Up to 30 mW of broadly tunable CW green-to-orange light, based on sum-frequency mixing of Cr4+:forsterite and Nd:YVO4 lasers

Jesper Liltorp Mortensen, Alan McWilliam, Christopher G Leburn, Peter Tidemand-Lichtenberg, Morten Thorhauge, Jiri Janousek, Christian T.A. Brown, Alexander A. Lagatsky, Preben Buchhave, Wilson Sibbett

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Efficient generation of continuous-wave (CW) tunable light in the yellow region is reported. The method is based on sum-frequency mixing of a tunable Cr4+:forsterite laser with a Nd:YVO4 laser. A periodically poled lithium niobate crystal was placed intra-cavity in a Nd:YVO4 laser, and the Cr4+:forsterite laser was single-passed through the non-linear media. With this setup, it was possible to generate up to 3 mW of yellow light smoothly tunable from 573 to 587 nm. This is the highest output demonstrated to date for a tunable diode pumped solid-state CW laser in this wavelength region. The ways to improve the efficiency further are discussed.
Original languageEnglish
JournalOptics Communications
Volume241
Pages (from-to)487-492
ISSN0030-4018
Publication statusPublished - 2006

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