The robust phase locking of a linear diode array consisting of 49 broad-area emitters was demonstrated. The single lobe in the far field with output power of 0.83 W was observed. The far-field divergence was reduced to 2.0 mrad. The spectral bandwidth was reduced from 1.7 to 0.13 nm.
© 2007 Chinese Optics Letters
(140.2010) Lasers and laser optics : Diode laser arrays
(140.3290) Lasers and laser optics : Laser arrays
(140.3300) Lasers and laser optics : Laser beam shaping
(140.3410) Lasers and laser optics : Laser resonators
Pengfei Zhao, Qiang Li, Weirong Guo, Bo Liu, and Tiechuan Zuo, "In-phase output beam from broad-area diode array using Talbot cavity," Chin. Opt. Lett. 5, 284-285 (2007)