Abstract
Electro-optic detection of the Coulomb field of a relativistic electron bunch combined with single-shot cross correlation of optical pulses is used to enable single-shot measurements of the shape and length of femtosecond electron bunches. This method overcomes a fundamental time-resolution limit of previous single-shot electro-optic measurements, which arises from the inseparability of time and frequency properties of the probing optical pulse. Using this new technique we have made real-time measurements of a 50 MeV electron bunch, observing the profile of 650 fs FWHM (~275??fs rms) long bunches. © 2004 The American Physical Society
Original language | English |
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Pages (from-to) | 114802-1-114802-4 |
Journal | Physical Review Letters |
Volume | 93 |
Issue number | 11 |
DOIs | |
Publication status | Published - Sept 2004 |
Keywords
- Electrooptical effects
- Femtosecond electron bunches
- Full width at half-maximum (FWHM)
- FWHM
- Optical pulses
- Spectral decoding