Efficient quasi-phase-matched frequency doubling with phase compensation by a wedged crystal in a standing-wave external cavity

I. Juwiler*, A. Arie, A. Skliar, G. Rosenman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

In standing-wave enhancement cavities for frequency doubling, second-harmonic fields are generated in both directions of propagation. To add the fields coherently, one should compensate for the phase shifts introduced by dispersive elements in the cavity. We experimentally demonstrate phase compensation in a compact standing-wave frequency-doubling cavity by use of a wedged periodically poled KTP crystal. The highest conversion efficiency and second-harmonic power obtained by pumping with a 1064-nm cw Nd:YAG laser were 69.4% and 268 mW, respectively.

Original languageEnglish
Pages (from-to)1236-1238
Number of pages3
JournalOptics Letters
Volume24
Issue number17
DOIs
StatePublished - 1 Sep 1999

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