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Proceedings Paper

Coherent combination of multiline lasers
Author(s): Richard A. Chodzko; Jay Marshall Bernard; Harold Mirels
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Paper Abstract

Coupled unstable resonators and phase-matched amplifiers with a master oscillator (MOPA) are studied in the framework of coherent beam combination. Coherent combination is accomplished on multiline CW HF lasers by both approaches. It is shown that the MOPA approach requires a master oscillator with good beam quality in order to diagnose the mutual coherence of the two amplified beams and to demonstrate the narrowing of the far-field central lobe. The coupled-unstable-resonators approach is found to be more difficult due to the coupling-path alignment requirement. Attention is focused on a procedure for equalizing external paths for optimum far-field brightness of multiline phased arrays.

Paper Details

Date Published: 1 June 1990
PDF: 15 pages
Proc. SPIE 1224, Optical Resonators, (1 June 1990); doi: 10.1117/12.18445
Show Author Affiliations
Richard A. Chodzko, The Aerospace Corp. (United States)
Jay Marshall Bernard, The Aerospace Corp. (United States)
Harold Mirels, The Aerospace Corp. (United States)

Published in SPIE Proceedings Vol. 1224:
Optical Resonators
Dale A. Holmes, Editor(s)

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