Abstract

In developing a high-quality natural light illumination system (NLIS), the primary considerations include how to increase system efficiency and broaden its applications. This paper describes the conception, design, and analysis of a daylight collector that presents the combined advantages of excellent efficiency and a compact size. The collector structure consists of extendable two-channel collecting units, a planar light guide, and a central coupler to improve light collection efficiency and increase surface area. In this study, two types of daylight collectors are proposed for illumination applications with different light patterns. With these collectors, the NLIS can now provide sufficiently powerful light for indoor illumination.

© 2013 Optical Society of America

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  1. A. J. W. Whang, Y. Y. Chen, and B. Y. Wu, “Innovative design of Cassegrain solar concentrator system for indoor illumination utilizing chromatic aberration to filter out ultraviolet and infrared in sunlight,” Sol. Energy 83, 1115–1122 (2009).
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    [CrossRef]
  3. A. J.-W. Whang, Y.-Y. Chen, and Y.-T. Teng, “Designing uniform illumination systems by surface-tailored lens and configurations of LED arrays,” J. Display Technol. 5, 94–103 (2009).
    [CrossRef]
  4. A. J.-W. Whang, P.-C. Li, Y.-Y. Chen, and S.-L. Hsieh, “Guiding light from LED array via tapered light pipe for illumination systems design,” J. Disp. Technol. 5, 104–108 (2009).
    [CrossRef]
  5. S.-C. Yeh, A. J.-W. Whang, H.-C. Hsiao, X.-D. Hu, and Y.-Y. Chen, “Distribution of emerged energy for daylight illuminate on prismatic elements,” J. Sol. Energy Eng. 133, 021007 (2011).
    [CrossRef]
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    [CrossRef]
  7. J. C. Miñano, P. Benítez, J. Liu, J. Infante, J. Chaves, and A. Santamaría, “Novel ideal nonimaging designs by multichanneling the phase-space flow,” Proc. SPIE 7652, 765220 (2010).
    [CrossRef]
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2012 (4)

2011 (1)

S.-C. Yeh, A. J.-W. Whang, H.-C. Hsiao, X.-D. Hu, and Y.-Y. Chen, “Distribution of emerged energy for daylight illuminate on prismatic elements,” J. Sol. Energy Eng. 133, 021007 (2011).
[CrossRef]

2010 (3)

2009 (4)

A. J.-W. Whang, P.-C. Li, Y.-Y. Chen, and S.-L. Hsieh, “Guiding light from LED array via tapered light pipe for illumination systems design,” J. Disp. Technol. 5, 104–108 (2009).
[CrossRef]

A. J. W. Whang, Y. Y. Chen, and B. Y. Wu, “Innovative design of Cassegrain solar concentrator system for indoor illumination utilizing chromatic aberration to filter out ultraviolet and infrared in sunlight,” Sol. Energy 83, 1115–1122 (2009).

A. J.-W. Whang, Y.-Y. Chen, and Y.-T. Teng, “Designing uniform illumination systems by surface-tailored lens and configurations of LED arrays,” J. Display Technol. 5, 94–103 (2009).
[CrossRef]

S. H. Yang, Y. Y. Chen, and A. J. W. Whang, “Using prismatic structure and brightness enhancement film to design cascadable unit of static solar concentrator in natural light guiding system,” Proc. SPIE 7423, 74230J (2009).
[CrossRef]

Baker, K. A.

Benítez, P.

J. C. Miñano, P. Benítez, J. Liu, J. Infante, J. Chaves, and A. Santamaría, “Novel ideal nonimaging designs by multichanneling the phase-space flow,” Proc. SPIE 7652, 765220 (2010).
[CrossRef]

Bouchard, S.

Chaves, J.

J. C. Miñano, P. Benítez, J. Liu, J. Infante, J. Chaves, and A. Santamaría, “Novel ideal nonimaging designs by multichanneling the phase-space flow,” Proc. SPIE 7652, 765220 (2010).
[CrossRef]

Chen, C. A.

Chen, C. N.

Chen, Y. Y.

A. J. W. Whang, Y. Y. Chen, S. H. Yang, P. H. Pan, K. H. Chou, Y. C. Lee, Z. Y. Lee, C. A. Chen, and C. N. Chen, “Natural light illumination system,” Appl. Opt. 49, 6789–6801 (2010).
[CrossRef]

S. H. Yang, Y. Y. Chen, and A. J. W. Whang, “Using prismatic structure and brightness enhancement film to design cascadable unit of static solar concentrator in natural light guiding system,” Proc. SPIE 7423, 74230J (2009).
[CrossRef]

A. J. W. Whang, Y. Y. Chen, and B. Y. Wu, “Innovative design of Cassegrain solar concentrator system for indoor illumination utilizing chromatic aberration to filter out ultraviolet and infrared in sunlight,” Sol. Energy 83, 1115–1122 (2009).

