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Title: Conductors, semiconductors, and insulators irradiated with short-wavelength free-electron laser

Abstract

The results of a study of irreversible changes induced at surfaces of metals, semiconductors, and insulators by extreme ultraviolet ({lambda}<100 nm) ultrashort pulses provided by TESLA Test Facility Free-Electron Laser, Phase 1 (TTF1 FEL) are reported and discussed. The laser was tuned at 86, 89, and 98 nm during the experiments reported here. Energy spectra of ions ejected from the irradiated surfaces are also reported. Special attention is paid to the difference in the ablation behavior of (semi)conductors and insulators that we have observed. The difference is dramatic, while the absorption coefficients are similar for all materials at the TTF1 FEL wavelength.

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ; ; ;  [1];  [2];  [2];  [3];  [2] more »;  [4] « less
  1. Institute of Physics, Polish Academy of Sciences, Al. Lotnikow 32/46, PL-02-668 Warsaw (Poland)
  2. (Poland)
  3. (Czech Republic)
  4. (Germany)
Publication Date:
OSTI Identifier:
20982694
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Applied Physics; Journal Volume: 101; Journal Issue: 4; Other Information: DOI: 10.1063/1.2434989; (c) 2007 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ABLATION; ABSORPTION; ENERGY SPECTRA; EXTREME ULTRAVIOLET RADIATION; FREE ELECTRON LASERS; IRRADIATION; PULSES; SEMICONDUCTOR MATERIALS; WAVELENGTHS

Citation Formats

Krzywinski, J., Sobierajski, R, Jurek, M., Nietubyc, R., Pelka, J. B., Juha, L., Bittner, M., Letal, V., Vorlicek, V., Andrejczuk, A., Feldhaus, J., Keitel, B., Saldin, E. L., Schneidmiller, E. A., Treusch, R., Yurkov, M. V., Soltan Institute for Nuclear Studies, PL-05-400 Swierk, Institute of Physics, Polish Academy of Sciences, Al. Lotnikow 32/46, PL-02-668 Warsaw, Institute of Physics, Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Institute of Experimental Physics, University of Bialystok, Lipowa 41, PL-15-424 Bialystok, and Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, D-22603 Hamburg. Conductors, semiconductors, and insulators irradiated with short-wavelength free-electron laser. United States: N. p., 2007. Web. doi:10.1063/1.2434989.
Krzywinski, J., Sobierajski, R, Jurek, M., Nietubyc, R., Pelka, J. B., Juha, L., Bittner, M., Letal, V., Vorlicek, V., Andrejczuk, A., Feldhaus, J., Keitel, B., Saldin, E. L., Schneidmiller, E. A., Treusch, R., Yurkov, M. V., Soltan Institute for Nuclear Studies, PL-05-400 Swierk, Institute of Physics, Polish Academy of Sciences, Al. Lotnikow 32/46, PL-02-668 Warsaw, Institute of Physics, Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Institute of Experimental Physics, University of Bialystok, Lipowa 41, PL-15-424 Bialystok, & Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, D-22603 Hamburg. Conductors, semiconductors, and insulators irradiated with short-wavelength free-electron laser. United States. doi:10.1063/1.2434989.
Krzywinski, J., Sobierajski, R, Jurek, M., Nietubyc, R., Pelka, J. B., Juha, L., Bittner, M., Letal, V., Vorlicek, V., Andrejczuk, A., Feldhaus, J., Keitel, B., Saldin, E. L., Schneidmiller, E. A., Treusch, R., Yurkov, M. V., Soltan Institute for Nuclear Studies, PL-05-400 Swierk, Institute of Physics, Polish Academy of Sciences, Al. Lotnikow 32/46, PL-02-668 Warsaw, Institute of Physics, Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Institute of Experimental Physics, University of Bialystok, Lipowa 41, PL-15-424 Bialystok, and Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, D-22603 Hamburg. Thu . "Conductors, semiconductors, and insulators irradiated with short-wavelength free-electron laser". United States. doi:10.1063/1.2434989.
@article{osti_20982694,
title = {Conductors, semiconductors, and insulators irradiated with short-wavelength free-electron laser},
author = {Krzywinski, J. and Sobierajski, R and Jurek, M. and Nietubyc, R. and Pelka, J. B. and Juha, L. and Bittner, M. and Letal, V. and Vorlicek, V. and Andrejczuk, A. and Feldhaus, J. and Keitel, B. and Saldin, E. L. and Schneidmiller, E. A. and Treusch, R. and Yurkov, M. V. and Soltan Institute for Nuclear Studies, PL-05-400 Swierk and Institute of Physics, Polish Academy of Sciences, Al. Lotnikow 32/46, PL-02-668 Warsaw and Institute of Physics, Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8 and Institute of Experimental Physics, University of Bialystok, Lipowa 41, PL-15-424 Bialystok and Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, D-22603 Hamburg},
abstractNote = {The results of a study of irreversible changes induced at surfaces of metals, semiconductors, and insulators by extreme ultraviolet ({lambda}<100 nm) ultrashort pulses provided by TESLA Test Facility Free-Electron Laser, Phase 1 (TTF1 FEL) are reported and discussed. The laser was tuned at 86, 89, and 98 nm during the experiments reported here. Energy spectra of ions ejected from the irradiated surfaces are also reported. Special attention is paid to the difference in the ablation behavior of (semi)conductors and insulators that we have observed. The difference is dramatic, while the absorption coefficients are similar for all materials at the TTF1 FEL wavelength.},
doi = {10.1063/1.2434989},
journal = {Journal of Applied Physics},
number = 4,
volume = 101,
place = {United States},
year = {Thu Feb 15 00:00:00 EST 2007},
month = {Thu Feb 15 00:00:00 EST 2007}
}
  • A new nonclassical model is proposed for the radiation from electrons skimming over and colliding at grazing incidence with a conducting diffraction grating. Radiation originating from induced surface currents and bremsstrahlung is amplified as it passes through spatially modulated wave functions above the grating. The predicted magnitude and dependence on electron beam thickness agree with experiments at visible wavelengths and suggest the possibility of a compact x-ray laser.
  • In this paper, the authors explore a different possibility of free electron laser (FEL) operation where layered dielectric with spatially periodic permittivity variation acts as a wiggler. Since the thickness of each dielectric layer could be chosen in the submillimeter range, the wavelength of electromagnetic radiation generated from a moderately relativistic electron beam could be even shorter. A serious issue would, of course, arise as how to propagate the electron beam through the dielectric. One may drill in channels through the layered dielectric or employ stripline configuration or use a partially dielectric loaded waveguide for this purpose.
  • Generation of short-wavelength radiation by a free-electron laser using up-frequency conversion of an electron bunch density modulation is currently an area of active research. We propose a new scheme for producing the longitudinal electron bunch density modulation similar to the recently proposed echo-enabled harmonic generation but based on an emittance exchange beam line and a multislit mask. Beam line analysis and start-to-end simulation are presented.
  • Generation of short-wavelength radiation by a free-electron laser using up-frequency conversion of an electron bunch density modulation is currently an area of active research. We propose a new scheme for producing the longitudinal electron bunch density modulation similar to the recently proposed echo-enabled harmonic generation but based on an emittance exchange beam line and a multislit mask. Beam line analysis and start-to-end simulation are presented.