Ultra-broadband and large aperture gratings for single-cycle Exawatt lasers

Yuxing Han; Zhaoyang Li; Yunxia Jin; Hongchao Cao; Fanyu Kong; Jianda Shao

doi:10.1117/12.2686846

27 November 2023 Ultra-broadband and large aperture gratings for single-cycle Exawatt lasers

Yuxing Han, Zhaoyang Li, Yunxia Jin, Hongchao Cao, Fanyu Kong, Jianda Shao

Proceedings Volume 12760, Advanced Lasers, High-Power Lasers, and Applications XIV; 127600C (2023) https://doi.org/10.1117/12.2686846
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Abstract

Compressing high-energy laser pulses to a single cycle will break the current limitation of super-scale projects and facilitate future Exawatt lasers. However, the lack of ultra-broadband gratings capable of supporting single-cycle pulse stretching and compression is a core problem that cannot be overcome. Recently, we solved this problem and developed gratings with the broadest bandwidth (broader than 400 nm) that can support near-single-cycle laser pulses (about 4 fs). A 200 mm (Length) ultra-broadband grating is being fabricated supporting a single-cycle terawatt-level prototype. Meanwhile, the 1600 mm (Length) fabrication campaign is underway and will be completed in 2024–2025 at SIOM, facilitating the single-cycle Exawatt lasers.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yuxing Han, Zhaoyang Li, Yunxia Jin, Hongchao Cao, Fanyu Kong, and Jianda Shao "Ultra-broadband and large aperture gratings for single-cycle Exawatt lasers", Proc. SPIE 12760, Advanced Lasers, High-Power Lasers, and Applications XIV, 127600C (27 November 2023); https://doi.org/10.1117/12.2686846

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