Phase stabilization of spatiotemporally multiplexed ultrafast amplifiers.
Opt Express
; 24(8): 7893-904, 2016 Apr 18.
Article
en En
| MEDLINE
| ID: mdl-27137231
ABSTRACT
Actively stabilized, simultaneous spatial and temporal coherent beam combination is a promising power-scaling technique for ultrafast laser systems. For a temporal combination based on optical delay lines, multiple stable states of operation arise for common stabilization techniques. A time resolved Jones' calculus is applied to investigate the issue. A mitigation strategy based on a temporally gated error signal acquisition is derived and demonstrated, enabling to stabilize laser systems with arbitrary numbers of amplifier channels and optical delay lines.
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2016
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Article