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Chinese Journal of Lasers, Volume. 46, Issue 6, 0614027(2019)

Large-Pulse-Energy Terahertz Parametric Source Based on KTiOPO4 Crystal

Chenyang Jia1, Xingyu Zhang1、*, Zhenhua Cong1, Zengguang Qin1, Zhaojun Liu1, Xiaohan Chen1, Jie Zang1, Yuan Li1, Feilong Gao1, Yue Jiao1, Weitao Wang2, and Shaojun Zhang3
Author Affiliations
  • 1 Shandong Provincial Key Laboratory of Laser Technology and Application, School of Information Science and Engineering, Shandong University, Qingdao, Shandong 266237, China
  • 2 Laser Institute of Shandong Academy of Sciences, Jinan, Shandong 250014, China
  • 3 State Key Laboratory of Crystal Materials, Shandong University, Jinan, Shandong 250100, China
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    Schematic of experimental setup

    Fig. 1. Schematic of experimental setup

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    KTiOPO4 crystal used in Stokes parametric amplifier

    Fig. 2. KTiOPO4 crystal used in Stokes parametric amplifier

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    Output energy of Stokes light in Stokes parametric oscillator versus pump light energy

    Fig. 3. Output energy of Stokes light in Stokes parametric oscillator versus pump light energy

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    Output energy of Stokes light in Stokes parametric amplifier versus time delay

    Fig. 4. Output energy of Stokes light in Stokes parametric amplifier versus time delay

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    Waveforms of pump light pulses and Stokes light pulses for different time delays. (a) 0 ns; (b) 1.7 ns; (c) 2.7 ns; (d) 4.0 ns

    Fig. 5. Waveforms of pump light pulses and Stokes light pulses for different time delays. (a) 0 ns; (b) 1.7 ns; (c) 2.7 ns; (d) 4.0 ns

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    Output energy of Stokes light in Stokes parametric amplifier versus pump light energy

    Fig. 6. Output energy of Stokes light in Stokes parametric amplifier versus pump light energy

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    Terahertz wave pulse energy in Stokes parametric amplifier versus pump light energy

    Fig. 7. Terahertz wave pulse energy in Stokes parametric amplifier versus pump light energy

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    Waveforms of pump light pulse and residual pump light pulse

    Fig. 8. Waveforms of pump light pulse and residual pump light pulse

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    Chenyang Jia, Xingyu Zhang, Zhenhua Cong, Zengguang Qin, Zhaojun Liu, Xiaohan Chen, Jie Zang, Yuan Li, Feilong Gao, Yue Jiao, Weitao Wang, Shaojun Zhang. Large-Pulse-Energy Terahertz Parametric Source Based on KTiOPO4 Crystal[J]. Chinese Journal of Lasers, 2019, 46(6): 0614027

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    Paper Information

    Category: terahertz technology

    Received: Nov. 19, 2018

    Accepted: Jan. 4, 2019

    Published Online: Jun. 14, 2019

    The Author Email: Zhang Xingyu (xyz@sdu.edu.cn)

    DOI:10.3788/CJL201946.0614027

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology