From Event: SPIE Optics + Optoelectronics, 2023
In this work we report experimental compression of 9.4 mJ, 9.4 W, and 1.2 picosecond long pulses down to 7 mJ ,13 fs at 1 kHz in two cascaded stages with gas filled multi-pass cells (MPCs). The output from the first, argon filled MPC is compressed to <50 fs. The output pulses of the subsequent second MPC stage filled with Neon is then compressed to 13 fs using a chirped mirror compressor. The overall transmission, and compression ratio of both stages exceed 74 % and 92 times respectively.
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Nikita Khodakovskiy, Supriya Rajhans, Esmerando Escoto, Praveen K. Velpula, Bonaventura Farace, Rob Shalloo, Kristjan Poder, Jens Osterhoff, Wim P. Leemans, Ingmar Hartl, and Christoph M. Heyl, "Sub-TW laser pulses via post-compression of 9 mJ, 1.2 picosecond laser pulses to 13 fs (Conference Presentation)," Proc. SPIE PC12577, High-power, High-energy Lasers and Ultrafast Optical Technologies, PC125770F (Presented at SPIE Optics + Optoelectronics: April 26, 2023; Published: 8 June 2023); https://doi.org/10.1117/12.2669587.6328967953112.