Title :
Intracavity coherent beam combining of 21 semiconductor gain elements using SPGD
Author :
Augst, S.J. ; Montoya, J. ; Creedon, K. ; Kansky, J. ; Fan, T.Y. ; Sanchez-Rubio, A.
Author_Institution :
M.I.T. Lincoln Lab., Lexington, MA, USA
Abstract :
Coherent beam combining (CBC) allows for achieving high output power in a single diffraction limited beam. Here we report on intracavity CBC of 21-element semiconductor array with 81% beam combining efficiency out of a system maximum combining efficiency of 90%.
Keywords :
diffractive optical elements; laser beams; light coherence; optical arrays; photodetectors; 21-element semiconductor array; SPGD; diffractive optical element; intracavity coherent beam combining; semiconductor gain elements; Adaptive optics; Arrays; Diffraction; Laser beams; Optical feedback; Optical variables control; Optical waveguides;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
