Tanaka Yuichi, Okida Masahito, Miyamoto Katsuhiko, Omatsu Takashige
Graduate School of Advanced Integration Science, Chiba University, Chiba, 263-8522, Japan.
Opt Express. 2009 Aug 3;17(16):14362-6. doi: 10.1364/oe.17.014362.
We present the production of picosecond vortex pulses from a stressed large-mode-area fiber amplifier for the first time. 8.5 W picosecond output with a peak power of approximately 12.5 kW was obtained at a pump power of 29 W. 2009 Optical Society of America.