OSA's Digital Library

Applied Optics

Applied Optics


  • Vol. 22, Iss. 4 — Feb. 15, 1983
  • pp: 578–582

Concentrated and piped sunlight for indoor illumination

L. M. Fraas, W. R. Pyle, and P. R. Ryason  »View Author Affiliations

Applied Optics, Vol. 22, Issue 4, pp. 578-582 (1983)

View Full Text Article

Enhanced HTML    Acrobat PDF (604 KB)

Browse Journals / Lookup Meetings

Browse by Journal and Year


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools



A concept for indoor illumination of buildings using sunlight is described. For this system, a tracking concentrator on the building roof follows the sun and focuses sunlight into a lightguide. A system of transparent lightguides distributes the sunlight to interior rooms. Recent advances in the transparency of acrylic plastic optical fibers suggest that acrylic lightguides could be successfully used for piping sunlight. The proposed system displaces electricity currently used for indoor lighting. It is argued that using sunlight directly for indoor illumination would be about twenty-five times more cost-effective than using sunlight to generate electricity with solar cells for powering electric lamps for indoor lighting.

© 1983 Optical Society of America

Original Manuscript: September 17, 1982
Published: February 15, 1983

L. M. Fraas, W. R. Pyle, and P. R. Ryason, "Concentrated and piped sunlight for indoor illumination," Appl. Opt. 22, 578-582 (1983)

Sort:  Author  |  Year  |  Journal  |  Reset  


  1. M. A. Duguay, R. M. Edgar, Appl. Opt. 16, 1444 (1977). [CrossRef] [PubMed]
  2. M. A. Duguay, Solar Electricity: The Hybrid System Approach, Am. Sci. 65, 422 (July-August1979).
  3. J. Parker, Now We Have Solar Illumination, Mech. Illus. 27, (November1977).
  4. S. Selkowitz, Effective Daylighting in Buildings (Parts 1 and 2), Light. Des. Appl. 9, 6–8, 10–11, 61 (Feb. Mar.1979).
  5. J. N. Ott, Health and Light (Simon & Schuster, New York, 1976.
  6. R. J. Wurtman, The Effects of Light on the Human Body, Sci. Am. 233, 68 (1975). [CrossRef]
  7. L. Thorington, L. Parascandola, L. Cunningham, Visual and Biologic Aspects of an Artificial Sunlight Illuminant, J. Illum. Eng. Soc., 67: 33–41, 1977.
  8. R. O. Hughes, Sol. Energy 24, 83 (1980). [CrossRef]
  9. N. F. Shepard, T. S. Chan, Fifteenth IEEE Photovolatic Special Conf., p 336 (1981).
  10. E. C. Boes, Photovoltaic Systems Definition Project 1977 Annual Report, SAND 78-0942, p. 57.
  11. S. E. Miller et al., Proc. IEEE 61, 1703 (1973). [CrossRef]
  12. D. Kato, T. Nakamura, J. Appl. Phys. 47, 4528 (1976). [CrossRef]
  13. T. Kaino, M. Fujika, S. Oikawa, S. Nara, Appl. Opt. 20, 2886 (1981). [CrossRef] [PubMed]
  14. T. Kaino, M. Fujii, S. Nara, Low Loss Polystyrene Core Optical Fibers, J. Appl. Phys. 52, 7061 (1981). [CrossRef]
  15. R. B. Bird, W. E. Stewart, E. N. Lightfoot, Transport Phenomena (Wiley, New York, 1960), pp. 267–271.
  16. L. A. Whitehead, R. A. Nodwell, F. L. Curzon, Appl. Opt. 21, 2755 (1982). [CrossRef] [PubMed]

Cited By

Alert me when this paper is cited

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.


Fig. 1 Fig. 2 Fig. 3
Fig. 4 Fig. 5

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited