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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 51, Iss. 12 — Apr. 20, 2012
  • pp: 2051–2056

Microoptics for efficient redirection of sunlight

Stephan Klammt, Andreas Neyer, and Helmut F.O. Müller  »View Author Affiliations


Applied Optics, Vol. 51, Issue 12, pp. 2051-2056 (2012)
http://dx.doi.org/10.1364/AO.51.002051


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Abstract

Ray-tracing calculations are employed to identify basic design rules for the configuration of microstructured daylighting systems. The results show the advantage of combinations of lenslike geometries in comparison to conventional microprism arrays regarding the overall light redirection efficiency as well as the producibility and cost efficiency. Measurements at silicone prototypes and large scale industrially produced acrylic panels confirmed the simulation results. Optimization leads to free-form geometries which can further be improved by selective roughening of specific microsurfaces.

© 2012 Optical Society of America

OCIS Codes
(220.2740) Optical design and fabrication : Geometric optical design
(220.4000) Optical design and fabrication : Microstructure fabrication
(350.3950) Other areas of optics : Micro-optics
(220.2945) Optical design and fabrication : Illumination design

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: January 23, 2012
Manuscript Accepted: February 28, 2012
Published: April 18, 2012

Citation
Stephan Klammt, Andreas Neyer, and Helmut F.O. Müller, "Microoptics for efficient redirection of sunlight," Appl. Opt. 51, 2051-2056 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-12-2051


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References

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