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)
Pagina inizio
  • 17520 (literal)
Pagina fine
  • 17527 (literal)
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  • 19 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 18 (literal)
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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