Continuous-wave VECSEL Raman laser with tunable lime-yellow-orange output

Jipeng Lin*, Helen M. Pask, David J. Spence, Craig J. Hamilton, Graeme P A Malcolm

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)
12 Downloads (Pure)


We report a compact CW KGW Raman laser with intracavity nonlinear mixing, pumped by the intracavity field of a VECSEL. By temperature tuning an intracavity LBO crystal, we obtained two separate tunable emissions bands, namely 548.5 - 566 nm for sum-frequencygeneration (SFG) of the fundamental and Stokes wavelengths, and 577.5 -596 nm for second-harmonic-generation (SHG) of the Stokes wavelength. The maximum output powers for SFG and SHG were 0.8W @ 560nm and 0.52W @ 592.5nm, with corresponding diode-to-visible optical conversion efficiencies of 4.2% and 2.9%. These preliminary results show strong potential for expanding the spectral coverage of VECSEL lasers.

Original languageEnglish
Pages (from-to)5219-5224
Number of pages6
JournalOptics Express
Issue number5
Publication statusPublished - 27 Feb 2012

Bibliographical note

This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: []. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.


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