High Energy Pulsed Operation of a Tapered Rod-Type Multicore Fiber Amplifier

Christopher Aleshire,Albrecht Steinkopff,Maximilian Karst,Arno Klenke,Cesar Jauregui,Stefan Kuhn,Johannes Nold,Nicoletta Haarlammert,Thomas Schreiber,Jens Limpert

High Energy Pulsed Operation of a Tapered Rod-Type Multicore Fiber Amplifier

2021

Christopher Aleshire
Albrecht Steinkopff
Maximilian Karst
Arno Klenke
Cesar Jauregui
Stefan Kuhn
Johannes Nold
Nicoletta Haarlammert
Thomas Schreiber
Jens Limpert

Nanosecond-class pulse energies up to 32 mJ are obtained from a tapered rod-type multicore fiber. The tapered fiber improves output beam quality in large multimode cores, with targeted application in ultrafast coherently combined systems.

Keywords:

pulse
Optoelectronics
Multi-mode optical fiber
Amplifier
Laser beam quality
Materials science
Ultrashort pulse
Fiber
multicore fiber
high energy

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