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Proceedings Paper

Broad-area laser array synchronization using external cavity
Author(s): Yun Liu; Vassili A. Kireev; Yoshiro Takiguchi; Yehuda Braiman
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Paper 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.

Paper Details

Date Published: 1 June 2004
PDF: 6 pages
Proc. SPIE 5336, High-Power Diode Laser Technology and Applications II, (1 June 2004); doi: 10.1117/12.528077
Show Author Affiliations
Yun Liu, Oak Ridge National Lab. (United States)
Vassili A. Kireev, Oak Ridge National Lab. (United States)
Yoshiro Takiguchi, Oak Ridge National Lab. (United States)
Shizuoka Univ. (Japan)
Yehuda Braiman, Oak Ridge National Lab. (United States)


Published in SPIE Proceedings Vol. 5336:
High-Power Diode Laser Technology and Applications II
Mark S. Zediker, Editor(s)

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