• Infrared and Laser Engineering
  • Vol. 53, Issue 3, 20240003 (2024)
Yusen Liu1,2, Jianbo Wang2, Cong Yin2, Shaokun Han1..., Wenwen Bi1, Qiuye Yu2,3 and Jinpeng Zou2|Show fewer author(s)
Author Affiliations
  • 1School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China
  • 2National Institute of Metrology, Beijing 100029, China
  • 3College of Metrology & Measurement Engineering, China Jiliang University, Hangzhou 310018, China
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    DOI: 10.3788/IRLA20240003 Cite this Article
    Yusen Liu, Jianbo Wang, Cong Yin, Shaokun Han, Wenwen Bi, Qiuye Yu, Jinpeng Zou. Frequency stabilization method of optical phase-locked loop He-Ne laser based on acousto-optic modulator[J]. Infrared and Laser Engineering, 2024, 53(3): 20240003 Copy Citation Text show less
    Schematic diagram of AOM and optical phase-locked loop system
    Fig. 1. Schematic diagram of AOM and optical phase-locked loop system
    Frequency stabilization system based on acousto-optic modulators and optical phase-locked loops
    Fig. 2. Frequency stabilization system based on acousto-optic modulators and optical phase-locked loops
    Double-pass optical path of AOM
    Fig. 3. Double-pass optical path of AOM
    The relationship between driving frequency and input voltage of AOM
    Fig. 4. The relationship between driving frequency and input voltage of AOM
    Optical phase-locked loop model
    Fig. 5. Optical phase-locked loop model
    The relationship between diffraction efficiency and driving voltage
    Fig. 6. The relationship between diffraction efficiency and driving voltage
    The relationship between signal to noise ratio of beat frequency signal and driving voltage
    Fig. 7. The relationship between signal to noise ratio of beat frequency signal and driving voltage
    The relationship between beat frequency standard deviation and PI control circuit parameters
    Fig. 8. The relationship between beat frequency standard deviation and PI control circuit parameters
    (a) Beat frequency spectrum before loop locking; (b) Beat frequency spectrum after loop locking; (c) Beat frequency signal expansion diagram; (d) AOM drive frequency map when the loop is not locked; (e) AOM drive frequency map during loop locking; (f) AOM drive frequency expansion diagram when the loop is not locked
    Fig. 9. (a) Beat frequency spectrum before loop locking; (b) Beat frequency spectrum after loop locking; (c) Beat frequency signal expansion diagram; (d) AOM drive frequency map when the loop is not locked; (e) AOM drive frequency map during loop locking; (f) AOM drive frequency expansion diagram when the loop is not locked
    Fluctuating beat frequency after free operation and locking
    Fig. 10. Fluctuating beat frequency after free operation and locking
    Comparison diagram of Allen variance of optical phase-locked loop system and reference signal
    Fig. 11. Comparison diagram of Allen variance of optical phase-locked loop system and reference signal
    Yusen Liu, Jianbo Wang, Cong Yin, Shaokun Han, Wenwen Bi, Qiuye Yu, Jinpeng Zou. Frequency stabilization method of optical phase-locked loop He-Ne laser based on acousto-optic modulator[J]. Infrared and Laser Engineering, 2024, 53(3): 20240003
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