12 March 2024Conceptual design of an efficient, high-energy, broadband, high repetition rate laser system for ultrafast laser matter interaction applications at 1.45 μm
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High-intensity ultrafast lasers are used as drivers for Laser Wakefield Acceleration (LWFA) and as a source for secondary radiation. A conceptual design is proposed for a high repetition rate petawatt-class laser system based on Cr:YAG operating at 1.45 μm, pumped by a Yb:YAG laser in a multi-slab, gas-cooled architecture. The concept leverages direct 1μm-pumping in Cr:YAG with a unique energy storage and extraction scheme for efficiency improvement as well as ASE management. Modelling results show post-compression energy can reach in excess of 80J, 80fs at 10Hz repetition rates, allowing laser-matter interaction experiments in a previously unexplored spectral region.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
Saumyabrata Banerjee andRotem Kupfer
"Conceptual design of an efficient, high-energy, broadband, high repetition rate laser system for ultrafast laser matter interaction applications at 1.45 μm", Proc. SPIE 12864, Solid State Lasers XXXIII: Technology and Devices, 128640O (12 March 2024); https://doi.org/10.1117/12.2689022
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Saumyabrata Banerjee, Rotem Kupfer, "Conceptual design of an efficient, high-energy, broadband, high repetition rate laser system for ultrafast laser matter interaction applications at 1.45µm," Proc. SPIE 12864, Solid State Lasers XXXIII: Technology and Devices, 128640O (12 March 2024); https://doi.org/10.1117/12.2689022