Broad-area laser array synchronization using external cavity

Yun Liu; Vassili A. Kireev; Yoshiro Takiguchi; Yehuda Braiman

doi:10.1117/12.528077

1 June 2004 Broad-area laser array synchronization using external cavity

Yun Liu, Vassili A. Kireev, Yoshiro Takiguchi, Yehuda Braiman

Proceedings Volume 5336, High-Power Diode Laser Technology and Applications II; (2004) https://doi.org/10.1117/12.528077
Event: Lasers and Applications in Science and Engineering, 2004, San Jose, Ca, United States

Abstract

We present experimental results on the locking of a 19-broad-area semiconductor laser array using a novel design of external cavity containing a lens array, projection optics, and a diffractive grating. All lasers are locked to single longitudinal mode. Significant improvement of the spatial profile of the entire laser array output beam has been observed. The center lobe of the far-field pattern of the laser array shows a single wavelength which can be tuned over a range more than 10 nm. The proposed technology can be applied to larger arrays including the stacked arrays.

Citation Download Citation

Yun Liu, Vassili A. Kireev, Yoshiro Takiguchi, and Yehuda Braiman "Broad-area laser array synchronization using external cavity", Proc. SPIE 5336, High-Power Diode Laser Technology and Applications II, (1 June 2004); https://doi.org/10.1117/12.528077

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