Abstract
Passive coherent beam combining of three Yb-doped fiber amplifiers is achieved by Dammann grating spatial filter. We demonstrate 20 W phase locking of tiled-aperture beamlets, and the visibility of the far-field interference pattern is 88.7%.
© 2014 Optical Society of America
PDF ArticleMore Like This
Jun Zhou, Bing He, Yifeng Yang, Houkang Liu, Ye Zheng, and Qihong Lou
FTh3E.1 Fiber-Based Technologies and Applications (FBTA) 2014
Angel Flores, Thomas M. Shay, Chunte A. Lu, Craig Robin, Benjamin Pulford, Anthony D. Sanchez, Dane W. Hult, and Ken B. Rowland
CFE3 CLEO: Science and Innovations (CLEO:S&I) 2011
L. Daniault, M. Hanna, L. Lombard, Y. Zaouter, E. Mottay, D. Goular, P. Bourdon, F. Druon, and P. Georges
CJ9_4 The European Conference on Lasers and Electro-Optics (CLEO/Europe) 2011