Nanosecond laser-induced transient and permanent gratings and ultrasonic waves in a smectic film

I. C. Khoo, R. Normandin

Research output: Contribution to journalArticle

21 Scopus citations


Using nanosecond laser pulses, we have observed for the first time optically induced transient and (erasable) permanent gratings in a smectic-A film. The transient grating is accompanied by strong high frequency acoustic waves.

Original languageEnglish (US)
Pages (from-to)1416-1418
Number of pages3
JournalJournal of Applied Physics
Issue number5
StatePublished - Dec 1 1984


All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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