Abstract
A diode-pumped cw (continuous wave) simultaneous dual-wavelength laser operation at 1.06 μm and 946 nm in a single Nd:YAG was demonstrated. The oscillation condition for the simultaneous dual-wavelength operation was derived. A total output power of 2.5 W at the two fundamental wavelengths was achieved at the incident pump power of 17.5 W. Their second harmonic generation at 532 and 473 nm was obtained through frequency doubling with nonlinear crystals KTP (KTiOPO 4) and LBO (LiB 3O 5), respectively.
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