Title :
High-brightness wavelength-beam-combined diode laser stacks using a volume Bragg grating (VBG)
Author :
Chann, B. ; Goyal, A.K. ; Sanchez-Rubio, A. ; Fan, T.Y. ; Volodin, B.L. ; Ban, V.S.
Author_Institution :
Lincoln Lab., MIT, Lexington, MA
Abstract :
Using VBG-stabilized wavelength beam combining of 3-bar diode laser stack, we demonstrate 89.5 W CW with beam quality M2 ~ 26 in the slow-axis and M2~21 in the fast-axis. The beam combining efficiency is 75%.
Keywords :
diffraction gratings; laser beams; laser stability; semiconductor lasers; continuous-wave beam; diode laser; high-brightness laser stacks; power 89.5 W; stabilized laser stack; volume Bragg grating; wavelength-beam-combined laser stacks; Bragg gratings; Brightness; Diffraction gratings; Diode lasers; Fiber lasers; Laser beams; Lenses; Optical arrays; Reflectivity; Semiconductor laser arrays; (140.2010) Diode laser arrays; (140.3290) Laser beam shaping; (140.3300) Laser arrays; (140.3410) Laser resonators;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4627707
