Title :
Diffractive coherent combining of >kW fibers
Author :
Goodno, Gregory D. ; McNaught, Stuart J. ; Rothenberg, Joshua E. ; Thielen, Peter A. ; Wacks, Martin P.
Author_Institution :
Northrop Grumman Aerosp. Syst., Redondo Beach, CA, USA
Abstract :
Three non-PM, kW-class fiber amplifiers were coherently combined into a 2.4-kW, M2=1.2 beam with 80% efficiency. No power-limiting effects were observed, which anchored scaling predictions to higher powers and efficiencies with larger fiber count arrays.
Keywords :
laser beams; optical arrays; optical fibre amplifiers; M2; diffractive coherent combining; efficiency; efficiency 80 percent; fiber count arrays; laser beam; nonPM kW-class fiber amplifiers; power 2.4 kW; scaling predictions; Fiber lasers; Laser beams; Loss measurement; Optical fiber amplifiers; Optical fiber polarization; Optical fiber sensors;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
