An ultrastable Michelson interferometer for high-resolution spectroscopy in the XUV

Year: 2015

Authors: Corsi C., Liontos I., Cavalieri S., Bellini M., Venturi G., Eramo R.

Autors Affiliation: European Laboratory for non linear Spectroscopy (LENS), 50019 Sesto Fiorentino, Florence, Italy;
Center for Plasma Physics and Lasers (CPPL), E. Daskalaki 1, 74100, Rethymno, Greece;
Department of Physics, University of Florence, 50019 Sesto Fiorentino, Florence, Italy;
Istituto Nazionale di Ottica (INO-CNR), L.go E. Fermi 6, 50125 Florence, Italy

Abstract: We developed an ultra-stable and accurately-controllable Michelson interferometer to be used in a deeply unbalanced arm configuration for split-pulse XUV Ramsey-type spectroscopy with high-order laser harmonics. The implemented active and passive stabilization systems allow one to reach instabilities in the nanometer range over meters of relative optical path differences. Producing precisely delayed pairs of pump pulses will generate XUV harmonic pulses that may significantly improve the achievable spectral resolution and the precision of absolute frequency measurements in the XUV. (C) 2015 Optical Society of America

Journal/Review: OPTICS EXPRESS

Volume: 23 (4)      Pages from: 4106  to: 4113

More Information: This work was partially supported by LASERLAB-EUROPE (grant agreement n.284464, EC
KeyWords: Interferometers; Michelson interferometers; Optical pumping; Spectroscopic analysis, Absolute frequency measurements; Harmonic pulse; High-order laser harmonics; High-resolution spectroscopy; Nano meter range; Optical path difference; Passive stabilization; Pump pulse, Pulse generators
DOI: 10.1364/OE.23.004106

Citations: 5
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