研究目的
To highlight broadband frequency comb spectroscopy as a powerful tool for molecular spectroscopy, with emphasis on cavity-enhanced and dual-comb methods.
研究成果
The paper concludes that broadband frequency comb spectroscopy, particularly cavity-enhanced and dual-comb methods, is a powerful tool for molecular spectroscopy. It highlights ongoing technical developments and the potential for future applications in precision metrology, ultrafast spectroscopy, and remote sensing.
研究不足
The paper mentions challenges such as the need for maintaining mutual coherence between two combs in dual-comb spectroscopy over long measurement times, the complexity of mid-IR comb sources involving nonlinear frequency conversion, and the limitations in spectral bandwidth and resolution imposed by the comb repetition rate and cavity dispersion.