Scientific Results

Harmonic interferometry in the visible and UV, based on second- And third-harmonic generation of a 25 ps mode-locked Nd:YAG laser

Year: 2008

Authors: Brandi F., Giammanco F.

Autors Affiliation: Physics Department, University of Pisa, Largo Bruno Pontecorvo 3, 56127-Pisa, Italy; Italian Institute of Tecnology, via Morego 30, Genova, Italy

Abstract: A second-harmonic interferometer using 25 ps pluses is presented, achieving a sensitivity of 9 x 10(-10) m in measuring line-integrated dispersion between 1064 and 532 nm. Using the same laser source, a third-harmonic interferometer is demonstrated for the first time to our knowledge, achieving a sensitivity of 7 x 10(-9) m in measuring line-integrated dispersion between 1064 and 355 mn. The prospect for the development and use of high-harmonic interferometry is discussed. etry is discussed.

Journal/Review: OPTICS LETTERS

Volume: 33 (18)      Pages from: 2071  to: 2073

KeyWords: 2ND-HARMONIC INTERFEROMETER
DOI: 10.1364/OL.33.002071

Citations: 6
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