Vincenzo Spagnolo

Summary

Affiliation: University of Bari
Country: Italy

Publications

  1. doi request reprint Part-per-trillion level SF6 detection using a quartz enhanced photoacoustic spectroscopy-based sensor with single-mode fiber-coupled quantum cascade laser excitation
    Vincenzo Spagnolo
    Dipartimento Interateneo di Fisica, University and Politecnico of Bari, CNR IFN UOS BARI, Bari, Italy
    Opt Lett 37:4461-3. 2012
  2. doi request reprint Modulation cancellation method for measurements of small temperature differences in a gas
    Vincenzo Spagnolo
    Department of Electrical and Computer Engineering, Rice University, Houston, Texas, USA
    Opt Lett 36:460-2. 2011
  3. ncbi request reprint Modulation cancellation method for isotope 18O/16O ratio measurements in water
    Vincenzo Spagnolo
    Department of Electrical and Computer Engineering, Rice University, 6100 Main Street, Houston, TX 77005, USA
    Opt Express 20:3401-7. 2012
  4. doi request reprint Quantum cascade laser technology for the ultrasensitive detection of low-level nitric oxide
    Angela Elia
    CNR IFN U O S di BARI, Physics Department, University of Bari, Via Amendola 173, I 70126 Bari, Italy
    Methods Mol Biol 704:115-33. 2011
  5. doi request reprint Electronic temperatures of terahertz quantum cascade active regions with phonon scattering assisted injection and extraction scheme
    Pietro Patimisco
    Dipartimento Interateneo di Fisica, Università degli studi di Bari Aldo Moro and Politecnico di Bari, and CNR Istituto di Fotonica e Nanotecnologie, UOS Bari, Via Amendola 173, 70126 Bari, Italy
    Opt Express 21:10172-81. 2013
  6. doi request reprint Ppb-level detection of nitric oxide using an external cavity quantum cascade laser based QEPAS sensor
    Lei Dong
    Department of Electrical and Computer Engineering, Rice University, 6100 Main Street, Houston, TX 77005, USA
    Opt Express 19:24037-45. 2011

Collaborators

  • Lei Dong
  • Pietro Patimisco
  • Angela Elia
  • Sylvain R Laframboise
  • Emmanuel Dupont
  • Saeed Fathololoumi
  • Maria Vittoria Santacroce
  • Miriam Serena Vitiello
  • Gaetano Scamarcio
  • Ghasem S Razavipour
  • Zbigniew Wasilewski
  • Cinzia Di Franco
  • Pietro Mario Lugarà

Detail Information

Publications6

  1. doi request reprint Part-per-trillion level SF6 detection using a quartz enhanced photoacoustic spectroscopy-based sensor with single-mode fiber-coupled quantum cascade laser excitation
    Vincenzo Spagnolo
    Dipartimento Interateneo di Fisica, University and Politecnico of Bari, CNR IFN UOS BARI, Bari, Italy
    Opt Lett 37:4461-3. 2012
    ..SF(6) was selected as the target gas. A minimum detection sensitivity of 50 parts per trillion in 1 s was achieved with a QCL power of 18 mW, corresponding to a normalized noise-equivalent absorption of 2.7×10(-10) W·cm(-1)/Hz(1/2)...
  2. doi request reprint Modulation cancellation method for measurements of small temperature differences in a gas
    Vincenzo Spagnolo
    Department of Electrical and Computer Engineering, Rice University, Houston, Texas, USA
    Opt Lett 36:460-2. 2011
    ..The achieved sensitivity was 30 mK in 17 s. A theoretical sensitivity analysis is presented, and the applicability of this method to isotopic measurements is discussed...
  3. ncbi request reprint Modulation cancellation method for isotope 18O/16O ratio measurements in water
    Vincenzo Spagnolo
    Department of Electrical and Computer Engineering, Rice University, 6100 Main Street, Houston, TX 77005, USA
    Opt Express 20:3401-7. 2012
    ..The sensitivity in measuring the deviation from a standard sample δ18O is 1.4‰, in 200 sec of integration time...
  4. doi request reprint Quantum cascade laser technology for the ultrasensitive detection of low-level nitric oxide
    Angela Elia
    CNR IFN U O S di BARI, Physics Department, University of Bari, Via Amendola 173, I 70126 Bari, Italy
    Methods Mol Biol 704:115-33. 2011
    ..e., laser absorption spectroscopy, cavity-enhanced spectroscopy, photoacoustic spectroscopy, and Faraday modulation spectroscopy. For each technique, advantages and drawbacks will be underlined...
  5. doi request reprint Electronic temperatures of terahertz quantum cascade active regions with phonon scattering assisted injection and extraction scheme
    Pietro Patimisco
    Dipartimento Interateneo di Fisica, Università degli studi di Bari Aldo Moro and Politecnico di Bari, and CNR Istituto di Fotonica e Nanotecnologie, UOS Bari, Via Amendola 173, 70126 Bari, Italy
    Opt Express 21:10172-81. 2013
    ..The electronic population ratio n(2)/n(1) shows that the optical phonon scattering efficiently depopulates the lower laser level (j = 2) up to an electronic temperature T(e) ~180 K...
  6. doi request reprint Ppb-level detection of nitric oxide using an external cavity quantum cascade laser based QEPAS sensor
    Lei Dong
    Department of Electrical and Computer Engineering, Rice University, 6100 Main Street, Houston, TX 77005, USA
    Opt Express 19:24037-45. 2011
    ..This NO detection limit is determined at an optimal gas pressure of 210 Torr and 2.5% of water vapor concentration. Water is added to the analyzed mixture in order to improve the NO vibrational-translational relaxation process...