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Ultrashort laser pulse duration dependent, free carrier absorption in thin gold films

  • H. S. Kwok*
  • , P. Mukherjee
  • , M. Sheik-Bahae
  • *Corresponding author for this work

Research output: Contribution to journalJournal Articlepeer-review

Abstract

Pulse duration dependent free carrier absorption was observed in a thin gold film deposited on BaF2. An electron-phonon scattering time of 13.5 ps was extracted from this measurement. A plausible explanation for this unusually long relaxation time is given by examining the details of the second-order quantum mechanical process.

Original languageEnglish
Pages (from-to)191-194
Number of pages4
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume122
Issue number3-4
DOIs
Publication statusPublished - 8 Jun 1987
Externally publishedYes

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