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Control of the configuration of multiple femtosecond filaments in air by adaptive wavefront manipulation

Research output: Contribution to Journal/MagazineJournal articlepeer-review

<mark>Journal publication date</mark>21/03/2016
<mark>Journal</mark>Optics Express
Issue number6
Number of pages12
Pages (from-to)6071-6082
Publication StatusPublished
Early online date10/03/16
<mark>Original language</mark>English


We demonstrate the ability to position single and multiple filaments arbitrarily within the energy reservoir of a high power femtosecond laser pulse. A deformable mirror controlled by a genetic algorithm finds the optimal phase profile for producing filaments at user-defined locations within the energy reservoir to within a quarter of the nominal filament size, on average. This proof-of-principle experiment demonstrates a potential technique for fast control of the configuration of the filaments. (C) 2016 Optical Society of America