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GaN diode-pumping of red semiconductor disk laser

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6 Author(s)
Smith, A. ; Inst. of Photonics, Univ. of Strathclyde, Glasgow ; Hastie, J.E. ; Foreman, H.D. ; Leinonen, T.
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A red-wavelength semiconductor disk laser (SDL) optically pumped by gallium nitride laser diodes is reported. This is believed to be the first demonstration of a directly diode-pumped visible wavelength SDL. In this initial demonstration, pump-power-limited continuous-wave output power up to 12.2 mW was achieved around room temperature in a single transverse mode with 2 output coupling. Insertion of an intracavity birefringent filter allowed tuning of the output over 11 nm around a centre wavelength of 672 nm.

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Electronics Letters  (Volume:44 ,  Issue: 20 )