Title :
Electronic phasing of high power fiber amplifier arrays
Author :
Shay, T.M. ; Baker, J.T. ; Robin, C.A. ; Vergien, C. ; Zerinque, C. ; Gallant, Denis ; Sanchez, A.D. ; Pilkington, D. ; Lu, C.A. ; Bronder, Capt J.
Author_Institution :
Air Force Res. Lab., Aberdeen, NM
Abstract :
A novel robust phase locking architecture has demonstrated coherent beam combination 725-W from five 145-W fiber amplifiers. The technique uses a single photodetector and no reference beam. The measured rms phase error was lambda/60.
Keywords :
laser beams; laser mode locking; optical fibre amplifiers; photodetectors; coherent beam combination; electronic phasing; high power fiber amplifier arrays; phase error; phase locking architecture; photodetector; power 145 W; power 725 W; Fiber nonlinear optics; High power amplifiers; Laser beams; Optical feedback; Optical fibers; Phase control; Phase modulation; Phased arrays; Photodetectors; Radio frequency;
Conference_Titel :
IEEE Lasers and Electro-Optics Society, 2008. LEOS 2008. 21st Annual Meeting of the
Conference_Location :
Acapulco
Print_ISBN :
978-1-4244-1931-9
Electronic_ISBN :
978-1-4244-1932-6
DOI :
10.1109/LEOS.2008.4688854
