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Title: Two-photon absorption of soft X-ray free electron laser radiation by graphite near the carbon K-absorption edge

Here, we have examined the transmission of soft X-ray pulses from the FERMI free electron laser through carbon films of varying thickness, quantifying nonlinear effects of pulses above and below the carbon K-edge. At typical of soft X-ray free electron laser intensities, pulses exhibit linear absorption at photon energies above and below the K-edge, ~308 and ~260 eV, respectively; whereas two-photon absorption becomes significant slightly below the K-edge, ~284.2 eV. The measured two-photon absorption cross section at 284.18 eV (~6 × 10 –48 cm 4 s) is 7 orders of magnitude above what is expected from a simple theory based on hydrogen-like atoms – a result of resonance effects.
Authors:
 [1] ;  [2] ;  [3] ;  [4] ;  [5] ;  [5] ;  [6] ;  [6] ;  [1] ;  [1] ;  [1] ;  [5] ;  [5] ;  [5] ;  [7] ;  [5] ;  [5] ;  [5] ;  [5] ;  [5] more »;  [5] ;  [5] ;  [8] ;  [4] ;  [9] ;  [10] ;  [11] ;  [3] ;  [3] ;  [12] ;  [5] ;  [4] ;  [1] ;  [13] « less
  1. Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  2. Univ. of California, Berkeley, CA (United States)
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  4. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  5. Elettra-Sincrotrone Trieste S.C.p.A., Trieste (Italy)
  6. Institute of Photonics and Nanotechnologies, Padova (Italy); Univ. of Padova, Padova (Italy)
  7. Elettra-Sincrotrone Trieste S.C.p.A., Trieste (Italy); Univ. of Nova Gorica, Nova Gorica (Slovenia)
  8. National Renewable Energy Lab. (NREL), Golden, CO (United States)
  9. Center for High Pressure Science & Technology Advanced Research, Shanghai (China)
  10. Elettra-Sincrotrone Trieste S.C.p.A., Trieste (Italy); Elettra Lab., Trieste (Italy)
  11. Institute of Photonics and Nanotechnologies, Padova (Italy)
  12. Elettra-Sincrotrone Trieste S.C.p.A., Trieste (Italy); ENEA, Frascati (Rome) (Italy)
  13. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
Publication Date:
Grant/Contract Number:
AC02-05CH11231; SC0004993; AC36-08-GO28308; AC02-76S00515; AC02-76SF00515; W911NF-13-1-0483; W911NF-17-1-0163; DGE 1106400
Type:
Accepted Manuscript
Journal Name:
Chemical Physics Letters
Additional Journal Information:
Journal Volume: 703; Journal Issue: C; Journal ID: ISSN 0009-2614
Publisher:
Elsevier
Research Org:
SLAC National Accelerator Lab., Menlo Park, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Chemical Sciences, Geosciences & Biosciences Division
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
OSTI Identifier:
1469091
Alternate Identifier(s):
OSTI ID: 1477330

Lam, Royce K., Raj, Sumana L., Pascal, Tod A., Pemmaraju, C. D., Foglia, Laura, Simoncig, Alberto, Fabris, Nicola, Miotti, Paolo, Hull, Christopher J., Rizzuto, Anthony M., Smith, Jacob W., Mincigrucci, Riccardo, Masciovecchio, Claudio, Gessini, Alessandro, De Ninno, Giovanni, Diviacco, Bruno, Roussel, Eleonore, Spampinati, Simone, Penco, Giuseppe, Di Mitri, Simone, Trovò, Mauro, Danailov, Miltcho B., Christensen, Steven T., Sokaras, Dimosthenis, Weng, Tsu -Chien, Coreno, Marcello, Poletto, Luca, Drisdell, Walter S., Prendergast, David, Giannessi, Luca, Principi, Emiliano, Nordlund, Dennis, Saykally, Richard J., and Schwartz, Craig P.. Two-photon absorption of soft X-ray free electron laser radiation by graphite near the carbon K-absorption edge. United States: N. p., Web. doi:10.1016/j.cplett.2018.05.021.
