Search Results - "Fleurbaey, Hélène"

Twenty-Five-Fold Reduction in Measurement Uncertainty for a Molecular Line Intensity by Fleisher, Adam J, Adkins, Erin M, Reed, Zachary D, Yi, Hongming, Long, David A, Fleurbaey, Hélène M, Hodges, Joseph T

“…To accurately attribute sources and sinks of molecules like CO_{2}, remote sensing missions require line intensities (S) with relative uncertainties…”
Get full text

New Measurement of the 1S-3S Transition Frequency of Hydrogen: Contribution to the Proton Charge Radius Puzzle by Fleurbaey, Hélène, Galtier, Sandrine, Thomas, Simon, Bonnaud, Marie, Julien, Lucile, Biraben, François, Nez, François, Abgrall, Michel, Guéna, Jocelyne

“…We present a new measurement of the 1S-3S two-photon transition frequency of hydrogen, realized with a continuous-wave excitation laser at 205 nm on a…”
Get full text

Cavity ring-down spectroscopy of CO2 near λ = 2.06 µm: Accurate transition intensities for the Orbiting Carbon Observatory-2 (OCO-2) “strong band” by Fleurbaey, Hélène, Yi, Hongming, Adkins, Erin M., Fleisher, Adam J., Hodges, Joseph T.

“…•Accurate CO2 transition intensities were measured near λ = 2.06 µm by FS-CRDS.•The relative combined standard uncertainty for all measured intensities is 0.08…”
Get full text

High‐Resolution Hydrogen Spectroscopy and The Proton Radius Puzzle by Thomas, Simon, Fleurbaey, Hélène, Galtier, Sandrine, Julien, Lucile, Biraben, François, Nez, François

“…High resolution spectroscopy of the hydrogen atom takes on particular importance in the new SI, as it allows to accurately determine fundamental constants,…”
Get full text

CRDS measurements of air-broadened lines in the 1.6 µm band of 12CO2: Line shape parameters with their temperature dependence by Mondelain, Didier, Campargue, Alain, Fleurbaey, Hélène, Vasilchenko, Semen, Kassi, Samir

“…The 12 CO 2 band at 1.6 μm is used for carbon dioxide monitoring in the Earth atmosphere. The targeted accuracy of these measurements motivates important…”
Get full text

High accuracy spectroscopic parameters of the 1.27 µm band of O2 measured with comb-referenced, cavity ring-down spectroscopy by Fleurbaey, Hélène, Reed, Zachary D., Adkins, Erin M., Long, David A., Hodges, Joseph T.

“…•High-precision, low-uncertainty CRDS measurements of 1.27 µm air-broadened O2 band line with frequency axis linked to Cs clock.•New line list reported using…”
Get full text

Electric-quadrupole and magnetic-dipole contributions to the ν2+ν3 band of carbon dioxide near 3.3 µm by Fleurbaey, Hélène, Grilli, Roberto, Mondelain, Didier, Kassi, Samir, Yachmenev, Andrey, Yurchenko, Sergei N., Campargue, Alain

“…•First laboratory detection of electric quadrupole rovibrational transitions in CO2.•High sensitivity optical-feedback-cavity enhanced absorption spectroscopy…”
Get full text

The water vapor self-continuum absorption at 8.45 µm by optical feedback cavity ring down spectroscopy by Fournier, Q., Kassi, S., Mondelain, D., Fleurbaey, H., Georges, R., Campargue, A.

“…The accurate knowledge of the water vapor absorption in the 10 µm atmospheric window is of strong importance because this spectral range coincides with the…”
Get full text

Cavity ring-down spectroscopy of CO 2 near λ = 2.06 μm: Accurate transition intensities for the Orbiting Carbon Observatory-2 (OCO-2) "strong band" by Fleurbaey, Hélène, Yi, Hongming, Adkins, Erin M, Fleisher, Adam J, Hodges, Joseph T

“…The = 2.06 μm absorption band of CO is widely used for the remote sensing of atmospheric carbon dioxide, making it relevant to many important top-down…”
Get full text

New Measurement of the 1 S − 3 S Transition Frequency of Hydrogen: Contribution to the Proton Charge Radius Puzzle by Fleurbaey, Hélène, Galtier, Sandrine, Thomas, Simon, Bonnaud, Marie, Julien, Lucile, Biraben, François, Nez, François, Abgrall, Michel, Guéna, Jocelyne

