Determination of the thermal expansion and thermo-optic coefficients of a bacteriorhodopsin film

Q. Wang Song, Chunping Zhang, Chin Yu Ku, Ming Chieh Huang, Richard B. Gross, Robert R. Birge

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

The linear expansion and thermo-optic coefficients of a bacteriorhodopsin film were measured by using an interferometric method. The experimental results confirm the previous suspicions that the large refractive nonlinearity which occurs at high illumination intensities arises form a thermal effect. The results also suggest a possible way to increase the usable thermal nonlinearity by four times.

Original languageEnglish (US)
Pages (from-to)471-474
Number of pages4
JournalOptics Communications
Volume115
Issue number5-6
DOIs
StatePublished - Apr 1 1995

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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