Chen, Y.-Y.

S.-C. Yeh, A. J.-W. Whang, H.-C. Hsiao, X.-D. Hu, and Y.-Y. Chen, “Distribution of emerged energy for daylight illuminate on prismatic elements,” J. Sol. Energy Eng. 133, 021007 (2011).
[CrossRef]

A. J.-W. Whang, Y.-Y. Chen, and Y.-T. Teng, “Designing uniform illumination systems by surface-tailored lens and configurations of LED arrays,” J. Display Technol. 5, 94–103 (2009).
[CrossRef]

A. J.-W. Whang, P.-C. Li, Y.-Y. Chen, and S.-L. Hsieh, “Guiding light from LED array via tapered light pipe for illumination systems design,” J. Disp. Technol. 5, 104–108 (2009).
[CrossRef]

Chou, K. H.

Ford, J. E.

Hallas, J. M.

Hsiao, H.-C.

S.-C. Yeh, A. J.-W. Whang, H.-C. Hsiao, X.-D. Hu, and Y.-Y. Chen, “Distribution of emerged energy for daylight illuminate on prismatic elements,” J. Sol. Energy Eng. 133, 021007 (2011).
[CrossRef]

Hsieh, S.-L.

A. J.-W. Whang, P.-C. Li, Y.-Y. Chen, and S.-L. Hsieh, “Guiding light from LED array via tapered light pipe for illumination systems design,” J. Disp. Technol. 5, 104–108 (2009).
[CrossRef]

Hu, X.-D.

S.-C. Yeh, A. J.-W. Whang, H.-C. Hsiao, X.-D. Hu, and Y.-Y. Chen, “Distribution of emerged energy for daylight illuminate on prismatic elements,” J. Sol. Energy Eng. 133, 021007 (2011).
[CrossRef]

Infante, J.

J. C. Miñano, P. Benítez, J. Liu, J. Infante, J. Chaves, and A. Santamaría, “Novel ideal nonimaging designs by multichanneling the phase-space flow,” Proc. SPIE 7652, 765220 (2010).
[CrossRef]

Karp, J. H.

Lee, Y. C.

Lee, Z. Y.

Li, P.-C.

A. J.-W. Whang, P.-C. Li, Y.-Y. Chen, and S.-L. Hsieh, “Guiding light from LED array via tapered light pipe for illumination systems design,” J. Disp. Technol. 5, 104–108 (2009).
[CrossRef]

Liu, J.

J. C. Miñano, P. Benítez, J. Liu, J. Infante, J. Chaves, and A. Santamaría, “Novel ideal nonimaging designs by multichanneling the phase-space flow,” Proc. SPIE 7652, 765220 (2010).
[CrossRef]

Miñano, J. C.

J. C. Miñano, P. Benítez, J. Liu, J. Infante, J. Chaves, and A. Santamaría, “Novel ideal nonimaging designs by multichanneling the phase-space flow,” Proc. SPIE 7652, 765220 (2010).
[CrossRef]

Pan, P. H.

Santamaría, A.

J. C. Miñano, P. Benítez, J. Liu, J. Infante, J. Chaves, and A. Santamaría, “Novel ideal nonimaging designs by multichanneling the phase-space flow,” Proc. SPIE 7652, 765220 (2010).
[CrossRef]

Selimoglu, O.

Teng, Y.-T.

Thibault, S.

Tremblay, E. J.

Turan, R.

Whang, A. J. W.

A. J. W. Whang, Y. Y. Chen, S. H. Yang, P. H. Pan, K. H. Chou, Y. C. Lee, Z. Y. Lee, C. A. Chen, and C. N. Chen, “Natural light illumination system,” Appl. Opt. 49, 6789–6801 (2010).
[CrossRef]

S. H. Yang, Y. Y. Chen, and A. J. W. Whang, “Using prismatic structure and brightness enhancement film to design cascadable unit of static solar concentrator in natural light guiding system,” Proc. SPIE 7423, 74230J (2009).
[CrossRef]

A. J. W. Whang, Y. Y. Chen, and B. Y. Wu, “Innovative design of Cassegrain solar concentrator system for indoor illumination utilizing chromatic aberration to filter out ultraviolet and infrared in sunlight,” Sol. Energy 83, 1115–1122 (2009).

Whang, A. J.-W.

S.-C. Yeh, A. J.-W. Whang, H.-C. Hsiao, X.-D. Hu, and Y.-Y. Chen, “Distribution of emerged energy for daylight illuminate on prismatic elements,” J. Sol. Energy Eng. 133, 021007 (2011).
[CrossRef]

A. J.-W. Whang, Y.-Y. Chen, and Y.-T. Teng, “Designing uniform illumination systems by surface-tailored lens and configurations of LED arrays,” J. Display Technol. 5, 94–103 (2009).
[CrossRef]

A. J.-W. Whang, P.-C. Li, Y.-Y. Chen, and S.-L. Hsieh, “Guiding light from LED array via tapered light pipe for illumination systems design,” J. Disp. Technol. 5, 104–108 (2009).
[CrossRef]

Wu, B. Y.

