期刊
OPTICS LETTERS
卷 39, 期 17, 页码 5050-5053出版社
Optica Publishing Group
DOI: 10.1364/OL.39.005050
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资金
- Laserlab-Europe [284464]
- EU
- Programma Nazionale di Ricerche in Antartide (PNRA) [2013/AC4.01]
- Italian Ministry of Foreign Affairs
- Broadcon Italy-Israel bilateral project
- ESFRI Roadmap
- Extreme Light Infrastructure (ELI) project
We report on the experimental demonstration of the metrological and spectroscopic performances of a mid-infrared comb generated by a nonlinear downconversion process from a Ti:sapphire-based near-infrared comb. A quantum cascade laser at 4330 nm was phase-locked to a single tooth of this mid-infrared comb and its frequency-noise power spectral density was measured. The mid-infrared comb itself was also used as a multifrequency highly coherent source to perform ambient air direct comb spectroscopy with the Vernier technique, by demultiplexing it with a high-finesse Fabry-Perot cavity. (C) 2014 Optical Society of America
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