Orbital angular momentum beams generation from 61 channels coherent beam combining femtosecond digital laser
Matthieu Veinhard, Séverine Bellanger, Louis Daniault, Ihsan Fsaifes, Jérôme Bourderionnet, Christian Larat, É. Lallier, A. Brignon, Jean-Christophe Chanteloup
Abstract
We report on the use of a 61 beamlets coherent beam combination femtosecond fiber amplifiers as a digital laser source to generate high-power orbital angular momentum beams. Such an approach opens the path for higher-order non-symmetrical user-defined far field distributions.
Topics & Concepts
OpticsFemtosecondAngular momentumPhysicsLaserBeam (structure)Laser beam qualityAmplifierLaser beamsOptoelectronicsCMOSQuantum mechanicsOrbital Angular Momentum in OpticsLaser-Matter Interactions and ApplicationsAdvanced Fiber Laser Technologies