The influence of the velocity and the size of an object on the quality of an optical novelty filter designed using a bacteriorhodopsin film

Guang Yang, Guiying Chen, Xing Liang, Chunping Zhang, Jianguo Tian, Chengmei Zhao, Q. Wang Song

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

When the parameters of a bacteriorhodopsin (bR) film are fixed, the quality of the output image of an optical novelty filter depends on the velocity and the size of the image of the object on the bR film. The contrast of the output image changes with the velocity and the size. When the velocity is small, it tends to saturation. The detectable minimum velocity increases with increasing size of the input image and increasing lifetime of the M state and it tends to a fixed value when the lifetime of the M state is longer than 25 s. We discuss the relation between the velocity and the gradient Ig and the contrast Ic. The optimizing ranges of the velocity are given for different sizes. We also discuss the relation between the size and the gradient Ig and contrast Ic. We make a suggestion about which kind of bR film is suitable for use in the novelty filter.

Original languageEnglish (US)
Pages (from-to)1177-1185
Number of pages9
JournalJournal of Modern Optics
Volume53
Issue number8
DOIs
StatePublished - May 20 2006

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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