Journal of Infrared and Millimeter Waves, Volume. 42, Issue 5, 681(2023)
Wavelength tunable fiber laser for CARS imaging
Fig. 1. 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
Fig. 2. (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
Fig. 3. (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
Fig. 4. (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
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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
Category: Research Articles
Received: Mar. 11, 2023
Accepted: --
Published Online: Aug. 30, 2023
The Author Email: Kang-Wen YANG (kangwenyang@yeah.net)