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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 14 — May. 10, 2005
  • pp: 2745–2753

Directional and angle-resolved optical scattering of high-performance translucent polymer sheets for energy-efficient lighting and skylights

Jacob C. Jonsson, Geoffrey B. Smith, Christine Deller, and Arne Roos  »View Author Affiliations


Applied Optics, Vol. 44, Issue 14, pp. 2745-2753 (2005)
http://dx.doi.org/10.1364/AO.44.002745


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Abstract

Transparent refractive-index matched micro (TRIMM) particles have proved to be an excellent scattering component for use in translucent sheets. Measurements of hemispheric transmittance and reflectance versus angle of incidence, as well as angle-resolved studies of such translucent sheets, have been carried out to complement earlier published hemispheric reflectance and transmittance spectral measurements carried out at normal angle of incidence. Hemispheric values relative to angle of incidence are of interest for daylighting applications and building simulations, and angle-resolved measurements are vital for verifying that our modeling tools are reliable. Ray-tracing simulations based on Mie scattering for the individual TRIMM particles and angle-resolved measurements are in good agreement, indicating that the simulation method used is practical for the design of new scattering profiles by varying particle concentration or refractive index.

© 2005 Optical Society of America

OCIS Codes
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(160.4760) Materials : Optical properties
(160.5470) Materials : Polymers
(290.4020) Scattering : Mie theory
(290.4210) Scattering : Multiple scattering
(290.5850) Scattering : Scattering, particles

History
Original Manuscript: March 10, 2004
Revised Manuscript: November 25, 2004
Manuscript Accepted: December 9, 2004
Published: May 10, 2005

Citation
Jacob C. Jonsson, Geoffrey B. Smith, Christine Deller, and Arne Roos, "Directional and angle-resolved optical scattering of high-performance translucent polymer sheets for energy-efficient lighting and skylights," Appl. Opt. 44, 2745-2753 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-14-2745


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References

  1. G. B. Smith, J. C. Jonsson, J. Franklin, “Spectral and global diffuse properties of high-performance translucent polymer sheets for energy efficient lighting and skylights,” Appl. Opt. 42, 3981–3991 (2003). [CrossRef] [PubMed]
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  8. G. B. Smith, D. C. Green, G. McCredie, M. Hossain, P. D. Swift, M. Luther, “Optical characterisation of materials and systems for daylighting,” Renew. Energy 22, 85–90 (2001). [CrossRef]
  9. J. C. Jonsson, G. B. Smith, G. A. Niklasson, “Experimental and Monte Carlo analysis of isotropic multiple Mie scattering,” Opt. Commun. 240, 9–17 (2004). [CrossRef]

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