11-mJ pulse energy wideband Yb-doped fiber laser |
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| Authors: | C Zheng HT Zhang WY Cheng M Liu P Yan ML Gong |
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| Institution: | 1. M.N. Miheev Institute of Metal Physics of Ural Branch of Russian Academy of Sciences, 620137 Yekaterinburg, Russia;2. II. Physikalisches Institut, Universität zu Köln, Zülpicher Strasse 77, D-50937 Köln, Germany;3. Ural Federal University, 620002 Yekaterinburg, Russia;1. Fiberoptics and Opto-Electronics Group, Department of Physics, C.V. Raman College of Engineering, Janla, Bhubaneswar 752054, Odisha, India;2. Department of Basic Science, MCKV Institute of Engineering, Liluah, Howrah 711204, West Bengal, India;1. Engineering Research Center of Optical Instrument and System, Ministry of Education and Shanghai Key Lab of Modern Optical System, University of Shanghai for Science and Technology, No. 516 Jungong Road, Shanghai 200093, China;2. Key Laboratory of High-temperature and High-pressure Study of the Earth’s Interior, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China;1. Department of Communication Technology, Electronic Information Engineering College, Suzhou Vocational University, Suzhou 215104, Jiangsu, China;2. Simon Fraser University, 8888 University Drive Burnaby, B.C., Canada V5A 1S6;3. College of Electrical Engineering and Automation, Anhui University, Hefei 230039, Anhui, China |
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| Abstract: | We report a wide bandwidth (Δλ=8 nm) optical pulsed MOPA (master oscillator power amplifier) source emitting 11.23 mJ pulses (1.25 MW peak power) in the wavelength centered at (λ=1064 nm). Pulse duration and repetition rate were 9 ns and from 10 Hz to 100 Hz, respectively. In order to suppress amplified spontaneous emission (ASE), multi-stage pulse pump technology is applied. And the large core diameter (90 μm) and wide bandwidth ensures the high peak power and energy output. |
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