Laser emission from low-loss cladding waveguides in Pr:YLF by femtosecond laser helical inscription

被引：0
|
作者：
任莹莹 [1 ]
崔泽孟 [1 ]
孙丽菲 [1 ]
王超 [1 ]
刘洪亮 [2 ]
蔡阳健 [1 ,3 ]
机构：
[1] Shandong Provincial Engineering and Technical Center of Light Manipulations and Shandong Provincial Key Laboratory of Optics and Photonic Device,School of Physics and Electronics, Shandong Normal University
[2] Key Laboratory of Optical Information Science and Technology, Ministry of Education, Institute of Modern Optics, Nankai University
[3] School of Physical Science and Technology, Soochow University
来源：
Chinese Optics Letters | 2022年 / 20卷 / 12期
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
TN249 [激光的应用];
学科分类号：
摘要：
Depressed cladding waveguides are fabricated in Pr:LiYF4(YLF) crystal by femtosecond laser inscription following a helical scheme. With the optimized parameters, the propagation loss of the waveguide is around 0.12 dB/cm for multimode guiding. Under optical pumping with InGaN laser diodes at 444 nm, efficient waveguide lasers in the orange around604 nm(π-polarized) are achieved with minimum lasing threshold of 119.8 mW, maximum slope efficiency of 16.6%, and maximum output power of 120.6 mW. Benefiting from their optimized performances, the waveguides produced in this work are promising for applications as compact orange laser sources.
引用
收藏
页码：47 / 53
页数：7
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