3 October 2007 Carrier envelope phase effects on polarization gated attosecond spectra
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Abstract
Polarization gated high harmonic generation in argon gas was phase matched to produce a single or double pulses with 104 photons. It was accomplished by optimizing the argon gas pressure. The spectrum interference of the two pulses is affected by the carrier-envelope phase like in Young's experiments. The XUV flux is sufficient for measuring the single shot XUV spectrum in the 33eV-55eV photon energy range. The spectral profile was a super-continuum for some shots and showed discrete high harmonics peaks for other shots. The carrier-envelope phase of pulses from grating-based chirped pulse amplification was also varied smoothly to cover a 2π range by controlling the grating separation. It is demonstrated that XUV spectra measures both the absolute value of the phase and the stability of the phase by measuring the phase with an f-to-2f setup and by the variation of XUV spectra from polarization gated high harmonics generation.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mahendra Man Shakya, Mahendra Man Shakya, S. Gilbertson, S. Gilbertson, Hiroki Mashiko, Hiroki Mashiko, C. Nakamura, C. Nakamura, C. Li, C. Li, E. Moon, E. Moon, Z. Duan, Z. Duan, Jason Tackett, Jason Tackett, Zenghu Chang, Zenghu Chang, "Carrier envelope phase effects on polarization gated attosecond spectra", Proc. SPIE 6703, Ultrafast X-Ray Sources and Detectors, 67030H (3 October 2007); doi: 10.1117/12.737600; https://doi.org/10.1117/12.737600
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