Observation of light-phase-sensitive photoemission from a metal

We demonstrate that multiphoton-induced photoelectron emission from a gold surface caused by low-energy (unamplified) 4-fs, 750-nm laser pulses is sensitive to the timing of electric field oscillations with respect to the pulse peak. This observation confirms recent theoretical predictions and opens...

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Bibliographic Details
Published in:Physical review letters 2004-02, Vol.92 (7), p.073902-073902, Article 073902
Main Authors: Apolonski, A, Dombi, P, Paulus, G G, Kakehata, M, Holzwarth, R, Udem, Th, Lemell, Ch, Torizuka, K, Burgdörfer, J, Hänsch, T W, Krausz, F
Format: Article
Language:English
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Summary:We demonstrate that multiphoton-induced photoelectron emission from a gold surface caused by low-energy (unamplified) 4-fs, 750-nm laser pulses is sensitive to the timing of electric field oscillations with respect to the pulse peak. This observation confirms recent theoretical predictions and opens the door to measuring the absolute value of the carrier-envelope phase difference of few-cycle light pulses with a solid-state detector.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.92.073902