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Article Dans Une Revue Photon. Année : 2022

Compressing High Energy Lasers through Optical Polymer Films

Résumé

The thin-film post-compression technique has the ability to reduce the pulse duration in PW-class lasers, increasing the peak power. Here, the nonlinear response of an increasingly available optical thermoplastic demonstrates enhanced spectral broadening, with corresponding shorter pulse duration compared to fused silica glass. The thermoplastic can be used close to its damage threshold when refreshed using a roller mechanism, and the total amount of material can be varied by folding the film. As a proof-of-principle demonstration scalable to 10-PW, a roller mechanism capable of up to 6 passes through a sub-millimeter thermoplastic film is used in vacuum to produce two-fold post-compression of the pulse. The compact design makes it an ideal method to further boost ultrahigh laser pulse intensities with benefits to many areas, including driving high energy acceleration.

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Instrumentations et Détecteurs [physics.ins-det]

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https://hal.science/hal-03841439

Soumis le : lundi 7 novembre 2022-10:20:51

Dernière modification le : jeudi 11 avril 2024-13:18:12

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Dates et versions

hal-03841439 , version 1 (07-11-2022)

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Jonathan Wheeler, Gabriel Petrisor Bleotu, Andrei Naziru, Riccardo Fabbri, Masruri Masruri, et al.. Compressing High Energy Lasers through Optical Polymer Films. Photon., 2022, 9 (10), pp.715. ⟨10.3390/photonics9100715⟩. ⟨hal-03841439⟩

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