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Infrared and self-frequency doubled laser action in Yb3+-doped LiNbO3:MgO

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6 Author(s)
Montoya, E. ; Departamento de Fı´sica de Materiales, C-IV, Universidad Autónoma de Madrid, Cantoblanco 28049 Madrid, Spain ; Capmany, J. ; Bausa, L.E. ; Kellner, T.
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Stable continuous-wave laser action in the near-infrared and in the green spectral region has been obtained in a self-frequency doubling solid-state laser, the Yb3+:MgO:LiNbO3 nonlinear crystal. By pumping with a Ti:sapphire laser and using a nearly concentric cavity, laser action at 1.06 μm was achieved with an absorbed power threshold of 101 mW and efficiency around 47%. As much as 60 mW of self-frequency-doubled radiation at 530 nm was also obtained with absorbed pump powers of 800 mW in critical cavity alignment. Efficient laser action was also obtained in the near-infrared region under pumping with diode laser. © 1999 American Institute of Physics.

Published in:

Applied Physics Letters  (Volume:74 ,  Issue: 21 )