Journal of Infrared and Millimeter Waves, Volume. 42, Issue 5, 681(2023)

Wavelength tunable fiber laser for CARS imaging

Ming-Ze ZHAO, Jia-Ying LI, Liang LIU, Dian-Dian LI, Qiang HAO, and Kang-Wen YANG*
Author Affiliations
  • School of Optical Electrical and Computer Engineering,University of Shanghai for Science and Technology,Shanghai 200093
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    Figures & Tables(5)
    Diagram of experimental setup:WDM:wavelength division multiplexer;EDF:erbium doped fiber;OC:optical coupler;PS:phase shifter;FRM:Faraday rotation mirror;EYDF:erbium ytterbium doped fiber;YSF:Yb doped fiber;Col:collimator;FBG:fiber bragg grating;ISO:isolator;F-PBS:fiber polarization beam splitter;HWP:half-wave plate;Divider:pulse separator;M:Mirror;PCF:Photonic crystal fiber
    (a)Spectral simulation diagram of pulse energy 1.6 nJ;Output spectrogram with pump power ratio of 3.33;(b)Spectral simulation diagram of pulse energy 1nJ;Output spectrogram with pump power ratio of 1.67;:(c)Spectral simulation diagram of pulse energy 0.6 nJ;Output spectrogram with pump power ratio of 6.67;(d)Time domain waveform with pump power ratio of 6.67
    (a)Spectrum after frequency doubling with pump power ratio of 1.67;(b)Spectrum after frequency doubling with pump power ratio of 3.33;(c)Spectrum after frequency doubling with pump power ratio of 6.67;(d)Time domain waveform after frequency doubling with pump power ratio of 6.67;(e)Relation between the ratio of pump power and pulse output power and spectral center wavelength;(f)Output power variation curve of different pump power ratios
    (a)Power stability for 12 h of output power of Yb-doped laser and spot image;(b)Time domain waveform and spectrum of Yb-doped laser
    • Table 1. Comparison of Raman Wavenumbers and Detectable Chemical Bond

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      Table 1. Comparison of Raman Wavenumbers and Detectable Chemical Bond

      斯托克斯光中心波长(nm)

      泵浦光光谱覆盖波长

      (nm)

      四波混频后拉曼波数

      (cm-1

      可检测化学键及对应的拉曼波数(cm-1

      1026 nm

      779.1-784.53000.3-3088.7苯环碳氢键(3060)
      777.5-786.12974.4-3115.1苯环碳氢键(3060)
      784.5-790.52903.6-3000.4CH3(2930)
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    Ming-Ze ZHAO, Jia-Ying LI, Liang LIU, Dian-Dian LI, Qiang HAO, Kang-Wen YANG. Wavelength tunable fiber laser for CARS imaging[J]. Journal of Infrared and Millimeter Waves, 2023, 42(5): 681

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    Paper Information

    Category: Research Articles

    Received: Mar. 11, 2023

    Accepted: --

    Published Online: Aug. 30, 2023

    The Author Email: Kang-Wen YANG (kangwenyang@yeah.net)

    DOI:10.11972/j.issn.1001-9014.2023.05.013

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