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    Journals >Infrared and Laser Engineering >Volume 54 >Issue 3 >Page 20240614 > Article
    • Infrared and Laser Engineering
    • Vol. 54, Issue 3, 20240614 (2025)
    mJ-level pulses based on pulsed pumping with Yb:YAG-rod femtosecond laser amplifier (invited)
    Ruyi FENG1, Yue ZOU2, Jingyu HAO1,*, Sijia WANG3,*..., Bowen LIU1,4, Jintao FAN1 and Minglie HU1,4|Show fewer author(s)
    Author Affiliations
  • 1Ultrafast Laser Laboratory & Key Laboratory of Optoelectronic Information Technology (Ministry of Education), School of Precision Instrument and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China
  • 2Beijing Opto-Electronics Technology Co., Ltd., Beijing 100015, China
  • 3Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology, Beijing 100094, China
  • 4Georgia Tech Shenzhen Institute, Tianjin University, Shenzhen 518071, China
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    DOI: 10.3788/IRLA20240614 Cite this Article
    Ruyi FENG, Yue ZOU, Jingyu HAO, Sijia WANG, Bowen LIU, Jintao FAN, Minglie HU. mJ-level pulses based on pulsed pumping with Yb:YAG-rod femtosecond laser amplifier (invited)[J]. Infrared and Laser Engineering, 2025, 54(3): 20240614 Copy Citation Text show less
    Experimental setup of high-energy solid-state femtosecond laser system
    Fig. 1. Experimental setup of high-energy solid-state femtosecond laser system
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    Simulation of beam self-reproduction. (a) Schematic diagram; (b) Beam size at different positions (The dashed line in figure (b) corresponds to the device position in the figure (a))
    Fig. 2. Simulation of beam self-reproduction. (a) Schematic diagram; (b) Beam size at different positions (The dashed line in figure (b) corresponds to the device position in the figure (a))
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    Output results of amplifier. (a) Output power at 5 kHz; (b) Output power at 1 kHz; (c) Output energy; (d) Spectra
    Fig. 3. Output results of amplifier. (a) Output power at 5 kHz; (b) Output power at 1 kHz; (c) Output energy; (d) Spectra
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    Result of compressed. (a) Autocorrelation curve; (b) M2 curve; (c) Depolarization power; (d) Stability of energy
    Fig. 4. Result of compressed. (a) Autocorrelation curve; (b) M2 curve; (c) Depolarization power; (d) Stability of energy
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    Result of frequency conversion. (a) SHG; (b) SFG; (c) Output spectra; (d) M2 curve; (e) Stability of power
    Fig. 5. Result of frequency conversion. (a) SHG; (b) SFG; (c) Output spectra; (d) M2 curve; (e) Stability of power
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    Ruyi FENG, Yue ZOU, Jingyu HAO, Sijia WANG, Bowen LIU, Jintao FAN, Minglie HU. mJ-level pulses based on pulsed pumping with Yb:YAG-rod femtosecond laser amplifier (invited)[J]. Infrared and Laser Engineering, 2025, 54(3): 20240614
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