中国光学, 2015, 8 (2): 182, 网络出版: 2015-04-28   

高功率皮秒紫外激光器新进展

New progress in high-power picosecond ultraviolet laser
毛小洁 1,2,*
作者单位
1 固体激光技术重点实验室, 北京 100015
2 华北光电技术研究所, 北京 100015
摘要
高功率皮秒紫外激光器在高精密加工、激光医疗、光电对抗和光伏产业等领域有重要应用, 近年来成为固体激光新光源研究热点。本文对国内外基于和频技术的高功率皮秒紫外激光器研究新进展进行了归纳和总结。首先, 阐述了和频工作原理, 介绍了和频产生皮秒紫外激光的非线性晶体; 然后, 介绍了国内外高功率皮秒紫外激光器的新进展, 包括: 高功率皮秒紫外激光器、高峰值功率皮秒紫外激光器、高功率和高峰值功率皮秒紫外激光器。最后, 展望了高功率皮秒紫外激光器的进一步发展及应用。归纳和总结表明: 高功率皮秒紫外激光器在国外较成熟, 国内在该领域的研究刚刚起步。光子晶体光纤和碟片激光器输出基频光的皮秒紫外激光器有突出的优势, 已成为皮秒紫外激光产业的主力军。
Abstract
High-power picosecond ultraviolet lasers have attracted considerable interests as novel laser source, due to their wide applications in high precision product, laser medical system, optoelectronic countermeasure and structuring of silicon. The research and development on high-power picosecond ultraviolet laser based on technology of sum frequency are classified and summarized. First, the mechanism of sum frequency and picosecond ultraviolet crystal are discussed. Then the high-power picosecond ultraviolet laser, the high-peak-power picosecond ultraviolet laser, and the high-power and high-peak-power picosecond ultraviolet lasers are discussed. Finally, the prospect of further development and applications of high-power picosecond ultraviolet laser sources is put forward. According to the latest development, it is indicated that the high power picosecond ultraviolet lasers developed in abroad is in maturity stage but just in starting stage at. The high-power picosecond ultraviolet lasers based on photonic crystal fiber laser and thin disk laser have some merits, which play important roles in laser industry.

毛小洁. 高功率皮秒紫外激光器新进展[J]. 中国光学, 2015, 8(2): 182. MAO Xiao-jie. New progress in high-power picosecond ultraviolet laser[J]. Chinese Optics, 2015, 8(2): 182.

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