Jing-tao YAN, Li-jun MIAO, Jian-feng MAO, Jin SHI, Teng-chao HUANG, Shuang-liang CHE, Xiao-wu SHU. Laser Spectrum Broadening Method Based on Phase Modulation of Gaussian White Noise[J]. Spectroscopy and Spectral Analysis, 2022, 42(3): 665
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 3, 665 (2022)
Fig. 1. OptiSystem simulation model of laser spectrum broadening system
Fig. 2. The original spectrum of CW Laser beam
Fig. 3. The spectrum evolution of laser signal with modulation depth increasing
Fig. 4. Spectra of laser beams with the same signal power
Fig. 4. Spectra of laser beams with different signal power spectral densities
Fig. 4. Spectra of laser beams with different signal bandwidths
Fig. 5. Broad spectral component linewidth and residual carrier fraction of different!signal power spectral densities and cutoff frequencies
Fig. 6. Schematic diagram of external phase modulation system
Fig. 7. Schematic diagram of laser wavelength stability test system
Fig. 8. Comparison of spectra of laser beam with and without modulation
Fig. 9. Spectra of laser beam with different signal bandwidths
Fig. 9. Gaussian white noise signals with and without filtering
Fig. 10. Gaussian white noise signals of different attenuations
Fig. 10. Spectra of modulated laser beam with different signal attenuations
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20