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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 21 — Oct. 17, 2007
  • pp: 14194–14201

Effectiveness of recycling light in ultra-bright short-arc discharge lamps

Asher Malul, Doron Nakar, Daniel Feuermann, and Jeffrey M. Gordon  »View Author Affiliations

Optics Express, Vol. 15, Issue 21, pp. 14194-14201 (2007)

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Recycling light back into a plasma lamp’s radiant zone can enhance its radiance. Measurements are reported for the effectiveness, spectral properties and modified plasma radiance maps that result from light recycling with a specular hemispherical mirror in commercial 150 W ultra-bright Xenon short-arc discharge lamps, motivated by projection, biomedical and high-temperature furnace applications. For certain spectral windows and plasma arc regions, radiance can be heightened by up to 70%. However, the overall light recycling efficiency is reduced to about half this value due to lamp geometry. The manner in which light-plasma interactions affect light recycling efficacy is also elucidated.

© 2007 Optical Society of America

OCIS Codes
(120.5630) Instrumentation, measurement, and metrology : Radiometry
(230.6080) Optical devices : Sources
(350.5400) Other areas of optics : Plasmas

ToC Category:
Optical Devices

Original Manuscript: August 1, 2007
Revised Manuscript: September 10, 2007
Manuscript Accepted: September 11, 2007
Published: October 12, 2007

Virtual Issues
Vol. 2, Iss. 11 Virtual Journal for Biomedical Optics

Asher Malul, Doron Nakar, Daniel Feuermann, and Jeffrey M. Gordon, "Effectiveness of recycling light in ultra-bright short-arc discharge lamps," Opt. Express 15, 14194-14201 (2007)

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  1. G. Derra, H. Moench, E. Fischer, H. Giese, U. Hechtfischer, G. Heusler, A. Koerber, U. Niemann, F.C. Noertemann, P. Pekarski, J. Pollmann-Retsch, A. Ritz and U. Weichmann, "UHP lamp systems for projection applications," J. Phys. D: Appl. Phys. 38, 2995-3010 (2005). [CrossRef]
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