title: High power fiber MOPA based QCW laser delivering pulses with arbitrary duration on demand at high modulation bandwidth.
abstract: We report on a concept of a fiber MOPA based quasi-CW laser working at high modulation bandwidths up to 40 MHz capable of producing arbitrary pulse durations at arbitrary repetition rates. An output power of over 100 W was achieved and an on-off contrast of 25 dB. The laser features a dual-channel (dual-wavelength) seed source, a double stage YDF amplifier and a volume-Bragg-grating-based signal de-multiplexer. Minimization of transients was conducted through experiment and model analysis.
authors.forename: Rok
authors.initials: R
authors.lastname: Petkovšek
authors.forename: Vid
authors.initials: V
authors.lastname: Novak
authors.forename: Vid
authors.initials: V
authors.lastname: Agrež