[23a-P02-1~10] 3.5 Ultrashort-pulse and high-intensity lasers (formerly 3.6)

English Presentation

[23a-P02-3] Dual comb spectroscopy measurement using all-polarization maintaining single-cavity SWNT mode-locked dual-comb fiber laser

〇(M1)Yifei Zhu¹, Shotaro Kitajima¹, Norihiko Nishizawa¹ (1.Nagoya University)

Keywords:

ultrafast / ultrashort pulse lasers

In this study, hydrogen cyanide (HCN) gas absorption spectroscopy was conducted using an all-polarization maintaining (PM) single-cavity dual comb fiber laser. The research focused on utilizing dual-comb spectroscopy (DCS) to enhance measurement speed and resolution, comparing favorably with traditional Fourier transform spectroscopy. By employing a 25-fold averaging technique, the experiment significantly improved the signal-to-noise ratio, thereby enhancing the precision of spectral data.