Lasers and laser amplifiers for non-medical use, in particular for applications within manufacturing, material processing, optical pumping and LIDAR; lasers for non-medical use, in particular lasers providing femtosecond, picosecond and nanosecond pulses, high-power lasers, narrow linewidth lasers and fiber lasers; laser amplifiers for non-medical use, in particular laser amplifiers based on optical fiber amplifier modules; modules for second-harmonic generation in the nature of power amplifi...