A. J. W. Whang, Y. Y. Chen, and B. Y. Wu, “Innovative design of Cassegrain solar concentrator system for indoor illumination utilizing chromatic aberration to filter out ultraviolet and infrared in sunlight,” Sol. Energy 83, 1115–1122 (2009).

Yang, S. H.

A. J. W. Whang, Y. Y. Chen, S. H. Yang, P. H. Pan, K. H. Chou, Y. C. Lee, Z. Y. Lee, C. A. Chen, and C. N. Chen, “Natural light illumination system,” Appl. Opt. 49, 6789–6801 (2010).
[CrossRef]

S. H. Yang, Y. Y. Chen, and A. J. W. Whang, “Using prismatic structure and brightness enhancement film to design cascadable unit of static solar concentrator in natural light guiding system,” Proc. SPIE 7423, 74230J (2009).
[CrossRef]

Yeh, S.-C.

S.-C. Yeh, A. J.-W. Whang, H.-C. Hsiao, X.-D. Hu, and Y.-Y. Chen, “Distribution of emerged energy for daylight illuminate on prismatic elements,” J. Sol. Energy Eng. 133, 021007 (2011).
[CrossRef]

Appl. Opt. (4)

J. Disp. Technol. (1)

A. J.-W. Whang, P.-C. Li, Y.-Y. Chen, and S.-L. Hsieh, “Guiding light from LED array via tapered light pipe for illumination systems design,” J. Disp. Technol. 5, 104–108 (2009).
[CrossRef]

J. Display Technol. (1)

J. Sol. Energy Eng. (1)

S.-C. Yeh, A. J.-W. Whang, H.-C. Hsiao, X.-D. Hu, and Y.-Y. Chen, “Distribution of emerged energy for daylight illuminate on prismatic elements,” J. Sol. Energy Eng. 133, 021007 (2011).
[CrossRef]

Opt. Express (2)

Proc. SPIE (2)

S. H. Yang, Y. Y. Chen, and A. J. W. Whang, “Using prismatic structure and brightness enhancement film to design cascadable unit of static solar concentrator in natural light guiding system,” Proc. SPIE 7423, 74230J (2009).
[CrossRef]

J. C. Miñano, P. Benítez, J. Liu, J. Infante, J. Chaves, and A. Santamaría, “Novel ideal nonimaging designs by multichanneling the phase-space flow,” Proc. SPIE 7652, 765220 (2010).
[CrossRef]

Sol. Energy (1)

A. J. W. Whang, Y. Y. Chen, and B. Y. Wu, “Innovative design of Cassegrain solar concentrator system for indoor illumination utilizing chromatic aberration to filter out ultraviolet and infrared in sunlight,” Sol. Energy 83, 1115–1122 (2009).

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Figures (18)

Fig. 1.
Fig. 1.

Optical Brick collecting module.

Fig. 2.
Fig. 2.

Illustration of the NLIS.

Fig. 3.
Fig. 3.

Schematic of the newly revised NLIS.

Fig. 4.
Fig. 4.

Two-dimensional profiles of the static collecting structure.

Fig. 5.
Fig. 5.

Illustration of (a) the circular and (b) the square collecting module.

Fig. 6.
Fig. 6.

Illustration of (a) the collimated light source produced by the exit surface of the circular collecting module and (b) the line light source produced by the exit surface of the square collecting module.

Fig. 7.
Fig. 7.

Illustration of the collecting unit.

Fig. 8.
Fig. 8.

Illustration of the optical structure formed of the two collecting units.

Fig. 9.
Fig. 9.

Illustration of the RI-to-IR light guide.

Fig. 10.
Fig. 10.

Illustration of the coupler connected with the light guide.

Fig. 11.
Fig. 11.

Illustration of the coupler connected with the central unit.

Fig. 12.
Fig. 12.

Simulated collection efficiency for different stacked amounts.

Fig. 13.
Fig. 13.

Collecting area for different stacked amounts.

Fig. 14.
Fig. 14.

Total gathered light flux with different numbers of stacks.

Fig. 15.
Fig. 15.

Simulated efficiency for different incidence angles.

Fig. 16.
Fig. 16.

Rectangular candela distribution on the circular collecting module.

Fig. 17.
Fig. 17.

Transmission efficiency for different transmission distances in the plastic optical fiber.

Fig. 18.
Fig. 18.

Irradiance distribution on the exit surface of the square collecting module.

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