Adaptive Control of the Spatial Profile of Radiation in the System of Coherent Beam Combining of Fiber Laser Beams

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Abstract

A new approach based on coherent beam combining of radiation emitted by an array of phase controlled fiber lasers in the far optical field is studied theoretically and experimentally. In this case, the resultant intensity distribution is formed as a result of combining and interference of wave fields of subbeams and determined by controlled phase relations between subbeams. The feasibility of forming a preset spatial profile of radiation in scalar and vector synthesized beams characterized by the inhomogeneous local intensity distribution (structured radiation) is considered, and promises for further investigations are outlined. The concept of a versatile “digital laser” is formulated.

About the authors

Egor V. Adamov

V.E. Zuev Institute of Atmospheric Optics, SB RAS

Author for correspondence.
Email: adamov@iao.ru
Russian Federation, 1 Academician Zuev Sqr., Tomsk, 634055, Russia

Valerii P. Aksenov

V.E. Zuev Institute of Atmospheric Optics, SB RAS

Email: avp@iao.ru
Russian Federation, 1 Academician Zuev Sqr., Tomsk, 634055, Russia

Vadim V. Dudorov

V.E. Zuev Institute of Atmospheric Optics, SB RAS

Email: dvv@iao.ru
Russian Federation, 1 Academician Zuev Sqr., Tomsk, 634055, Russia

Valeriy V. Kolosov

V.E. Zuev Institute of Atmospheric Optics, SB RAS

Email: kvv@iao.ru
Russian Federation, 1 Academician Zuev Sqr., Tomsk, 634055, Russia

Mikhail E. Levitskii

V.E. Zuev Institute of Atmospheric Optics, SB RAS

Email: top@iao.ru
Russian Federation, 1 Academician Zuev Sqr., Tomsk, 634055, Russia

References

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Copyright (c) 2023 Adamov E.V., Aksenov V.P., Dudorov V.V., Kolosov V.V., Levitskii M.E.

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