Nonlinear beam clean-up using resonantly enhanced sum-frequency mixing

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We investigate the possibility of improving the beam quality and obtaining high conversion efficiency in nonlinear sum-frequency generation. A 765 nm beam from an external cavity tapered diode laser is single-passed through a nonlinear crystal situated in the high intracavity field of a 1342 nm Nd:YVO4 laser, generating a SFG beam at 488 nm. The ECDL have MH^2=1.9 and MV^2=2.4 and the solid-state laser has M^2
Original languageEnglish
JournalApplied Physics B
Issue number2-3
Pages (from-to)409-413
Publication statusPublished - 2009


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