Diffraction limited 195-W continuous wave laser emission at 2.09 µm from a Tm<sup>3+</sup>, Ho<sup>3+</sup>-codoped single-oscillator monolithic fiber laser
Arnaud Motard, Christophe Louot, Thierry Robin, Benoît Cadier, Inka Manek‐Hönninger, Nicolas Dalloz, Anne Hildenbrand-Dhollande
Abstract
We present a bi-directionally 793-nm diode-pumped Tm 3+ , Ho 3+ -codoped silica polarization maintaining double-clad all-fiber laser based on a single-oscillator architecture emitting 195 W at 2.09 µm in continuous wave mode of operation, with a beam quality near the diffraction limit (M 2 = 1.08). The power scaling of the laser is only pump-power-limited in the range of the total available pump power (540 W).
Topics & Concepts
OpticsLaserMaterials scienceFiber laserContinuous waveDiffractionLaser power scalingLaser pumpingLaser beam qualityOptoelectronicsPhysicsLaser beamsPhotonic Crystal and Fiber OpticsSolid State Laser TechnologiesAdvanced Fiber Laser Technologies