Abstract

A nanosecond titanium sapphire laser with spectral linewidth Γ_pl~6 MHz and pulse energy of 50-100 mJ was demonstrated by using an intracavity electro-optic modulator to correct the frequency chirp in the output beam. The laser was referenced against a femtosecond frequency comb and used to measure the 6s-8s (F=4) two-photon transition frequency of Cs with a precision of 1.4 parts in 10⁹.

© 2009 Optical Society of America

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History
Original Manuscript: December 8, 2008
Revised Manuscript: February 24, 2009
Manuscript Accepted: February 27, 2009
Published: April 14, 2009

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Author Affiliations

Masaki Hori

Max-Planck-Institut für Quantenoptik

Andreas Dax

University of Tokyo

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