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Updated: Jul 7, 2026

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
Self-compression of attosecond high-order harmonic pulses
Kyung Taec Kim1, Kyung Sik Kang, Mi Na Park
1Department of Physics and Coherent X-Ray Research Center, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Korea.
Abstract:
Self-compression of attosecond high-order harmonic pulses in the harmonic generation medium itself has been demonstrated. The attosecond pulses were generated in an argon-filled gas cell and compressed by exploiting the dispersion characteristics of argon. Since the harmonic generation medium itself was used as the compression medium, continuous chirp control was easily achieved by adjusting the gas pressure. The optimized attosecond pulse was also the most intense, and its duration of 206 as was very close to the transform-limited value of 200 as.
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