Chemically enhanced bacteriorhodopsin thin-film spatial light modulator

Q. Wang Song, Chungping Zhang, Robert Blumer, Richard B. Gross, Zhongping Chen, Robert R. Birge

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Abstract

An optically addressed spatial light modulator based on a thin film of chemically enhanced bacteriorhodopsin is demonstrated. Incoherent-to-coherent light conversion is achieved by exploitation of both the large shift in absorption maxima accompanying the bR → M phototransformation and the extended M-intermediate lifetime resulting from the chemical enhancement of the protein at high pH. The device exhibits a linear dynamic range of 120:1 at 514 nm and a resolution of -100 line pairs/mm.

Original languageEnglish (US)
Pages (from-to)1373-1375
Number of pages3
JournalOptics Letters
Volume18
Issue number16
DOIs
StatePublished - Aug 1993

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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    Song, Q. W., Zhang, C., Blumer, R., Gross, R. B., Chen, Z., & Birge, R. R. (1993). Chemically enhanced bacteriorhodopsin thin-film spatial light modulator. Optics Letters, 18(16), 1373-1375. https://doi.org/10.1364/OL.18.001373