Harmonic generation in the VUV region at high repetition rate

Year: 1995

Authors: de Lisio C., Altucci C., Bruzzese R., Solimeno S., Vigilante F., Bellini M., Foggi P.

Autors Affiliation: Istituto Nazionale di Fisica della Materia (INFM), Dipartimento di Scienze Fisiche, Universitą di Napoli Federico II, Mostra d\’Oltremare Pad. 20, 80125 Napels, Italy; European Laboratory for Nonlinear Spectroscopy (LENS), Largo E. Fermi 2, 50125 Florence, Italy

Abstract: We describe here a source of subpicosecond, coherent, partially tunable radiation operating at 500 Hz repetition rate in the VUV region (200-100nm), based on a Ti:S pump laser delivering 500 µJ, 130 fs pulses and producing harmonics both in Xe and in Ar gas targets. The gas target is injected in the interaction chamber through a high repetition rate piezoelectric valve. In particular, we have analyzed the 3rd (265 nm) and the 5th (159 nm) harmonic yields versus laser intensity in different experimental conditions. We also present a study of the optimization of the phase-matching conditions in the gas medium. In virtue of its coherence, partial tunability and high repetition rate characteristics, i.e. short data acquisition times, this laser source lends itself as a very promising tool for carrying out atomic physics experiments in the VUV spectral range.

Journal/Review: OPTICS COMMUNICATIONS

Volume: 121 (1-3)      Pages from: 73  to: 77

More Information: Funding sponsor: ER BCHRXCT930105. – This work has been supportedb y the Commission of theE uropeanC ommunity undert hec ontracts:G El-CT920046 and ER BCHRXCT930105.
KeyWords: Argon; Gases; Harmonic generation; Laser applications; Laser beam effects; Xenon, Gas targets; Ti:S pump laser, Ultraviolet radiation
DOI: 10.1016/0030-4018(95)00513-8

Citations: 2
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