Scientific Results

Sum-frequency generation of cw ultraviolet radiation in periodically poled LiTaO3

Year: 2009

Authors: Ricciardi I., De Rosa M., Rocco A., Ferraro P., Vannucci A., Spano P., De Natale P.

Autors Affiliation: CNR-INOA, Istituto Nazionale di Ottica Applicata, Sezione di Napoli, Via Campi Flegrei 34, I-80078 Pozzuoli (NA), Italy; Andromeda s.r.l., Centro Direzionale Isola B3, Via G. Porzio, I-80147 Napoli, Italy

Abstract: We present cw sum-frequency generation of LTV radiation at 355 nm based on a high-power laser at 1064 nm and a two-stage quasi-phase-matching nonlinear interaction in periodically poled LiTaO3 crystals. In a first stage, second harmonic at 532 nm is generated. Then, the outcoming IR and green light interact in a second nonlinear crystal to generate about 7 mW of ultraviolet radiation at the sum frequency. (C) 2009 Optical Society of America

Journal/Review: OPTICS LETTERS

Volume: 34 (9)      Pages from: 1348  to: 1350

KeyWords: High power lasers; Phase matching; Ultraviolet radiation, Green light; Nonlinear crystals; Nonlinear interactions; Periodically poled; Quasi phase matching; Second harmonics; Sum frequency; Sum frequency generation, Interferometry
DOI: 10.1364/OL.34.001348

Citations: 17
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