Diffraction-limited operation from a multimode LMA fiber using active digital holography precompensation


We demonstrate for the first time beam pre-compensation shaping using digital holography allowing diffraction-limited operation out of a multimode fiber in CW and pulsed regime. Usually, coherent combining uses several separated single mode fibers to overcome the limitations of fiber lasers and amplifiers caused by nonlinear effects. These techniques imply… (More)


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