High peak power actively Q-switched Ho3+, Pr3+-co- doped fluoride fibre laser

Abstract

An actively Q-switched diode-pumped Ho3+, Pr3+-co- doped fluoride glass fibre laser operating in the first-order diffraction mode is demonstrated. At a repetition a rate of 1 kHz, the laser produces pulses with a maximum peak power of 576 W and a pulse width of 33 ns at an average power of 19 mW at 2.87 μm. © The Institution of Engineering and Technology 2013.