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兆瓦峰值功率输出的超低纤芯数值孔径大模场光子晶体光纤

Ultra-Low Core Numerical Aperture Large Mode Area Photonic Crystal Fiber with 1 MW Peak Power Output

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摘要

基于溶胶凝胶技术结合高温烧结法, 制备了折射率起伏小于1.5×10-4的Yb-Al-P-F高浓度掺杂石英芯棒, 采用堆垛法制备了纤芯数值孔径仅为0.02的75 μm芯径的光子晶体光纤。采用80 cm长的该型光纤在主振荡功率放大器皮秒放大结构中实现了平均功率102 W的激光输出, 峰值功率超过1 MW, 且66 min内未观察到功率下降。这是目前国内报道的国产光纤应用于高亮度皮秒放大系统实现峰值功率最高的自研光子晶体光纤。

Abstract

Based on the sol-gel technology combined with high temperature sintering, the Yb-Al-P-F high concentration co-doped silica glass rod with refractive index fluctuation less than 1.5×10-4 was prepared. Using the rod as the core, a photonic crystal fiber with a core diameter of 75 μm and a core numerical aperture of 0.02 was fabricated by the stack-and-draw technique. Using this fiber of 80 cm in length, an average output power of 102 W and a peak power over 1 MW were achieved in a master oscillating power amplification picosecond pulse system, and no obvious power decay was observed within 66 min. To our best knowledge, this is the best self-made photonic crystal fiber applied in the high-brightness picosecond amplification system, which can obtain the highest peak power in China.

Newport宣传-MKS新实验室计划
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中图分类号:O436

DOI:10.3788/aos201939.0536001

所属栏目:快报

基金项目:国家自然科学基金(61775224, 61505332)

收稿日期:2019-02-19

修改稿日期:2019-03-05

网络出版日期:2019-04-09

作者单位    点击查看

王孟:中国科学院上海光学精密机械研究所高功率激光单元技术实验室, 上海 201800中国科学院大学, 北京 100049
王璠:中国科学院上海光学精密机械研究所高功率激光单元技术实验室, 上海 201800中国科学院大学, 北京 100049
于春雷:中国科学院上海光学精密机械研究所高功率激光单元技术实验室, 上海 201800
冯素雅:中国科学院上海光学精密机械研究所高功率激光单元技术实验室, 上海 201800
王世凯:中国科学院上海光学精密机械研究所高功率激光单元技术实验室, 上海 201800
周秦岭:中国科学院上海光学精密机械研究所高功率激光单元技术实验室, 上海 201800
楼风光:中国科学院上海光学精密机械研究所高功率激光单元技术实验室, 上海 201800
张磊:中国科学院上海光学精密机械研究所高功率激光单元技术实验室, 上海 201800
陈丹平:中国科学院上海光学精密机械研究所高功率激光单元技术实验室, 上海 201800
胡丽丽:中国科学院上海光学精密机械研究所高功率激光单元技术实验室, 上海 201800

联系人作者:于春雷(sdycllcy@163.com); 冯素雅(fsy@siom.ac.cn); 胡丽丽(hulili@siom.ac.cn);

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引用该论文

Wang Meng,Wang Fan,Yu Chunlei,Feng Suya,Wang Shikai,Zhou Qinling,Lou Fengguang,Zhang Lei,Chen Danping,Hu Lili. Ultra-Low Core Numerical Aperture Large Mode Area Photonic Crystal Fiber with 1 MW Peak Power Output[J]. Acta Optica Sinica, 2019, 39(5): 0536001

王孟,王璠,于春雷,冯素雅,王世凯,周秦岭,楼风光,张磊,陈丹平,胡丽丽. 兆瓦峰值功率输出的超低纤芯数值孔径大模场光子晶体光纤[J]. 光学学报, 2019, 39(5): 0536001

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