Abstract

Elemental sensitivity in soft x-ray imaging of thin foils with known thickness is observed using an ultrafast laser-plasma source and a LiF crystal as detector. Measurements are well reproduced by a simple theoretical model. This technique can be exploited for high spatial resolution, wide field of view imaging in the soft x-ray region, and it is suitable for the characterization of thin objects with thicknesses ranging from hundreds down to tens of nanometers.

© 2007 Optical Society of America

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References

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  1. G. Baldacchini, S. Bollanti, F. Bonfigli, F. Flora, P. Di Lazzaro, A. Lai, T. Marolo, R. M. Montreali, D. Murra, A. Faenov, T. Pikuz, E. Nichelatti, G. Tomassetti, A. Reale, L. Reale, A. Ritucci, T. Limongi, L. Palladino, M. Francucci, and G. Petrocelli, Rev. Sci. Instrum. 76, 113104 (2005).
    [CrossRef]
  2. A. Ustione, A. Cricenti, F. Bonfigli, F. Flora, A. Lai, T. Marolo, R. M. Montreali, G. Baldacchini, A. Faenov, T. Pikuz, and L. Reale, Appl. Phys. Lett. 88, 141107 (2006).
    [CrossRef]
  3. S. Almaviva, F. Bonfigli, I. Franzini, A. Lai, R. M. Montreali, D. Pelliccia, A. Cedola, and S. Lagomarsino, Appl. Phys. Lett. 89, 054102 (2006).
    [CrossRef]
  4. F. Calegari, S. Stagira, C. D'Andrea, G. Valentini, C. Vozzi, M. Nisoli, S. De Silvestri, L. Poletto, P. Villoresi, A. Faenov, and T. Pikuz, Appl. Phys. Lett. 89, 111122 (2006).
    [CrossRef]
  5. J. Nahum and D. A. Wiegand, Phys. Rev. 154, 817 (1967).
    [CrossRef]
  6. Transmission data were obtained from "CXRO-LBNL," http://www-cxro.lbl.gov/.

2006 (3)

A. Ustione, A. Cricenti, F. Bonfigli, F. Flora, A. Lai, T. Marolo, R. M. Montreali, G. Baldacchini, A. Faenov, T. Pikuz, and L. Reale, Appl. Phys. Lett. 88, 141107 (2006).
[CrossRef]

S. Almaviva, F. Bonfigli, I. Franzini, A. Lai, R. M. Montreali, D. Pelliccia, A. Cedola, and S. Lagomarsino, Appl. Phys. Lett. 89, 054102 (2006).
[CrossRef]

F. Calegari, S. Stagira, C. D'Andrea, G. Valentini, C. Vozzi, M. Nisoli, S. De Silvestri, L. Poletto, P. Villoresi, A. Faenov, and T. Pikuz, Appl. Phys. Lett. 89, 111122 (2006).
[CrossRef]

2005 (1)

G. Baldacchini, S. Bollanti, F. Bonfigli, F. Flora, P. Di Lazzaro, A. Lai, T. Marolo, R. M. Montreali, D. Murra, A. Faenov, T. Pikuz, E. Nichelatti, G. Tomassetti, A. Reale, L. Reale, A. Ritucci, T. Limongi, L. Palladino, M. Francucci, and G. Petrocelli, Rev. Sci. Instrum. 76, 113104 (2005).
[CrossRef]

1967 (1)

J. Nahum and D. A. Wiegand, Phys. Rev. 154, 817 (1967).
[CrossRef]

Appl. Phys. Lett. (3)

A. Ustione, A. Cricenti, F. Bonfigli, F. Flora, A. Lai, T. Marolo, R. M. Montreali, G. Baldacchini, A. Faenov, T. Pikuz, and L. Reale, Appl. Phys. Lett. 88, 141107 (2006).
[CrossRef]

S. Almaviva, F. Bonfigli, I. Franzini, A. Lai, R. M. Montreali, D. Pelliccia, A. Cedola, and S. Lagomarsino, Appl. Phys. Lett. 89, 054102 (2006).
[CrossRef]

F. Calegari, S. Stagira, C. D'Andrea, G. Valentini, C. Vozzi, M. Nisoli, S. De Silvestri, L. Poletto, P. Villoresi, A. Faenov, and T. Pikuz, Appl. Phys. Lett. 89, 111122 (2006).
[CrossRef]

Phys. Rev. (1)

J. Nahum and D. A. Wiegand, Phys. Rev. 154, 817 (1967).
[CrossRef]

Rev. Sci. Instrum. (1)

G. Baldacchini, S. Bollanti, F. Bonfigli, F. Flora, P. Di Lazzaro, A. Lai, T. Marolo, R. M. Montreali, D. Murra, A. Faenov, T. Pikuz, E. Nichelatti, G. Tomassetti, A. Reale, L. Reale, A. Ritucci, T. Limongi, L. Palladino, M. Francucci, and G. Petrocelli, Rev. Sci. Instrum. 76, 113104 (2005).
[CrossRef]

Other (1)

Transmission data were obtained from "CXRO-LBNL," http://www-cxro.lbl.gov/.

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Figures (3)

Fig. 1
Fig. 1

Normalized fluorescence intensity of an LiF plate exposed to variable soft x-ray dose; the dashed–dotted line is a guide to the eye. The image intensity has been measured along the white dashed section shown in the inset.

Fig. 2
Fig. 2

Fluorescence image of the four quadrant sample; quadrant composition is indicated in the corners. Intensity profiles along sections (a) and (b) are reported in Fig. 3.

Fig. 3
Fig. 3

Black lines: intensity profiles along sections (a) and (b) indicated in Fig. 2 as white dashed lines. Red lines: intensity calculated according to the theoretical model exposed in the text.

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