5-Femtosecond Laser-Electron Synchronization for Pump-Probe Crystallography and Diffraction

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2015
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Walbran, Matthew
Gliserin, Alexander
Jung, Kwangyun
Kim, Jungwon
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https://doi.org/10.1103/PhysRevApplied.4.044013
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Physical Review Applied. 2015, 4(4), 044013. eISSN 2331-7019. Available under: doi: 10.1103/PhysRevApplied.4.044013
Zusammenfassung

For improving the temporal resolution in ultrafast pump-probe electron or x-ray diffraction, we report a laser-electron synchronization concept via direct microwave extraction from the laser frequency comb combined with phase detection by fiber-loop interferometry, in situ drift correction via electron-energy analysis, and laser-electron streaking for final timing metrology. We achieve a laser-electron jitter below 5 fs (rms) integrated between 8 min and Nyquist period (400 ns). Slower drifts are also below 5 fs (rms) after active compensation. This result helps advance femtosecond crystallography with electrons or x rays to the regime of fundamental atomic-scale dynamics and light-matter interaction.

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ISO 690WALBRAN, Matthew, Alexander GLISERIN, Kwangyun JUNG, Jungwon KIM, Peter BAUM, 2015. 5-Femtosecond Laser-Electron Synchronization for Pump-Probe Crystallography and Diffraction. In: Physical Review Applied. 2015, 4(4), 044013. eISSN 2331-7019. Available under: doi: 10.1103/PhysRevApplied.4.044013
BibTex
@article{Walbran2015-10-205Femt-43267,
  year={2015},
  doi={10.1103/PhysRevApplied.4.044013},
  title={5-Femtosecond Laser-Electron Synchronization for Pump-Probe Crystallography and Diffraction},
  number={4},
  volume={4},
  journal={Physical Review Applied},
  author={Walbran, Matthew and Gliserin, Alexander and Jung, Kwangyun and Kim, Jungwon and Baum, Peter},
  note={Article Number: 044013}
}
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