1.6 W continuous-wave Raman laser using low-loss synthetic diamond

Walter Lubeigt, Vasili G. Savitski, Gerald M. Bonner, Sarah L. Geoghegan, Ian Friel, Jennifer E. Hastie, Martin D. Dawson, David Burns, Alan J. Kemp

Research output: Contribution to journalArticle

30 Citations (Scopus)
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Abstract

Low-birefringence (δn<2×10-6), low-loss (absorption coefficient <0.006cm-1 at 1064nm), single-crystal, synthetic diamond has been exploited in a CW Raman laser. The diamond Raman laser was intracavity pumped within a Nd:YVO4 laser. At the Raman laser wavelength of 1240nm, CW output powers of 1.6W and a slope efficiency with respect to the absorbed diode-laser pump power (at 808nm) of ̃18% were measured. In quasi-CW operation, maximum on-time output powers of 2.8W (slope efficiency <24%) were observed, resulting in an absorbed diode-laser pump power to the Raman laser output power conversion efficiency of 13%.
Original languageEnglish
Pages (from-to)6938-6944
Number of pages7
JournalOptics Express
Volume19
Issue number7
DOIs
Publication statusPublished - 2011

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