Scientific Results – CNR – Istituto Nazionale di Ottica

High-Resolution Spectroscopy of the Methane ν3 Band in the 3.3 μm Range using Widely Tunable Single-Frequency Optical Parametric Oscillators

Year: 2013

Authors: Courtois J., Bouchendira R., Cadoret M., Zondy J.-J., Ricciardi I., Mosca S., De Rosa M., De Natale P.

Autors Affiliation: Laboratoire Commun de M�trologie LNE-Cnam, 61 rue du Landy, 93210 La Plaine Saint Denis, France; INO-CNR, Istituto Nazionale di Ottica, Sezione di Napoli, LENS, European Laboratory for Nonlinear Spectroscopy, Via Campi Flegrei 34, Pozzuoli (NA), I-80078, Italy

Abstract: We demonstrate fast idler wave mode-hop-free tuning over similar to 30cm(-1) around 3.3 m using a cw ppMgCLN-OPO pumped near 1063nm, allowing to capture in a single pump scan at a rate up to 20nm/s the entire Q-branch of CH4 (3000-3025cm(-1)).

Conference title: CLEO 2013
Place:

KeyWords: High-resolution spectroscopy; Idler waves; Mode-hop-free tuning; Q-branches; Single pumps; Single-frequency; Widely tunable; Optical parametric oscillators; Spectroscopic analysis; Methane