Title :
Passive coherent beam combining of fiber lasers: Accurate measurements of phase error tolerance
Author :
Hung-Sheng Chiang ; Leger, James R. ; Nilsson, Johan ; Sahu, Jayanta
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Minnesota, Minneapolis, MN, USA
Abstract :
A cladding-pumped dual core ytterbium fiber laser is designed and fabricated to measure phase error tolerance in passive coherent beam combining. We show quantitative measurements on the effects of longitudinal modes on phase error tolerance.
Keywords :
fibre lasers; laser beams; laser modes; optical design techniques; optical fibre cladding; optical fibre fabrication; optical pumping; ytterbium; cladding-pumped dual core ytterbium fiber laser; longitudinal modes; passive coherent beam combining; phase error tolerance; Fiber lasers; Laser beams; Laser modes; Laser tuning; Measurement by laser beam; Measurement uncertainty; Optical fiber polarization;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
