Towards DCS in the UV Spectral Range for Remote Sensing of Atmospheric Trace Gases

Autor: Sandrine Galtier, Clément Pivard, Patrick Rairoux

Publikováno v: Remote Sensing, Vol 12, Iss 20, p 3444 (2020)

The development of increasingly sensitive and robust instruments and new methodologies are essential to improve our understanding of the Earth’s climate and air pollution. In this context, Dual-Comb spectroscopy (DCS) has been successfully demonstr

Externí odkaz: https://doaj.org/article/1c77b4f90d1b46cda1753039d0bde900

Measuring the α-particle charge radius with muonic helium-4 ions

Autor: Sandrine Galtier, Julian J. Krauth, Andreas Knecht, Andreas Dax, D. Taqqu, Thomas Graf, Paul Indelicato, Yi-Wei Liu, Karsten Schuhmann, Andreas Voss, F. Mulhauser, Pedro Amaro, Malte Hildebrandt, D. S. Covita, L.M.P. Fernandes, Boris Naar, F. D. Amaro, Theodor W. Hänsch, Marwan Abdou Ahmed, José Paulo Santos, Andrea L. Gouvea, Lucile Julien, Randolf Pohl, Johannes Götzfried, F. Nez, Beatrice Franke, Jorge Machado, Tobias Nebel, C.M.B. Monteiro, J.F.C.A. Veloso, Joaquim M. F. dos Santos, François Biraben, Franz Kottmann, Marc Diepold, Csilla I. Szabo, Jens Hartmann, Jan Vogelsang, Klaus Kirch, Aldo Antognini, Tzu-Ling Chen, Birgit Weichelt

Publikováno v: Nature
Nature, Nature Publishing Group, 2021, 589 (7843), pp.527-531. ⟨10.1038/s41586-021-03183-1⟩
Nature, 589(7843), 527-531. Nature Publishing Group
Nature, 589 (7843)
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Krauth, J J, Schuhmann, K, Ahmed, M A, Amaro, F D, Amaro, P, Biraben, F, Chen, T L, Covita, D S, Dax, A J, Diepold, M, Fernandes, L M P, Franke, B, Galtier, S, Gouvea, A L, Götzfried, J, Graf, T, Hänsch, T W, Hartmann, J, Hildebrandt, M, Indelicato, P, Julien, L, Kirch, K, Knecht, A, Liu, Y W, Machado, J, Monteiro, C M B, Mulhauser, F, Naar, B, Nebel, T, Nez, F, dos Santos, J M F, Santos, J P, Szabo, C I, Taqqu, D, Veloso, J F C A, Vogelsang, J, Voss, A, Weichelt, B, Pohl, R, Antognini, A & Kottmann, F 2021, ' Measuring the α-particle charge radius with muonic helium-4 ions ', Nature, vol. 589, no. 7843, pp. 527-531 . https://doi.org/10.1038/s41586-021-03183-1

The energy levels of hydrogen-like atomic systems can be calculated with great precision. Starting from their quantum mechanical solution, they have been refined over the years to include the electron spin, the relativistic and quantum field effects,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0f0ae4cca3321998538d56d31b624ce
https://hal.archives-ouvertes.fr/hal-03132344/file/s41586-021-03183-1.pdf

Towards DCS in the UV Spectral Range for Remote Sensing of Atmospheric Trace Gases

Autor: Clément Pivard, Patrick Rairoux, Sandrine Galtier

Publikováno v: Remote Sensing
Remote Sensing, MDPI, 2020, 12 (20), pp.3444. ⟨10.3390/rs12203444⟩
Remote Sensing; Volume 12; Issue 20; Pages: 3444
Remote Sensing, Vol 12, Iss 3444, p 3444 (2020)

International audience; The development of increasingly sensitive and robust instruments and new methodologies are essential to improve our understanding of the Earth’s climate and air pollution. In this context, Dual-Comb spectroscopy (DCS) has be

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76fffc636f8bb8d6974fa42be60d4b5d
https://hal.archives-ouvertes.fr/hal-03011167/document

High‐Resolution Hydrogen Spectroscopy and the Proton Radius Puzzle

Autor: Lucile Julien, Sandrine Galtier, François Nez, Hélène Fleurbaey, François Biraben, Simon Thomas

Publikováno v: Annalen Phys.
Annalen Phys., 2019, 531 (5), pp.1800363. ⟨10.1002/andp.201800363⟩

High resolution spectroscopy of the hydrogen atom takes on particular importance in the new SI, as it allows to accurately determine fundamental constants, such as the Rydberg constant and the proton charge radius. Recently, the second most precisely

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c35dde3eecd5e86b364a78e503b141b
https://hal.archives-ouvertes.fr/hal-02188359

High Resolution Spectroscopy of 1S-3S Transition in Hydrogen with a CW Laser

Autor: François Biraben, Marie Bonnaud, F. Nez, Helene Fleurbaey, Simon Thomas, L. Julien, Sandrine Galtier

Publikováno v: 2018 Conference on Precision Electromagnetic Measurements (CPEM 2018).

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 puzzle. Our experimental setup allows us to reach a statistical uncertainty of 2.1 kHz on the m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db763b289de60e22a45a3d993405a603
https://doi.org/10.1109/cpem.2018.8500929