Compact module for high power coherent beam combining of tapered amplifiers

J. Hamperl (1) , P. Albrodt (1) , Patrick Georges (1) , Gaëlle Lucas-Leclin (1)

1 Laboratoire Charles Fabry / Lasers

We describe the design and evaluation of a small footprint interferometer for the coherent beam combining of highbrightness semiconductor amplifiers. The setup relies on off-theshelf commercial devices only. The combined output power reaches 9.7 W in a nearly diffraction-limited beam.

Mots clés: Semiconductor optical amplifiers; Optical interferometry; Phase measurement

Domaines: Optique [physics.optics]; Optique / photonique

J. Hamperl, P. Albrodt, Patrick Georges, Gaëlle Lucas-Leclin. Compact module for high power coherent beam combining of tapered amplifiers. 2019 IEEE High Power Diode Lasers and Systems Conference (HPD), pp.33-34, 2019, ⟨10.1109/HPD48113.2019.8938676⟩. ⟨hal-03109319⟩