Chinese Optics Letters, Vol. 5, Issue 5, 284 (2007)
In-phase output beam from broad-area diode array using Talbot cavity
Pengfei Zhao*, Qiang Li, Weirong Guo, Bo Liu, and Tiechuan Zuo
- College of Laser Engineering, Beijing University of Technology, Beijing 100022
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.
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