• Laser & Optoelectronics Progress
  • Vol. 59, Issue 17, 1714008 (2022)
Zhecan Guo, Fang Xie*, Xiaolei Guo, and Xiaoyuan Zhang
Author Affiliations
  • Laboratory of Opto-Electronic Information Science and Engineering, Department of Physics, School of Science, Beijing Jiaotong University, Beijing 100044, China
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    DOI: 10.3788/LOP202259.1714008 Cite this Article Set citation alerts
    Zhecan Guo, Fang Xie, Xiaolei Guo, Xiaoyuan Zhang. Multi-Wavelength and Narrow Linewidth Fiber Laser Based on Composite Resonator[J]. Laser & Optoelectronics Progress, 2022, 59(17): 1714008 Copy Citation Text show less
    Principle of dual-wavelength narrow linewidth fiber laser
    Fig. 1. Principle of dual-wavelength narrow linewidth fiber laser
    Principle of the frequency selection of composite resonator
    Fig. 2. Principle of the frequency selection of composite resonator
    Principle of three-wavelength narrow linewidth fiber laser
    Fig. 3. Principle of three-wavelength narrow linewidth fiber laser
    Spectrum of dual-wavelength narrow linewidth laser
    Fig. 4. Spectrum of dual-wavelength narrow linewidth laser
    Pump/laser power of one wavelength of dual-wavelength narrow linewidth fiber laser
    Fig. 5. Pump/laser power of one wavelength of dual-wavelength narrow linewidth fiber laser
    Measurement principle of output power of dual-wavelength narrow linewidth fiber laser
    Fig. 6. Measurement principle of output power of dual-wavelength narrow linewidth fiber laser
    Output power of two wavelengths
    Fig. 7. Output power of two wavelengths
    Principle of the heterodyne interferometric experiments. (a) Schematic diagram of the interference experiment system; (b) actual photo of the interference experiment system
    Fig. 8. Principle of the heterodyne interferometric experiments. (a) Schematic diagram of the interference experiment system; (b) actual photo of the interference experiment system
    Heterodyne interferometric signal when the light source is multi-longitudinal mode and single-longitudinal mode laser. (a) Multi-longitudinal mode heterodyne interference signal; (b) single longitudinal mode heterodyne interference signal
    Fig. 9. Heterodyne interferometric signal when the light source is multi-longitudinal mode and single-longitudinal mode laser. (a) Multi-longitudinal mode heterodyne interference signal; (b) single longitudinal mode heterodyne interference signal
    Heterodyne interferometric signal of any wavelength of dual-wavelength laser
    Fig. 10. Heterodyne interferometric signal of any wavelength of dual-wavelength laser
    Spectrum of three-wavelength narrow linewidth laser
    Fig. 11. Spectrum of three-wavelength narrow linewidth laser
    Pump/laser power of one wavelength of three-wavelength narrow linewidth fiber laser
    Fig. 12. Pump/laser power of one wavelength of three-wavelength narrow linewidth fiber laser
    Principle of power measurement for three wavelengths
    Fig. 13. Principle of power measurement for three wavelengths
    Output power of three wavelengths
    Fig. 14. Output power of three wavelengths
    Heterodyne interference signal of any wavelength of three-wavelength laser
    Fig. 15. Heterodyne interference signal of any wavelength of three-wavelength laser
    Fiber gratingλB /nm3 dB bandwidth of reflection spectrum d /nmReflectivity /%
    FBG111529.850.165
    FBG121529.850.165
    FBG211542.650.165
    FBG221542.650.165
    FBG231542.650.699
    Table 1. Grating parameters of dual-wavelength narrow linewidth fiber laser
    FiberFiber length L
    L11104
    L12100
    L21104
    L22100
    Table 2. Length of L11L22 in dual-wavelength narrow linewidth fiber laser
    Fiber gratingλB /nm3 dB bandwidth of reflection spectrum d /nmReflectivity /%
    FBG111529.850.165
    FBG121529.850.165
    FBG211542.650.165
    FBG221542.650.165
    FBG231542.650.699
    FBG311558.000.165
    FBG321558.000.165
    FBG331558.000.699
    Table 3. Parameters of three-wavelength narrow linewidth fiber laser
    FiberFiber length L
    L11104
    L12100
    L21104
    L22100
    L31104
    L32100
    Table 4. Length of L11L32 in three-wavelength narrow linewidth fiber laser
    Zhecan Guo, Fang Xie, Xiaolei Guo, Xiaoyuan Zhang. Multi-Wavelength and Narrow Linewidth Fiber Laser Based on Composite Resonator[J]. Laser & Optoelectronics Progress, 2022, 59(17): 1714008
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