Get full text

High-precision laser spectroscopy of H 2 S for simultaneous probing of multiple-sulfur isotopes by Chaillot, Justin, Dasari, Sanjeev, Fleurbaey, Hélène, Daeron, Mathieu, Savarino, Joël, Kassi, Samir

“…The simultaneous monitoring of the triple stable S-isotopes ( 32 S, 33 S and 34 S) of hydrogen sulfide has been conducted with a VCOF-CRDS set-up (a V-shaped…”
Get full text

Electric-quadrupole and magnetic-dipole contributions to the n2+n3 band of carbon dioxide near 3.3 micron by Fleurbaey, Hélène, Grilli, Roberto, Mondelain, Didier, Kassi, Samir, Campargue, Alain

“…The recent detections of electric-quadrupole (E2) transitions in water vapor and magnetic-dipole (M1) transitions in carbon dioxide have opened a new field in…”
Get full text

Cavity ring-down spectroscopy of CO$_2$ near $\lambda$ = 2.06 $\mu$m: Accurate transition intensities for the Orbiting Carbon Observatory-2 (OCO-2) "strong band" by Fleurbaey, Hélène, Yi, Hongming, Adkins, Erin M, Fleisher, Adam J, Hodges, Joseph T

“…Journal of Quantitative Spectroscopy and Radiative Transfer 252, 107104 (2020) The $\lambda$ = 2.06 $\mu$m absorption band of CO$_2$ is widely used for the…”
Get full text

High-Resolution Hydrogen Spectroscopy and the Proton Radius Puzzle by Thomas, Simon, Fleurbaey, Hélène, Galtier, Sandrine, Julien, Lucile, Biraben, François, Nez, François

“…Annalen der Physik 2019, 1800363 High resolution spectroscopy of the hydrogen atom takes on particular importance in the new SI, as it allows to accurately…”
Get full text

High Resolution Spectroscopy of 1S-3S Transition in Hydrogen with a CW Laser by Thomas, Simon, Fleurbaey, Helene, Galtier, Sandrine, Bonnaud, Marie, Julien, Lucile, Biraben, Francois, Nez, Francois

“…The aim of our experiment is to improve the spectroscopy of atomic hydrogen in order to determine the Rydberg constant and contribute to the proton radius…”
Get full text

Cross-damping effects in 1S-3S spectroscopy of hydrogen and deuterium by Fleurbaey, Hélène, Biraben, François, Julien, Lucile, Karr, Jean-Philippe, Nez, François

“…Phys. Rev. A 95, 052503 (2017) We calculate the cross-damping frequency shift of a laser-induced two-photon transition monitored through decay fluorescence, by…”
Get full text

New measurement of the $1S-3S$ transition frequency of hydrogen: contribution to the proton charge radius puzzle by Fleurbaey, Hélène, Galtier, Sandrine, Thomas, Simon, Bonnaud, Marie, Julien, Lucile, Biraben, François, Nez, François, Abgrall, Michel, Guéna, Jocelyne

“…Phys. Rev. Lett. 120, 183001 (2018) We present a new measurement of the $1S-3S$ two-photon transition frequency of hydrogen, realized with a continuous-wave…”
Get full text

High resolution spectroscopy of 1S-3S transition in hydrogen by Fleurbaey, Helene, Galtier, Sandrine, Guellati, Salda, Clade, Pierre, Biraben, Francois, Julien, Lucile, Nez, Francois

“…The aim of our experiment is to improve the spectroscopy of atomic hydrogen in order to determine the charge radius of the proton. A new continuous laser…”
Get full text

Deuteron charge radius and Rydberg constant from spectroscopy data in atomic deuterium by Pohl, Randolf, Nez, François, Udem, Thomas, Antognini, Aldo, Beyer, Axel, Fleurbaey, Hélène, Grinin, Alexey, Hänsch, Theodor W, Julien, Lucile, Kottmann, Franz, Krauth, Julian J, Maisenbacher, Lothar, Matveev, Arthur, Biraben, François

“…Metrologia 54, L1 (2017) We give a pedagogical description of the method to extract the charge radii and Rydberg constant from laser spectroscopy in regular…”
Get full text

Comb-Locked Cavity-Ringdown Spectroscopy for Molecular Transition Frequency Measurements below 1×10 12 Relative Uncertainty by Reed, Zachary D., Long, David A., Fleurbaey, Helene, Hodges, Joseph T.

“…We describe highly accurate molecular line positions determined by a recently developed comb-locked cavity ring-down spectrometer. Molecular transition…”
Get full text