Diode-pumped Nd:YAG laser producing 122-W CW power at 1.319 μm

被引：59
|
作者：
Inoue, Y [1 ]
Fujikawa, S [1 ]
机构：
[1] Mitsubishi Elect Corp, Adv Technol R&D Ctr, Itami, Hyogo 6618661, Japan
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 2000年 / 36卷 / 06期
关键词：
CW lasers; energy transfer; Nd : YAG lasers; power lasers; solid-state lasers; thermal factors;
D O I：
10.1109/3.845733
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：
A high-power diode-pumped Nd:YAG laser oscillating at a wavelength of 1.319 mu m is reported. A 122-W CW laser beam with an M2 factor of 35 has been achieved with an optical efficiency of 19.6%, The Lasing characteristics, including thermal lensing, at 1.319 mu m are compared with those at 1.06 mu m. Under lasing conditions, the focal length of thermal lensing at 1.319 mu m decreases by 25% and increases by 15% at 1.06 mu m with respect to the nonlasing conditions. Based on the experimental results, the heat dissipation in an Nd:YAG rod is discussed with reference to nonradiative transitions from the upper laser level.
引用
收藏
页码：751 / 756
页数：6
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