10.1364/OE.20.011407.m004 B. Ward B. Ward C. Robin C. Robin I. Dajani I. Dajani Media 4: Origin of thermal modal instabilities in large mode area fiber amplifiers Optica Publishing Group 2012 Origin Optics Express media oe instabilitie mode area fiber amplifiers 07 May 2012 2012-05-07 00:00:00 Media https://opticapublishing.figshare.com/articles/media/Media_4_Origin_of_thermal_modal_instabilities_in_large_mode_area_fiber_amplifiers/4943978 Originally published in Optics Express on 07 May 2012 (oe-20-10-11407)