A new technique to study dielectric breakdown with picosecond laser pulses

H. R. Telle, A. Laubereau

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

With ultrashort light pulses at high intensity, a sharp increase of second harmonic generation is observed in various media presenting direct evidence for a large carrier concentration produced by dialectric breakdown. In water, signals up to 108 photons at the second harmonic frequency are measured and compared with model calculations, which suggest an electron density of ∼ 1020 cm-3. Breakdown is found to occur at power levels notably higher than inferred from the ocular observation of broad band luminescence.

Original languageEnglish
Pages (from-to)287-292
Number of pages6
JournalOptics Communications
Volume34
Issue number2
DOIs
StatePublished - 1980
Externally publishedYes

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