Title :
27-mJ nanosecond pulses in M/sup 2/ = 6.5 beam from a coiled highly multimode Yb-doped fiber amplifier
Author :
Chen, M.-Y. ; Chang, Y.-C. ; Galvanauskas, A. ; Mamidipudi, P. ; Changkakoti, R. ; Gatchell, P.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Michigan Univ., Ann Arbor, MI, USA
Abstract :
27-mJ and 50-ns pulses are generated at 1064 nm from a 200-/spl mu/m diameter, 0.06 NA core Yb-doped DC fiber amplifier. Fiber supporting /spl sim/200 transverse modes is coiled to produce mode-filtered beam with M/sup 2/ = 6.5.
Keywords :
laser modes; optical fibre amplifiers; optical pulse generation; ytterbium; 1064 nm; 200 mum; 27 mJ; 50 ns; coiled highly multimode Yb-doped fiber amplifier; mode-filtered beam; nanosecond pulses generation; transverse modes;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
