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Experimental study demonstrates 1.6-terawatt femtosecond pulses in a long-wave infrared carbon dioxide laser, highlighting pathways to few-cycle multi-terawatt systems.
We utilized a nonlinear post-compression technique to generate 675-fs, 9.2-μm CO 2 laser pulses with a peak power of 1.6 TW. This achievement represents the highest peak power ever attained in the femtosecond pulse format within the long-wave infrared (LWIR) spectral range. The successful implementation of this post-compression technique opens avenues for the development of few-cycle, multi-terawatt 9–10 μm lasers, crucial for applications currently relying on near-infrared solid-state lasers, and which stand to benefit from the scaling of laser wavelengths into the long-wave infrared region.
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Pogorelsky et al. (2024) studied this question.
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