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Efficient lasers operating in the 1.3 μm band are of interest in the health industry for frequency conversion to the visible spectral region and for Raman shifting to the eye-safe 1.5 μm region. In this work, we demonstrate for the first time, to our knowledge, a side-pumped Nd:YLiF(4) laser emitting at 1.3 μm. An output power of up to 14.9 W was obtained at 1313 nm with 54 W of absorbed pump power, representing 27.7% optical efficiency and a slope efficiency of 45%.
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Deana et al. (2013) studied this question.
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