ArticleNature communications2023
Dual-comb optical activity spectroscopy for the analysis of vibrational optical activity induced by external magnetic field.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed.
- Enhanced chiral discrimination in mass spectrometry with orbital angular momentum beams.Science advances · 2026Article
- Self-heterodyne spectroscopy via a non-uniformly spaced frequency comb.Nature communications · 2026Article
- Single-photon dual-comb ghost imaging spectroscopy.Nature communications · 2025Article
- Dynamic gain driven mode-locking in GHz fiber laser.Light, science & applications · 2024Article
- A simple and rapid simultaneous measurement strategy for optical rotatory dispersion and circular dichroism.Light, science & applications · 2024Article
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Authors and funding
10 authors.
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Abstract
Optical activity (OA) spectroscopy is a powerful tool to characterize molecular chirality, explore the stereo-specific structure and study the solution-state conformation of biomolecules, which is widely utilized in the fields of molecular chirality, pharmaceutics and analytical chemistry. Due to the considerably weak effect, OA spectral analysis has high demands on measurement speed and sensitivity, especially for organic biomolecules. Moreover, gas-phase OA measurements require higher resolution to resolve Doppler-limited profiles. Here, we show the unmatched potential of dual-comb spectroscopy (DCS) in magnetic optical activity spectroscopy (MOAS) of gas-phase molecules with the resolution of hundred-MHz level and the high-speed measurement of sub-millisecond level. As a demonstration, we achieved the rapid, high-precision and high-resolution MOAS measurement of the nitrogen dioxide [Formula: see text]+[Formula: see text] band and the nitric oxide overtone band, which can be used to analyze fine structure of molecules. Besides, the preliminary demonstration of liquid-phase chiroptical activity (as weak as 10
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