Title :
High energy pulse amplification in a higher-order mode fiber amplifier with axicon for output mode conversion
Author :
Nicholson, J.W. ; Fini, J.M. ; DeSantolo, A. ; Westbrook, P.S. ; Windeler, R.S. ; Kremp, T. ; Headley, C. ; DiGiovanni, D.J.
Author_Institution :
OFS Labs., Somerset, NJ, USA
Abstract :
High energy, 700 μJ, one nanosecond pulses and 490 femtosecond, 50 μJ pulses are demonstrated in an Er-doped, higher-order-mode fiber amplifier. An axicon at the output enables efficient, nonlinearity-free reconversion to a low M2 beam.
Keywords :
erbium; high-speed optical techniques; laser beams; laser modes; lenses; optical fibre amplifiers; Er-doped higher-order-mode fiber amplifier; M2 beam; axicon; energy 50 muJ; energy 700 muJ; femtosecond pulses; high energy pulse amplification; nanosecond pulses; nonlinearity-free reconversion; output mode conversion; time 490 fs; Apertures; Chirp; Correlation; Optical fiber amplifiers; Optical fiber communication; Optical fiber devices; Optimized production technology;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
