Real-time pulse length measurement of few-cycle laser pulses using above-threshold ionization

The pulse lengths of intense few-cycle (4-10 fs) laser pulses at 790 nm are determined in real-time using a stereographic above-threshold ionization (ATI) measurement of Xe, i.e. the same apparatus recently shown to provide a precise, real-time, every-single-shot, carrier-envelope phase measurement...

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Bibliographic Details
Published inOptics express Vol. 19; no. 5; pp. 4464 - 4471
Main Authors Sayler, A M, Rathje, Tim, Müller, W, Kürbis, Ch, Rühle, Klaus, Stibenz, Gero, Paulus, G G
Format Journal Article
LanguageEnglish
Published United States 28.02.2011
Subjects
Computer Systems
Equipment Design
Equipment Failure Analysis - instrumentation
Ions
Lasers
Photometry - instrumentation
Signal Processing, Computer-Assisted - instrumentation
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Summary:The pulse lengths of intense few-cycle (4-10 fs) laser pulses at 790 nm are determined in real-time using a stereographic above-threshold ionization (ATI) measurement of Xe, i.e. the same apparatus recently shown to provide a precise, real-time, every-single-shot, carrier-envelope phase measurement of ultrashort laser pulses. The pulse length is calibrated using spectral-phase interferometry for direct electric-field reconstruction (SPIDER) and roughly agrees with calculations done using quantitative rescattering theory (QRS). This stereo-ATI technique provides the information necessary to characterize the waveform of every pulse in a kHz pulse train, within the Gaussian pulse approximation, and relies upon no theoretical assumptions. Moreover, the real-time display is a highly effective tool for tuning and monitoring ultrashort pulse characteristics.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.19.004464