• High Power Laser Science and Engineering
  • Vol. 9, Issue 3, 03000e38 (2021)
Xinlin Lü1、2, Yujie Peng1, Wenyu Wang1、3, Yuanan Zhao4, Xiangyu Zhu4, and Yuxin Leng1、*
Author Affiliations
  • 1State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai201800, China
  • 2Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing100049, China
  • 3School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan430074, China
  • 4Laboratory of Thin Film Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai201800, China
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    DOI: 10.1017/hpl.2021.23 Cite this Article Set citation alerts
    Xinlin Lü, Yujie Peng, Wenyu Wang, Yuanan Zhao, Xiangyu Zhu, Yuxin Leng. High-energy, high-repetition-rate ultraviolet pulses from an efficiency-enhanced, frequency-tripled laser[J]. High Power Laser Science and Engineering, 2021, 9(3): 03000e38 Copy Citation Text show less
    Schematic of the UV laser system and transverse beam profiles of the amplified pulses at 1064 nm (ω), 532 nm (2ω), and 355 nm (3ω) measured at their maximum energies via relay imaging. RA, regenerative amplifier; MA, main amplifier; HR, high reflector; HWP, half-wave plate; PBS, polarization beam splitter; FR, Faraday rotator; TFP, thin-film plate; QWP, quarter-wave plate; PC, Pockels cell; LD, laser diode; DM, dichroic mirror.
    Fig. 1. Schematic of the UV laser system and transverse beam profiles of the amplified pulses at 1064 nm (ω), 532 nm (2ω), and 355 nm (3ω) measured at their maximum energies via relay imaging. RA, regenerative amplifier; MA, main amplifier; HR, high reflector; HWP, half-wave plate; PBS, polarization beam splitter; FR, Faraday rotator; TFP, thin-film plate; QWP, quarter-wave plate; PC, Pockels cell; LD, laser diode; DM, dichroic mirror.
    Time-domain waveforms of (a) an unmodulated 1064 nm seed laser pulse, (b) its corresponding 355 nm output, (c) a programmed 1064 nm seed laser pulse, and (d) its corresponding 355 nm output.
    Fig. 2. Time-domain waveforms of (a) an unmodulated 1064 nm seed laser pulse, (b) its corresponding 355 nm output, (c) a programmed 1064 nm seed laser pulse, and (d) its corresponding 355 nm output.
    Relationship between THG conversion efficiency and the measured pulse width (FWHM) of the 355 nm output laser.
    Fig. 3. Relationship between THG conversion efficiency and the measured pulse width (FWHM) of the 355 nm output laser.
    (a) Ideal ensquared energy of a focused flat-top beam and the actually measured ensquared energy of various far-field laser beams: (b) 355 nm, (c) 532 nm, and (d) 1064 nm measured at their maximum energies.
    Fig. 4. (a) Ideal ensquared energy of a focused flat-top beam and the actually measured ensquared energy of various far-field laser beams: (b) 355 nm, (c) 532 nm, and (d) 1064 nm measured at their maximum energies.
    Energy stability of 1064 nm and 355 nm laser pulses.
    Fig. 5. Energy stability of 1064 nm and 355 nm laser pulses.
    Xinlin Lü, Yujie Peng, Wenyu Wang, Yuanan Zhao, Xiangyu Zhu, Yuxin Leng. High-energy, high-repetition-rate ultraviolet pulses from an efficiency-enhanced, frequency-tripled laser[J]. High Power Laser Science and Engineering, 2021, 9(3): 03000e38
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