Mohammad [1 ]
Waritanant, Tanant [1 ]
Major, Arkady [1 ]
机构：
[1] Univ Manitoba, Dept Elect & Comp Engn, 75A Chancellors Circle, Winnipeg, MB R3T 5V6, Canada
来源：
SOLID STATE LASERS XXVIII: TECHNOLOGY AND DEVICES | 2019年 / 10896卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Diode-pumped lasers; neodymium lasers; solid-state lasers; OPTICAL PARAMETRIC OSCILLATION; POWER CONTINUOUS-WAVE; NDYVO4; LASER; MICROCHIP LASER; EFFICIENCY; OPERATION; GENERATION; ANISOTROPY;
D O I：
10.1117/12.2509046
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Thermal lensing effect in a Nd:GdVO4 laser system operating at 1063 nm with in-band pumping at 912 nm was studied. The thermal lensing strength was experimentally measured and the determined focal power was as strong as 9 m(-1) at 11.3 W of output power. The sensitivity factor of the thermal lens was calculated to be as small as M = 0.503 m(-1)/W for the pump spot size radius of similar to 197 mu m. The present work indicates that in-band pumping at 912 nm can offer further power scaling opportunities for the Nd:GdVO4 lasers due to the strongly reduced thermal lensing effect.
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页数：6
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