Tailoring Coherent Beam Combined laser pulse train for high peak and average power applications - Laboratoire pour l'utilisation des lasers intenses (LULI)
Pré-Publication, Document De Travail (Preprint/Prepublication) Année : 2024

Tailoring Coherent Beam Combined laser pulse train for high peak and average power applications

Résumé

Laser systems based on Coherent Beam Combination (CBC) that rely on the tiled pupil architecture intrinsically carry digital capabilities independently applicable to all three essential characteristics of a laser pulse: amplitude, phase, and polarization. Those capabilities allow the far-field energy distribution to be flexibly tailored in real time. Operation in the femtosecond regime at high repetition rates gives access to a wide range of applications requiring both high peak and average powers. We address the task of independent peak versus average power adjustment needed for applications seeking to decouple nonlinear phenomena associated with GW peak power from the thermal load inherent to kW average power operation. The technical solutions proposed are presented in the framework of the Ecole Polytechnique XCAN CBC laser platform (61 independent channels) with an emphasis on thermal management measures implemented to ensure its nominal operation.
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Dates et versions

hal-04762029 , version 1 (31-10-2024)

Identifiants

  • HAL Id : hal-04762029 , version 1

Citer

Claude-Alban Ranély-Vergé-Dépré, Corentin Lechevalier, Jordan Andrieu, Ihsan Fsaifes, Igor Jovanovic, et al.. Tailoring Coherent Beam Combined laser pulse train for high peak and average power applications. 2024. ⟨hal-04762029⟩
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