Acta Optica Sinica, Volume. 40, Issue 4, 404001(2020)

Tunable THz Radiation Source Based on DAST Crystal via Difference Frequency Generation

Xu Degang1,2,3, Zhu Xianli1,2,3, Wang Yuye1,2,3、*, Li Jining1,2,3, He Yixin1,2,3, Pang Zibo4, Cheng Hongjuan4, and Yao Jianquan1,2,3
Author Affiliations
  • 1School of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China
  • 2The Institute of Laser & Opto-Electronics, Tianjin University, Tianjin 300072, China
  • 3Key Laboratory of Opto-Electronic Information Technology, Ministry of Education, Tianjin University, Tianjin 300072, China
  • 4The 46th Research Institute, China Electronics Technology Group Corporation, Tianjin 300220, China
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    Figures & Tables(7)
    Growth device of DAST crystal by spontaneous nucleation method
    Experimental setup of THz radiation source based on DAST crystal via different frequency generation
    Photographs of DAST crystal. (a) Mass concentration is 3.0 g/100mL, size is (4×3.5×0.35) mm3; (b) mass concentration is 3.5 g/100 mL, size is (4×4×0.38) mm3; (c) mass concentration is 4.0 g/100 mL, size is (4.5×3.5×0.4) mm3
    Microscopic images of the (001) plane of DAST crystal. (a) Mass concentration is 3.0 g/100 mL;(b) mass concentration is 3.5 g/100 mL; (c) mass concentration is 4.0 g/100 mL
    Raman spectrum of DAST crystal
    Output performance of KTP-OPO. (a) Relationship between phase-matching angle of KTP-OPO and the output wavelength of signal light and idle light; (b) relationship between voltage of optical scanner and the output wavelength of signal light; (3) dual wavelength pump light output characteristic of KTP-OPO; (4) dual-wavelength tunability characteristic of KTP-OPO
    Broadband THz output spectrum based on DAST crystal
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    Xu Degang, Zhu Xianli, Wang Yuye, Li Jining, He Yixin, Pang Zibo, Cheng Hongjuan, Yao Jianquan. Tunable THz Radiation Source Based on DAST Crystal via Difference Frequency Generation[J]. Acta Optica Sinica, 2020, 40(4): 404001

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    Paper Information

    Category: Detectors

    Received: Sep. 2, 2019

    Accepted: --

    Published Online: Feb. 11, 2020

    The Author Email: Yuye Wang (yuyewang@tju.edu.cn)

    DOI:10.3788/AOS202040.0404001

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