Laser-induced grating spectroscopy of high-Tc superconductors

B. Fainberg, D. Huppert

Research output: Contribution to journalArticlepeer-review


We propose a new spectroscopical method for the investigation of ultrafast phenomena in metallic and high-Tc superconductors by using tunable laser beams, without requiring femtosecond laser pulses. The method is based on the self-diffraction of a laser beam from a laser-induced moving grating. The theory of the method has been developed in detail for the case of electron-phonon (EP) interaction. Our theoretical predictions are in good agreement with a recent experiment. Using experimental data we estimated the value of the EP coupling constant for the YBa2Cu3O7 film.

Original languageEnglish
Pages (from-to)95-98
Number of pages4
JournalPhysica C: Superconductivity and its Applications
Issue number1-3
StatePublished - 20 Apr 1993


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