Chinese Journal of Lasers, Volume. 52, Issue 11, 1111001(2025)
High Resolution Dual‐Comb Spectroscopy Based on Electro‐Optic Intensity Modulation Pulse Picking
Fig. 1. Pulse picking using modulation signal generated by EOAM. (a) Time-domain signal before pulse picking with modulation signal generated by EOAM shown by solid rectangular wave; (b) frequency-domain signal before pulse picking; (c) time-domain signal after pulse picking; (d) frequency-domain signal after pulse picking
Fig. 4. Dual-comb time-domain interferograms before and after pulse picking. (a) Before pulse picking; (b) after pulse picking
Fig. 5. Radio frequency spectra and Gaussian fitting lines before and after pulse picking. (a) Radio frequency spectrum before pulse picking; (b) magnified view of rectangular box of Fig. 5(a); (c) radio frequency spectrum after pulse picking; (d) magnified view of rectangular box of Fig. 5(c)
Fig. 6. Transmission spectra and fitting residuals before and after pulse picking. (a) Transmission spectrum with resolution of 250 MHz and fitting residual before pulse picking; (b) transmission spectrum with resolution of 31.25 MHz and fitting residual after pulse picking
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Xiangze Ma, Wei Long, Jie Cheng, Teng Huang, Yujia Ji, Dijun Chen. High Resolution Dual‐Comb Spectroscopy Based on Electro‐Optic Intensity Modulation Pulse Picking[J]. Chinese Journal of Lasers, 2025, 52(11): 1111001
Category: spectroscopy
Received: Jan. 7, 2025
Accepted: Mar. 14, 2025
Published Online: Jun. 14, 2025
The Author Email: Dijun Chen (djchen@siom.ac.cn)
CSTR:32183.14.CJL250442