High efficient optical parametric amplification of femtosecond pulses in MgO doped PPLN crystals at 3.4 µm. - Sabirov, Obid I.; Sornambigai, G.; Raja, R. Vasantha Jayakantha; Pandiyan, Krishnamoorthy; Sapaev, Usman K. (Optical & Quantum Electronics, 2023)