Lam, Royce K., Raj, Sumana L., Pascal, Tod A., Pemmaraju, C. D., Foglia, Laura, Simoncig, Alberto, Fabris, Nicola, Miotti, Paolo, Hull, Christopher J., Rizzuto, Anthony M., Smith, Jacob W., Mincigrucci, Riccardo, Masciovecchio, Claudio, Gessini, Alessandro, De Ninno, Giovanni, Diviacco, Bruno, Roussel, Eleonore, Spampinati, Simone, Penco, Giuseppe, Di Mitri, Simone, Trovò, Mauro, Danailov, Miltcho B., Christensen, Steven T., Sokaras, Dimosthenis, Weng, Tsu -Chien, Coreno, Marcello, Poletto, Luca, Drisdell, Walter S., Prendergast, David, Giannessi, Luca, Principi, Emiliano, Nordlund, Dennis, Saykally, Richard J., & Schwartz, Craig P.. Two-photon absorption of soft X-ray free electron laser radiation by graphite near the carbon K-absorption edge. United States. doi:10.1016/j.cplett.2018.05.021.
Lam, Royce K., Raj, Sumana L., Pascal, Tod A., Pemmaraju, C. D., Foglia, Laura, Simoncig, Alberto, Fabris, Nicola, Miotti, Paolo, Hull, Christopher J., Rizzuto, Anthony M., Smith, Jacob W., Mincigrucci, Riccardo, Masciovecchio, Claudio, Gessini, Alessandro, De Ninno, Giovanni, Diviacco, Bruno, Roussel, Eleonore, Spampinati, Simone, Penco, Giuseppe, Di Mitri, Simone, Trovò, Mauro, Danailov, Miltcho B., Christensen, Steven T., Sokaras, Dimosthenis, Weng, Tsu -Chien, Coreno, Marcello, Poletto, Luca, Drisdell, Walter S., Prendergast, David, Giannessi, Luca, Principi, Emiliano, Nordlund, Dennis, Saykally, Richard J., and Schwartz, Craig P.. 2018. "Two-photon absorption of soft X-ray free electron laser radiation by graphite near the carbon K-absorption edge". United States. doi:10.1016/j.cplett.2018.05.021.
@article{osti_1469091,
title = {Two-photon absorption of soft X-ray free electron laser radiation by graphite near the carbon K-absorption edge},
author = {Lam, Royce K. and Raj, Sumana L. and Pascal, Tod A. and Pemmaraju, C. D. and Foglia, Laura and Simoncig, Alberto and Fabris, Nicola and Miotti, Paolo and Hull, Christopher J. and Rizzuto, Anthony M. and Smith, Jacob W. and Mincigrucci, Riccardo and Masciovecchio, Claudio and Gessini, Alessandro and De Ninno, Giovanni and Diviacco, Bruno and Roussel, Eleonore and Spampinati, Simone and Penco, Giuseppe and Di Mitri, Simone and Trovò, Mauro and Danailov, Miltcho B. and Christensen, Steven T. and Sokaras, Dimosthenis and Weng, Tsu -Chien and Coreno, Marcello and Poletto, Luca and Drisdell, Walter S. and Prendergast, David and Giannessi, Luca and Principi, Emiliano and Nordlund, Dennis and Saykally, Richard J. and Schwartz, Craig P.},
abstractNote = {Here, we have examined the transmission of soft X-ray pulses from the FERMI free electron laser through carbon films of varying thickness, quantifying nonlinear effects of pulses above and below the carbon K-edge. At typical of soft X-ray free electron laser intensities, pulses exhibit linear absorption at photon energies above and below the K-edge, ~308 and ~260 eV, respectively; whereas two-photon absorption becomes significant slightly below the K-edge, ~284.2 eV. The measured two-photon absorption cross section at 284.18 eV (~6 × 10–48 cm4 s) is 7 orders of magnitude above what is expected from a simple theory based on hydrogen-like atoms – a result of resonance effects.},
doi = {10.1016/j.cplett.2018.05.021},
journal = {Chemical Physics Letters},
number = C,
volume = 703,
place = {United States},
year = {2018},
month = {5}
}