Intra-cavity second-harmonic and sum-frequency generation in a diode-pumped broadband Yb-doped fibre laser |
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Authors: | AE El-Taher YH Tsang DJ Binks |
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Institution: | Photon Physics Group, School of Physics and Astronomy, University of Manchester, Manchester M13 9PL, United Kingdom |
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Abstract: | Intra-cavity nonlinear frequency mixing in a diode-pumped, broadband Yb-doped fibre laser has been investigated. Second-harmonic generation of the fibre output, second-harmonic generation of the residual pump beam and sum frequency mixing between the two was achieved simultaneously, resulting in three colour operation in the blue-green region. Including the nonlinear crystal inside the cavity is also shown to be effective in reducing fluctuations in the output power. |
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Keywords: | Intra-cavity Second-harmonic generation Sum-frequency generation Broadband Ytterbium Fibre laser |
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