Real-time, single-shot, carrier-envelope-phase measurement of a multi-terawatt laser

D. Adolph, M. Möller, J. Bierbach, M. Schwab, A. Sävert, M. Yeung, A. M. Sayler, M. Zepf, M. C. Kaluza, G. G. Paulus

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We present the single-shot carrier-envelope phase (CEP) determination of a 1Hz, multi-terawatt (TW) laser system with a setup based on spectral broadening in a hollow-core fiber and a stereographic measurement of the energy-dependent above-threshold ionization plateau. The latter is extremely sensitive to variations in CEP. As compared to the f-2f interferometers, this technique reduces the uncertainties due to the shot-to-shot intensity fluctuations, which are prevalent in the TW laser systems. The experimental results pave the way towards the investigation and control over CEP-sensitive processes at ultra-high intensities.
Original languageEnglish
Article number081105
Number of pages4
JournalApplied Physics Letters
Issue number8
Publication statusPublished - 23 Feb 2017


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