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Tunable ultraviolet output from an intracavity frequency-doubled red vertical-external-cavity surface-emitting laser

Hastie, J.E. and Morton, L.G. and Kemp, A. and Dawson, M.D. and Krysa, A.B. and Roberts, J.S. (2006) Tunable ultraviolet output from an intracavity frequency-doubled red vertical-external-cavity surface-emitting laser. Applied Physics Letters, 89 (6). 061114. ISSN 0003-6951

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Abstract

An optically pumped red vertical-external-cavity surface-emitting laser with an AlInGaP gain region produced more than 1 W of continuous-wave output power at a wavelength of 675 nm. Frequency doubling in a beta-barium borate crystal placed at an intracavity beam waist generated 120 mW of total output power at 338 nm. Using an intracavity birefringent filter a second harmonic tuning range of ~5 nm was achieved.