Significant progress has been made using wavelength and coherent beam combining, leading to combining of laser arrays with diffraction-limited output. This tutorial provides an overview of fiber beam combining and the trades among various techniques.
© 2008 The Optical Society
T. Y. Fan, "Beam Combining of Fiber Lasers," in Frontiers in Optics 2008/Laser Science XXIV/Plasmonics and Metamaterials/Optical Fabrication and Testing, OSA Technical Digest (CD) (Optical Society of America, 2008), paper FTuJ1.