1kW high-beam-quality and highly-efficient diode-pumped Nd:YAG rod laser

被引：1

作者：

Seguchi, M ^{[1
]}

Fujikawa, S ^{[1
]}

Furuta, K ^{[1
]}

Takenaka, Y ^{[1
]}

Yasui, K ^{[1
]}

机构：

[1] Mitsubishi Electr Corp, Adv Technol R&D Ctr, Amagasaki, Hyogo 6618661, Japan

来源：

FIRST INTERNATIONAL SYMPOSIUM ON HIGH-POWER LASER MACROPROCESSING | 2003年 / 4831卷

关键词：

diode-pumpd; DPSS; Nd : YAG; power-scaling; high-beam-quality; high-efficiency;

D O I：

10.1117/12.497940

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

We have achieved a high-quality beam generation with highly efficient quasi-cw Nd:YAG laser over 1-kW with a novel side-pumping configuration using micro-lens free diode-stacks as a part of "Advanced Photon Processing and Measurement Technologies" program. We have demonstrated a power scaling of Nd:YAG rod laser over 1-kW while maintaining high-beam-quality and high-efficiency by cascaded-coupling of two identical bifocusing compensation resonators. Laser power of 1050W was obtained with the beam quality of M-2 = 8 at the electric-to-optical efficiency of 23%. In this work, we also demonstrated the focusing ability of less than 50mum diameter on the focal plane by using a f50mm lens (N.A. 0.2).

引用

页码：101 / 103

页数：3