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Thermal lensing in a diode-end-pumped continuous-wave self-Raman Nd-doped GdVO4 laser

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Abstract

We have directly measured thermal lensing in a continuous-wave Nd-doped GdVO4 self-Raman laser under diode pumping at 808 and 879 nm. Thermal lensing increased significantly when generating first-Stokes emission, this most likely originating from impurity absorption and/or excited-state absorption at high pump powers. Pumping at 879 nm significantly reduced thermal lens effects in the laser crystal compared with pumping at 808 nm.

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Acknowledgements

The authors acknowledge support from a Grant-in-Aid for Scientific Research (No. 21360026) from the Japan Society for the Promotion of Science, and the Australian Research Council.

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Authors and Affiliations

  1. Graduate School of Advanced Integration Science, Chiba University, 1-33, Yayoi-cho, Inage-ku, Chiba, 263-8522, Japan

    T. Omatsu & M. Okida

  2. Department of Physics and Astronomy, Macquarie University, Sydney, NSW, 2109, Australia

    A. Lee & H. M. Pask

Authors
  1. T. Omatsu
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  2. M. Okida
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  3. A. Lee
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  4. H. M. Pask
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Correspondence to A. Lee.

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Omatsu, T., Okida, M., Lee, A. et al. Thermal lensing in a diode-end-pumped continuous-wave self-Raman Nd-doped GdVO4 laser. Appl. Phys. B 108, 73–79 (2012). https://doi.org/10.1007/s00340-012-4919-7

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  • DOI: https://doi.org/10.1007/s00340-012-4919-7

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