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This work reports continuous laser oscillation around 1.3μm at room temperature in Nd:YAG planar waveguides fabricated by MeV proton implantation. The performance of the waveguide lasers fabricated with different implantation parameters has been studied in terms of the threshold pump powers and slope efficiencies. These results have been compared with those obtained in Nd:YAG waveguide lasers operating at a wavelength of 1.06μm, taking into account the different emission cross-sectional values of the F3∕24→I11∕24 and F3∕24→I13∕24 transitions.
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Domenech et al. (2005) studied this question.
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