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Conferences > LAC > 2021 > JM3A > JM3A.43

Demonstration of Precision Phase Locking of a Laser Phased Array to a Weak Remote Beacon

P. Srinivasan, P. Krogen, J. Suen, W. Hettel, A. B. Ware, P. Meinhold, G. B. Hughes, and P. M. Lubin

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Abstract

We demonstrate a sparse 3-channel Laser Phased Array (40 dBm/ch) locked to an ultra low-power (-55 dBm/ch) remote Beacon. We measured a combination efficiency ≥ 17% and 12 µs to peak power. In a nominal closed packed array the combining efficiency is about 62%. This demonstration is a key step in realizing directed energy for space applications.

© 2021 The Author(s)

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