首页|Stable ultraviolet ultrafast laser based on all-polarization-maintaining fiber femtosecond laser
Stable ultraviolet ultrafast laser based on all-polarization-maintaining fiber femtosecond laser
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We report a high-stability ultrafast ultraviolet[UV]laser source at 352 nm by exploring an all-fiber,all-polarization-maintaining[all-PM],Yb-doped femtosecond fiber laser at 1060 nm.The output power,pulse width,and optical spectrum width of the fiber laser are 6 W,244 fs,and 17.5 nm,respectively.The UV ultrashort pulses at a repetition rate of 28.9 MHz are generated by leveraging single-pass second-harmonic generation in a 1.3-mm-long BiB306[BIBO]and sum frequency gen-eration in a 5.1-mm-long BIBO.The maximum UV output power is 596 mW.The root mean square error of the output power of UV pulses is 0.54％.This laser,with promising stability,is expected to be a nice source for frontier applications in the UV wavelength window.
State Key Laboratory of Luminescent Materials and Devices,Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices,Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques,South China University of Technology,Guangzhou 510640,China
Research Institute of Future Technology,South China Normal University,Guangzhou 510006,China
国家自然科学基金国家自然科学基金国家自然科学基金国家自然科学基金NSFC Development of National Major Scientific Research InstrumentMobility Programme of the Sino-GermanIntroduced Innovative Team Project of Guangdong Pearl River Talents Program广东省自然科学基金广东省科技计划
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