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- Article name
- Fоrmation and diagnostic of FEL ultrashort electron bunches
- Authors
- Brovko O. I., , obrovko@list.ru, Joint Institute for Nuclear Research, 6 J. Cuiri str., Dubna, Moscow Region, 141980, Russia
Makarov R. S., , obrovko@list.ru, Joint Institute for Nuclear Research, 6 J. Cuiri str., Dubna, Moscow Region, 141980, Russia
Matyushevskiy E. A., , obrovko@list.ru, Joint Institute for Nuclear Research, 6 J. Cuiri str., Dubna, Moscow Region, 141980, Russia
Morozov N. A., , obrovko@list.ru, Joint Institute for Nuclear Research, 6 J. Cuiri str., Dubna, Moscow Region, 141980, Russia
Syresin E. M., , obrovko@list.ru, Joint Institute for Nuclear Research, 6 J. Cuiri str., Dubna, Moscow Region, 141980, Russia
Yurkov M. V., , obrovko@list.ru, Joint Institute for Nuclear Research, 6 J. Cuiri str., Dubna, Moscow Region, 141980, Russia
- Keywords
- free electron laser / electron bаnch / undulator / wave / diagnostics
- Year
- 2010 Issue 3 Pages 46 - 55
- Code EDN
- Code DOI
- Abstract
- Formation and diagnostic of ultrashort electron bunches are discussed for FEL like FLASH, XFEL and FEL applied for extreme ultraviolet lithography. The main peculiarity of these accelerator complexes is related to formation of ultrashort electron bunches with r.m.s. length of 50 μm. Novel diagnostics is are required to provide femtoscale time resolution in the modern FEL like FLASH, and future XFEL and extreme ultraviolet lithography projects. The infrared undulator constructed at JINR and installed at FLASH is used for longitudinal bunch shape measurements and for two-color lasing provided by the FIR and VUV undulators. Two-color lasing in pump-probe experiments permits to investigate dynamics of atomic and molecular systems with time resolution of 100-500 fs. A special diagnostic based on micro channel plates was developed for measurement of FEL radiation at wave length of 6.5-30 nm.
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