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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 4, Iss. 12 — Nov. 10, 2009

All-optical time-delay switch based on grating buildup time of two-wave mixing in a bacteriorhodopsin film

Guiying Chen, Wenqiang Lu, Xuxu Xu, Jianguo Tian, and Chunping Zhang  »View Author Affiliations


Applied Optics, Vol. 48, Issue 28, pp. 5205-5211 (2009)
http://dx.doi.org/10.1364/AO.48.005205


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Abstract

We demonstrate time-delay switches using the first-order dynamic diffraction light of two-beam coupled light with wavelengths of 632.8, 650, 532, and 488 nm in a bacteriorhodopsin film. The optimal wavelengths are selected and the relationship between incident intensity and delay time is discussed. A switch delay time ranging from 3.52 to 12.5 s is presented by the 632.8 nm wavelength , while a delay time ranging from 1.24 to 10.6 s is demonstrated by the 488 nm wavelength . On the other hand, the wavelengths of 532 and 650 nm are not suitable for time-delay switches due to the large variation of first-order diffraction intensity for lower incident intensities.

© 2009 Optical Society of America

OCIS Codes
(090.1970) Holography : Diffractive optics
(230.1150) Optical devices : All-optical devices
(200.6715) Optics in computing : Switching

ToC Category:
Optical Devices

History
Original Manuscript: March 5, 2009
Revised Manuscript: June 30, 2009
Manuscript Accepted: August 28, 2009
Published: September 21, 2009

Virtual Issues
Vol. 4, Iss. 12 Virtual Journal for Biomedical Optics

Citation
Guiying Chen, Wenqiang Lu, Xuxu Xu, Jianguo Tian, and Chunping Zhang, "All-optical time-delay switch based on grating buildup time of two-wave mixing in a bacteriorhodopsin film," Appl. Opt. 48, 5205-5211 (2009)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-48-28-5205

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