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Fiber Laser Coherent Array for Power Scaling, Bandwidth Narrowing, and Coherent Beam Direction Control

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2 Author(s)
A. Shirakawa ; Institute for Laser Science, University of Electro-Communications, Japan; akira@ils.uec.ac.jp ; K. Ueda

A 12-MHz-bandwidth fiber laser is reported by coherently arraying eight 10-nm-bandwidth lasers with an 85% addition efficiency. By threshold control of the supermodes, high-speed (> 1kHz), high-contrast-ratio (> 20dB) beam direction control has been demonstrated.

Published in:

2005 Pacific Rim Conference on Lasers & Electro-Optics

Date of Conference:

30-02 Aug. 2005