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Proceedings Article

Vision and the single photon (Invited Paper)

[+] Author Affiliations
Vasudevan Lakshminarayanan

Univ. of Missouri/St. Louis (USA)

Proc. SPIE 5866, The Nature of Light: What Is a Photon?, 332 (August 04, 2005); doi:10.1117/12.613055
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From Conference Volume 5866

  • The Nature of Light: What Is a Photon?
  • Chandrasekhar Roychoudhuri; Katherine Creath
  • San Diego, California, United States | July 31, 2005

abstract

The human visual system has an amazing sensitivity-even a single photon catch can trigger the release of a signal in a rod photoreceptor cell under certain circumstances. However, behaviorally it requires on an average 5-8 photons for a human to "see" a flash of light. This discrepancy is due to the intrinsic "dark noise" in the visual system. Various aspects of human visual sensitivity to single photons are reviewed and discussed.

© (2005) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Vasudevan Lakshminarayanan
"Vision and the single photon (Invited Paper)", Proc. SPIE 5866, The Nature of Light: What Is a Photon?, 332 (August 04, 2005); doi:10.1117/12.613055; http://dx.doi.org/10.1117/12.613055


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