FELBE Free-Electron Laser: Status and Application for Time Resolved Spectroscopy Experiments

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FELBE Free-Electron Laser: Status and Application for Time Resolved Spectroscopy Experiments

Winnerl, S. / Stehr, D. / Drachenko, O. / Schneider, H. / Helm, M. / Seidel, W. / Michel, P. / Schneider, S. / Seidel, J. / Grafstrom, S. / ... [more]

Abstract

This paper reviews the basic properties of the infrared free-electron laser FELBE at the Forschungszentrum Rossendorf. At present FELBE delivers pulses with typical durations of 0.9-5 ps in the wavelength range 4-22 ¿m, which soon will be extended to 150 ¿m. Furthermore we report on recent experiments using FELBE, namely the study of phonon resonances in ferroelectric domains using a newly designed scattering scanning near-field optical microscope (s-SNOM), as well as pump-probe spectroscopy on doped semiconductor superlattices. The pump-probe signal reflects, apart from a component due to the bleaching of the interminiband transition, the temperature of the miniband electrons on a picosecond timescale.

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Document information

Title :

FELBE Free-Electron Laser: Status and Application for Time Resolved Spectroscopy Experiments

Contributors:

Winnerl, S. (author) / Stehr, D. (author) / Drachenko, O. (author) / Schneider, H. (author) / Helm, M. (author) / Seidel, W. (author) / Michel, P. (author) / Schneider, S. (author) / Seidel, J. (author) / Grafstrom, S. (author)

Published in:

2006 Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics ; 159

Publication date :

2006-09-01

Size :

1329574 byte

ISBN :

1-4244-0400-2 , 1-4244-0399-5

DOI :

https://doi.org/10.1109/ICIMW.2006.368367

Type of media :

Conference paper