Optical limiting by chemically enhanced bacteriorhodopsin films

Q. Wang Song, Chungping Zhang, Richard Gross, Robert Birge

Research output: Contribution to journalArticlepeer-review

83 Scopus citations


The optical limiting properties of a thin film (˜150 μm) of chemically enhanced bacteriorhodopsin under cw laser illumination is investigated. The effective nonlinearity n2 of the film is measured with the z-scan method. Anomalous absorption at different wavelengths as a function of illumination intensity is observed.

Original languageEnglish (US)
Pages (from-to)775-777
Number of pages3
JournalOptics Letters
Issue number10
StatePublished - May 15 1993

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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