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A green laser with multi-wavelength emission was demonstrated using intracavity frequency conversion (frequency doubling and frequency summing) in a Nd:Mg:LiTaO3 laser. MgO-doped periodically poled lithium niobate (MgO:PPLN) was used as a nonlinear crystal in this work. A 62 mW that could emit light at 546, 542 and 538 nm was obtained by end pumping with a 808-nm laser diode. The speckle contrast...
By the method of vapor transport equilibration, high optical quality 1.8 mol% MgO-doped near-stoichiometric LiNbO 3 (Mg:SLN) crystals were grown. A uniformly periodic domain structure in a 1.0 mm thick slab of Mg:SLN was fabricated by applying external pulsed field. Using a Ti:sapphire laser with a pulse width of 60 fs and a repetition rate of 82 MHz, third-order quasi-phase-matched second...
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