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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. 2, Iss. 7 — Jul. 16, 2007

Realization of receptive fields with excitatory and inhibitory responses on equilibrium-state luminescence of electron trapping material

Ramin Pashaie and Nabil H. Farhat  »View Author Affiliations


Optics Letters, Vol. 32, Issue 11, pp. 1501-1503 (2007)
http://dx.doi.org/10.1364/OL.32.001501


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Abstract

Our theoretical modelings and experimental observations illustrate that the equilibrium-state luminescence of electron-trapping materials (ETMs) can be controlled to produce either excitatory or inhibitory responses to the same optical stimulus. Because of this property, ETMs have a unique potential in optical realization of neurobiologically based parallel computations. As a classic example, we have controlled the equilibrium-state luminescence of a thin film of this stimulable storage phosphor to make it behave similarly to the receptive fields of sensory neurons in the mammalian visual system, which are responsible for early visual processing.

© 2007 Optical Society of America

OCIS Codes
(200.3050) Optics in computing : Information processing
(200.4560) Optics in computing : Optical data processing
(200.4700) Optics in computing : Optical neural systems

ToC Category:
Optical Computing

History
Original Manuscript: January 17, 2007
Revised Manuscript: March 8, 2007
Manuscript Accepted: March 20, 2007
Published: May 7, 2007

Virtual Issues
Vol. 2, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Ramin Pashaie and Nabil H. Farhat, "Realization of receptive fields with excitatory and inhibitory responses on equilibrium-state luminescence of electron trapping material," Opt. Lett. 32, 1501-1503 (2007)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-32-11-1501


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References

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  13. The ETM sample for this research was furnished by Quantex Inc., Rockville, Maryland.

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