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Optics Letters

Optics Letters


  • Vol. 5, Iss. 1 — Jan. 1, 1980
  • pp: 32–34

Practical concentrators attaining maximal concentration

E. Harting, D. R. Mills, and J. E. Giutronich  »View Author Affiliations

Optics Letters, Vol. 5, Issue 1, pp. 32-34 (1980)

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A new class of radiation concentrators is described that achieve maximal concentration of radiation from a uniform source. Unlike ideal concentrators, which accept all radiation within a given acceptance angle and none outside, the new maximal concentration collectors may reject some radiation from within the nominal acceptance angle. However, the new concentrators offer small mirror or refractor area, high practical concentration levels (unlike ideal designs, which must be truncated), and an adaptable concentration response versus radiation incident angle. The new concentrators are exceptionally well suited to solar-energy applications and should also prove useful for radiation detection or distribution.

© 1980 Optical Society of America

Original Manuscript: September 13, 1979
Published: January 1, 1980

E. Harting, D. R. Mills, and J. E. Giutronich, "Practical concentrators attaining maximal concentration," Opt. Lett. 5, 32-34 (1980)

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  1. R. Winston, H. Hinterberger, “Principles of cylindrical concentrators for solar energy”, Sol. Energy 17, 255–258 (1975). [CrossRef]
  2. R. Winston, “Ideal flux concentrators with reflector gaps”, Appl. Opt. 17, 1668–1689 (1978). [CrossRef] [PubMed]
  3. D. R. Mills, J. E. Giutronich, “Symmetrical and asymmetrical ideal cylindrical radiation transformers and concentrators,” J. Opt. Soc. Am. 69, 325–328 (1979). [CrossRef]
  4. D. R. Mills, “The place of extreme asymmetrical concentrators in solar energy utilization”, Sol. Energy 21, 431–434 (1978). [CrossRef]
  5. W. H. Welford, R. Winston, “The optics of non-imaging concentrators,” in Light and Solar Energy (Academic, New York, 1979), p. 17.
  6. Ref. 5, pp. 134–135.
  7. H. Tabor, “Stationary mirror systems for solar collectors”, Sol. Energy 2, 27–33 (1958). [CrossRef]
  8. D. R. Mills, “New tilting concentrators which are economic at today’s prices,” submitted to Sol. Energy.
  9. D. R. Mills, E. Harting, J. E. Giutronich. “Principles of maximally concentrating two-stage concentrators for solar energy,” in preparation.
  10. Ref. 5, p. 85.

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