Ionization detection scheme for 1s-2s spectroscopy in atomic hydrogen

A. Matveev; N. Kolachevsky; J. Alnis; T. W. Hänsch

doi:10.1117/12.752279

9 July 2007 Ionization detection scheme for 1s-2s spectroscopy in atomic hydrogen

A. Matveev, N. Kolachevsky, J. Alnis, T. W. Hänsch

Proceedings Volume 6727, ICONO 2007: Nonlinear Laser Spectroscopy and High-Precision Measurements; and Fundamentals of Laser Chemistry and Biophotonics; 67270K (2007) https://doi.org/10.1117/12.752279
Event: The International Conference on Coherent and Nonlinear Optics, 2007, Minsk, Belarus

Abstract

We purpose a new method for 1s-2s spectroscopy of atomic hydrogen. Our method is based on a new detection scheme, utilizing a three-photon ionization to obtain a signal correspondent to the excitation of atoms into 2s state. We report about assembling and test of a proton detection system for this measurement. To measure a second order Doppler shift we purpose a delayed detection scheme. Using this method we plan to reduce the uncertainty of the absolute frequency measurement to the 10^-15 domain.

Citation Download Citation

A. Matveev, N. Kolachevsky, J. Alnis, and T. W. Hänsch "Ionization detection scheme for 1s-2s spectroscopy in atomic hydrogen", Proc. SPIE 6727, ICONO 2007: Nonlinear Laser Spectroscopy and High-Precision Measurements; and Fundamentals of Laser Chemistry and Biophotonics, 67270K (9 July 2007); https://doi.org/10.1117/12.752279

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