10.4 kW 12-channel ultrafast fibre laser

Michael Müller,Christopher Aleshire,Lars Henning Stark,Joachim Buldt,Albrecht Steinkopff,Elissa Haddad,François Légaré,Arno Klenke,Andreas Tünnermann,Jens Limpert

10.4 kW 12-channel ultrafast fibre laser

2020

Michael Müller
Christopher Aleshire
Lars Henning Stark
Joachim Buldt
Albrecht Steinkopff
Elissa Haddad
François Légaré
Arno Klenke
Andreas Tünnermann
Jens Limpert

We present a twelve-channel coherently-combined ultrafast fibre laser delivering 10.4 kW average power at 80 MHz repetition rate with 254 fs pulse duration and excellent beam quality (M2 ≤ 1.2). Further power scaling is discussed.

Keywords:

Laser beam quality
Fiber laser
Ultrashort pulse
Light beam
Communication channel
beam splitters
Materials science
Optics
Pulse duration
Laser power scaling

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