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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 1 — Feb. 4, 2013

Optimization of solid-state lamps for photobiologically friendly mesopic lighting

Artūras Žukauskas, Rimantas Vaicekauskas, and Pranciškus Vitta  »View Author Affiliations


Applied Optics, Vol. 51, Issue 35, pp. 8423-8432 (2012)
http://dx.doi.org/10.1364/AO.51.008423


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Abstract

The circadian and visual-performance-based mesopic systems of photometry were applied for the optimization of the spectral power distributions (SPDs) of the solid-state sources of light for low-illuminance lighting applications. At mesopic adaptation luminances typical of outdoor lighting (0.12cd/m2), the optimal SPDs were obtained through the minimization of the mesopic circadian action factor, which is the ratio of the circadian efficacy of radiation to mesopic luminous efficacy of radiation. For correlated color temperatures below 3000K, the optimized dichromatic light-emitting diodes (LEDs) are shown to pose a lower circadian hazard than high-pressure sodium lamps and common warm white LEDs; also they are potentially more efficacious and have acceptable color rendition properties under mesopic conditions.

© 2012 Optical Society of America

OCIS Codes
(230.3670) Optical devices : Light-emitting diodes
(330.5380) Vision, color, and visual optics : Physiology
(350.4600) Other areas of optics : Optical engineering
(220.2945) Optical design and fabrication : Illumination design

ToC Category:
Optical Devices

History
Original Manuscript: September 14, 2012
Revised Manuscript: November 4, 2012
Manuscript Accepted: November 5, 2012
Published: December 7, 2012

Virtual Issues
Vol. 8, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Artūras Žukauskas, Rimantas Vaicekauskas, and Pranciškus Vitta, "Optimization of solid-state lamps for photobiologically friendly mesopic lighting," Appl. Opt. 51, 8423-8432 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-51-35-8423

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