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Proceedings Paper

X-ray laser-induced ablation of lead compounds
Author(s): V. Hájková; L. Juha; P. Boháček; T. Burian; J. Chalupský; L. Vyšín; J. Gaudin; P. A. Heimann; S. P. Hau-Riege; M. Jurek; D. Klinger; J. Pelka; R. Sobierajski; J. Krzywinski; M. Messerschmidt; S. P. Moeller; B. Nagler; M. Rowen; W. F. Schlotter; M. L. Swiggers; J. J. Turner; S. M. Vinko; T. Whitcher; J. Wark; M. Matuchová; S. Bajt; H. Chapman; T. Dzelzainis; D. Riley; J. Andreasson; J. Hajdu; B. Iwan; N. Timneanu; K. Saksl; R. Fäustlin; A. Singer; K. Tiedtke; S. Toleikis; I. Vartaniants; H. Wabnitz
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Paper Abstract

The recent commissioning of a X-ray free-electron laser triggered an extensive research in the area of X-ray ablation of high-Z, high-density materials. Such compounds should be used to shorten an effective attenuation length for obtaining clean ablation imprints required for the focused beam analysis. Compounds of lead (Z=82) represent the materials of first choice. In this contribution, single-shot ablation thresholds are reported for PbWO4 and PbI2 exposed to ultra-short pulses of extreme ultraviolet radiation and X-rays at FLASH and LCLS facilities, respectively. Interestingly, the threshold reaches only 0.11 mJ/cm2 at 1.55 nm in lead tungstate although a value of 0.4 J/cm2 is expected according to the wavelength dependence of an attenuation length and the threshold value determined in the XUV spectral region, i.e., 79 mJ/cm2 at a FEL wavelength of 13.5 nm. Mechanisms of ablation processes are discussed to explain this discrepancy. Lead iodide shows at 1.55 nm significantly lower ablation threshold than tungstate although an attenuation length of the radiation is in both materials quite the same. Lower thermal and radiation stability of PbI2 is responsible for this finding.

Paper Details

Date Published: 18 May 2011
PDF: 7 pages
Proc. SPIE 8077, Damage to VUV, EUV, and X-ray Optics III, 807718 (18 May 2011); doi: 10.1117/12.890134
Show Author Affiliations
V. Hájková, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
L. Juha, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
P. Boháček, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
T. Burian, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
J. Chalupský, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
L. Vyšín, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
J. Gaudin, European XFEL GmbH (Germany)
P. A. Heimann, Lawrence Berkeley National Lab. (United States)
S. P. Hau-Riege, Lawrence Livermore National Lab. (United States)
M. Jurek, Institute of Physics (Poland)
D. Klinger, Institute of Physics (Poland)
J. Pelka, Institute of Physics (Poland)
R. Sobierajski, Institute of Physics (Poland)
J. Krzywinski, SLAC National Accelerator Lab. (United States)
M. Messerschmidt, SLAC National Accelerator Lab. (United States)
S. P. Moeller, SLAC National Accelerator Lab. (United States)
B. Nagler, SLAC National Accelerator Lab. (United States)
M. Rowen, SLAC National Accelerator Lab. (United States)
W. F. Schlotter, SLAC National Accelerator Lab. (United States)
M. L. Swiggers, SLAC National Accelerator Lab. (United States)
J. J. Turner, SLAC National Accelerator Lab. (United States)
S. M. Vinko, Univ. of Oxford (United Kingdom)
T. Whitcher, Univ. of Oxford (United Kingdom)
J. Wark, Univ. of Oxford (United Kingdom)
M. Matuchová, Narodni Technicka Knihovna (Czech Republic)
S. Bajt, Deutsches Elektronen-Synchrotron (Germany)
H. Chapman, Deutsches Elektronen-Synchrotron (Germany)
T. Dzelzainis, Queen's Univ. Belfast (United Kingdom)
D. Riley, Queen's Univ. Belfast (United Kingdom)
J. Andreasson, Uppsala Univ. (Sweden)
J. Hajdu, Uppsala Univ. (Sweden)
B. Iwan, Uppsala Univ. (Sweden)
N. Timneanu, Uppsala Univ. (Sweden)
K. Saksl, Institute of Materials Research (Slovakia)
R. Fäustlin, Deutsches Elektronen-Synchrotron (Germany)
A. Singer, Deutsches Elektronen-Synchrotron (Germany)
K. Tiedtke, Deutsches Elektronen-Synchrotron (Germany)
S. Toleikis, Deutsches Elektronen-Synchrotron (Germany)
I. Vartaniants, Deutsches Elektronen-Synchrotron (Germany)
H. Wabnitz, Deutsches Elektronen-Synchrotron (Germany)


Published in SPIE Proceedings Vol. 8077:
Damage to VUV, EUV, and X-ray Optics III
Libor Juha; Saša Bajt; Richard A. London, Editor(s)

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