Open AccessAn ultrastable Michelson interferometer for high-resolution spectroscopy in the XUV
Author(s) -
C. Corsi,
I. Liontos,
Stefano Cavalieri,
M. Bellini,
G. Venturi,
Roberto Eramo
Publication year - 2015
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.23.004106
Subject(s) - extreme ultraviolet , optics , michelson interferometer , interferometry , physics , spectroscopy , laser , harmonics , harmonic , high harmonic generation , optical path length , quantum mechanics , voltage
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.