Scientific Results

Measuring Part-per-Billion Line Shifts and Frequencies with Direct-Frequency-Comb Vernier Spectroscopy

Year: 2015

Authors: Cancio P., Siciliani de Cumis M., Eramo R., De Natale P., Coluccelli N., Cassinerio M., Galzerano G., Laporta P.

Autors Affiliation: Istituto Nazionale di Ottica-CNR, European Laboratory for Non-linear Spectroscopy, Via N. Carrara 1, Sesto Fiorentino, Italy; Dipartimento di Fisica-Politecnico di Milano, Istituto di Fotonica e Nanotecnologie-CNR, Piazza Leonardo da Vinci 32, Milano, Italy

Abstract: Accurate frequency measurements of CO2 transitions around 2 mm are performed by direct frequency-comb Vernier spectroscopy. Measurements of pressure line shifts at the ppb. accuracy level demonstrates the application of comb sources in precision molecular spectroscopy.

Conference title: 2015 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)
Place: San Jose California

KeyWords: comb spectroscopy
DOI: 10.1364/CLEO_SI.2015.SW3G.4

English