Phase-locked CO2 laser array using diagonal coupling of waveguide channels

K. M. Abramski, A. D. Colley, H. J. Baker, D. R. Hall

Research output: Contribution to journalArticle

Abstract

Continuous coupling of square-bore CO2 waveguide lasers by geometrical overlap in the diagonal direction has been used for phase locking of a five-channel array. A radio-frequency discharge excited device has produced 125 W in phase-locked operation, with power per channel equal to independent single channels. The dependence of phase-locking range on the coupling geometry, and dimensional tolerances has been demonstrated. The array radiates approximately 65% of its power in the axial lobe.

Original languageEnglish
Pages (from-to)530-532
Number of pages3
JournalApplied Physics Letters
Volume60
Issue number5
DOIs
Publication statusPublished - 1992

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