http://www.cnr.it/ontology/cnr/individuo/prodotto/ID263833
High-precision molecular interrogation by direct referencing of a quantum-cascade-laser to a near-infrared frequency comb (Articolo in rivista)
- Type
- Label
- High-precision molecular interrogation by direct referencing of a quantum-cascade-laser to a near-infrared frequency comb (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Alternative label
Gatti, D. and Gambetta, A. and Castrillo, A. and Galzerano, G. and Laporta, P. and Gianfrani, L. and Marangoni, M. (2011)
High-precision molecular interrogation by direct referencing of a quantum-cascade-laser to a near-infrared frequency comb
in Optics express
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Gatti, D. and Gambetta, A. and Castrillo, A. and Galzerano, G. and Laporta, P. and Gianfrani, L. and Marangoni, M. (literal)
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- Pagina fine
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Gatti, D (Reprint Author), Politecn Milan, Dipartimento Fis, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy. Gatti, D.; Gambetta, A.; Laporta, P.; Marangoni, M., Politecn Milan, Dipartimento Fis, I-20133 Milan, Italy. Castrillo, A.; Gianfrani, L., Univ Naples 2, Dipartimento Sci Ambientali, I-81100 Caserta, Italy. Galzerano, G., CNR, Ist Foton & Nanotecnol, I-20133 Milan, Italy. (literal)
- Titolo
- High-precision molecular interrogation by direct referencing of a quantum-cascade-laser to a near-infrared frequency comb (literal)
- Abstract
- This work presents a very simple yet effective way to obtain direct referencing of a quantum-cascade-laser at 4.3 mu m to a near-IR frequency-comb. Precise tuning of the comb repetition-rate allows the quantum-cascade-laser to be scanned across absorption lines of a CO(2) gaseous sample and line profiles to be acquired with extreme reproducibility and accuracy. By averaging over 50 acquisitions, line-centre frequencies are retrieved with an uncertainty of 30 kHz in a linear interaction regime. The extension of this methodology to other lines and molecules, by the use of widely tunable extended-cavity quantum-cascade-lasers, paves the way to a wide availability of high-quality and traceable spectroscopic data in the most crucial region for molecular detection and interrogation. (C) 2011 Optical Society of America (literal)
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