Casa, G., Castrillo, A., Galzerano, G., Wehr, R., Merlone, A., Di Serafino, D., ...
We report on a new optical implementation of primary gas thermometry based on laser absorption spectrometry in the near infrared. The method consists in retrieving the Doppler broadening from highly...
Advances in laser-based isotope ratio measurements: selected applications (2008)
Small molecules exhibit characteristic ro-vibrational transitions in the near- and mid-infrared spectral regions, which are strongly influenced by isotopic substitution. This gift of nature has made...
Gianfrani, L., Kerstel, E., Casa, G., Castrillo, A.
Near-infrared laser spectroscopy is used to measure the 13C/12C isotope abundance ratio in gas phase carbon dioxide. The spectrometer, developed expressly for field applications, is based on a 2 µm...
Novel laser-based techniques for monitoring of volcanoes (2005)
De Natale, G., De Natale, P., Gagliardi, G., Gianfrani, L., Rocco, A. S. D.
An overview of novel laser techniques suitable for volcanic monitoring, based on different kinds of infrared laser sources, is presented. Their main advantages and drawbacks are discussed focusing on...
Novel laser-based techniques for monitoring of volcanoes (2005)
De Natale, G.; Istituto Nazionale Di Ottica Applicata, Comprensorio Olivetti, Pozzuoli (NA), Italy, De Natale, P.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione OV, Napoli, Italia, Gagliardi, G.; Istituto Nazionale Di Ottica Applicata, Comprensorio Olivetti, Pozzuoli (NA), Italy, Gianfrani, L.; Dipartimento Di Scienze Ambientali, Seconda Università Di Napoli, And INFM-Gruppo Coordinato Napoli 2, Caserta, Italy, Rocco, A. S. D.; Istituto Nazionale Di Ottica Applicata, Comprensorio Olivetti, Pozzuoli (NA), Italy
An overview of novel laser techniques suitable for volcanic monitoring, based on different kinds of infrared laser sources, is presented. Their main advantages and drawbacks are discussed focusing on...
A diode-laser-based spectrometer for in-situ measurements of volcanic gases (2004)
Rocco, A., De Natale, G., De Natale, P., Gagliardi, G., Gianfrani, L.
We report the first results of the field operation of a novel, portable diode-laser spectrometer for gasconcentration measurements in volcanic areas. Remote detection of direct absorption line shapes...
A diode-laser-based spectrometer for in-situ measurements of volcanic gases (2004)
Rocco, A.; Istituto Nazionale Di Ottica Applicata, Comprensorio Olivetti, De Natale, G.; Istituto Nazionale Di Geofisica E Vulcanologia, Sezione OV, Napoli, Italia, De Natale, P.; Istituto Nazionale Di Ottica Applicata, Comprensorio Olivetti, Gagliardi, G.; Seconda Università Di Napoli, Dipartimento Di Scienze Ambientali, Gianfrani, L.; Seconda Università Di Napoli, Dipartimento Di Scienze Ambientali
We report the first results of the field operation of a novel, portable diode-laser spectrometer for gasconcentration measurements in volcanic areas. Remote detection of direct absorption line shapes...
Gianfrani, L., Kerstel, E.R.T., Iannone, R.Q., Castrillo, A., Gagliardi, G.
A compact and portable diode-laser spectrometer is developed for high-precision measurements of the 13CO2/12CO2 isotope ratio. Ro-vibrational transitions belonging to different combination bands,...
Isotope analysis of water by means of near-infrared dual-wavelength diode laser spectroscopy (2003)
Kerstel, E.R.Th., Burgel, M. Van, Gagliardi, G., Gianfrani, L.
A novel diode laser spectrometer was developed using dual-wavelength multiplexing, ensuring ideal conditions for high-precision and simultaneous measurements of the 2H/1H, 17O/16O, and 18O/16O...
Ramaker, R., Trigt, R. Van, Meijer, H.A.J., Gianfrani, L., Gagliardi, G., Kerstel, E.R.Th.
We demonstrate the feasibility of the accurate and simultaneous measurement of the 2H/1H, 17O/16O, and 18O/16O isotope ratios in water vapor by means of tunable diode laser spectroscopy. The...